Merge #3053

3053: Upgrade alpine 3.14 to 3.16 r=Kerollmops a=curquiza Otherwise CI is failing https://github.com/meilisearch/meilisearch/actions/runs/3470576605/jobs/5799173168 Co-authored-by: curquiza <clementine@meilisearch.com>
Upgrade alpine 3.14 to 3.16
2025-07-20 13:30:38 +00:00 · 2022-11-15 13:56:45 +00:00 · 2022-11-15 14:54:18 +01:00 · 2022-11-15 11:08:47 +00:00 · 2022-11-15 12:07:00 +01:00 · 2022-11-14 17:39:10 +01:00
63 changed files with 2472 additions and 1066 deletions
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@ -4,6 +4,10 @@ First, thank you for contributing to Meilisearch! The goal of this document is t
 Remember that there are many ways to contribute other than writing code: writing [tutorials or blog posts](https://github.com/meilisearch/awesome-meilisearch), improving [the documentation](https://github.com/meilisearch/documentation), submitting [bug reports](https://github.com/meilisearch/meilisearch/issues/new?assignees=&labels=&template=bug_report.md&title=) and [feature requests](https://github.com/meilisearch/product/discussions/categories/feedback-feature-proposal)...
 The code in this repository is only concerned with managing multiple indexes, handling the update store, and exposing an HTTP API. Search and indexation are the domain of our core engine, [`milli`](https://github.com/meilisearch/milli), while tokenization is handled by [our `charabia` library](https://github.com/meilisearch/charabia/).
 If Meilisearch does not offer optimized support for your language, please consider contributing to `charabia` by following the [CONTRIBUTING.md file](https://github.com/meilisearch/charabia/blob/main/CONTRIBUTING.md) and integrating your intended normalizer/segmenter.
 ## Table of Contents
 - [Assumptions](#assumptions)
--- a/Cargo.lock
+++ b/Cargo.lock
--- a/Cargo.toml
+++ b/Cargo.toml
@ -8,6 +8,9 @@ members = [
    "permissive-json-pointer",
 ]
 [profile.release]
 codegen-units = 1
 [profile.dev.package.flate2]
 opt-level = 3
--- a/4
+++ b/4
@ -1,5 +1,5 @@
 # Compile
-FROM    rust:alpine3.14 AS compiler
+FROM    rust:alpine3.16 AS compiler
 RUN     apk add -q --update-cache --no-cache build-base openssl-dev
@ -19,7 +19,7 @@ RUN     set -eux; \
        cargo build --release
 # Run
-FROM    alpine:3.14
+FROM    alpine:3.16
 ENV     MEILI_HTTP_ADDR 0.0.0.0:7700
 ENV     MEILI_SERVER_PROVIDER docker
--- a/README.md
+++ b/README.md
@ -1,205 +1,103 @@
 <p align="center">
-  <img src="assets/logo.svg" alt="Meilisearch" width="200" height="200" />
+  <img src="assets/meilisearch-logo-light.svg?sanitize=true#gh-light-mode-only">
  <img src="assets/meilisearch-logo-dark.svg?sanitize=true#gh-dark-mode-only">
 </p>
 <h1 align="center">Meilisearch</h1>
 <h4 align="center">
  <a href="https://www.meilisearch.com">Website</a> |
  <a href="https://roadmap.meilisearch.com/tabs/1-under-consideration">Roadmap</a> |
  <a href="https://blog.meilisearch.com">Blog</a> |
  <a href="https://fr.linkedin.com/company/meilisearch">LinkedIn</a> |
  <a href="https://twitter.com/meilisearch">Twitter</a> |
  <a href="https://docs.meilisearch.com">Documentation</a> |
-  <a href="https://docs.meilisearch.com/faq/">FAQ</a>
+  <a href="https://docs.meilisearch.com/faq/">FAQ</a> |
  <a href="https://slack.meilisearch.com">Slack</a>
 </h4>
 <p align="center">
  <a href="https://github.com/meilisearch/meilisearch/actions"><img src="https://github.com/meilisearch/meilisearch/workflows/Cargo%20test/badge.svg" alt="Build Status"></a>
  <a href="https://deps.rs/repo/github/meilisearch/meilisearch"><img src="https://deps.rs/repo/github/meilisearch/meilisearch/status.svg" alt="Dependency status"></a>
  <a href="https://github.com/meilisearch/meilisearch/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-MIT-informational" alt="License"></a>
  <a href="https://slack.meilisearch.com"><img src="https://img.shields.io/badge/slack-meilisearch-blue.svg?logo=slack" alt="Slack"></a>
  <a href="https://github.com/meilisearch/meilisearch/discussions" alt="Discussions"><img src="https://img.shields.io/badge/github-discussions-red" /></a>
  <a href="https://app.bors.tech/repositories/26457"><img src="https://bors.tech/images/badge_small.svg" alt="Bors enabled"></a>
 </p>
-<p align="center">⚡ Lightning Fast, Ultra Relevant, and Typo-Tolerant Search Engine 🔍</p>
+<p align="center">⚡ A lightning-fast search engine that fits effortlessly into your apps, websites, and workflow 🔍</p>
-**Meilisearch** is a powerful, fast, open-source, easy to use and deploy search engine. Both searching and indexing are highly customizable. Features such as typo-tolerance, filters, and synonyms are provided out-of-the-box.
+Meilisearch helps you shape a delightful search experience in a snap, offering features that work out-of-the-box to speed up your workflow.
 For more information about features go to [our documentation](https://docs.meilisearch.com/).
-<p align="center">
+<p align="center" name="demo">
-  <img src="assets/trumen-fast.gif" alt="Web interface gif" />
+  <a href="https://where2watch.meilisearch.com/#gh-light-mode-only" target="_blank">
    <img src="assets/demo-light.gif#gh-light-mode-only" alt="A bright colored application for finding movies screening near the user">
  </a>
  <a href="https://where2watch.meilisearch.com/#gh-dark-mode-only" target="_blank">
    <img src="assets/demo-dark.gif#gh-dark-mode-only" alt="A dark colored application for finding movies screening near the user">
  </a>
 </p>
 🔥 [**Try it!**](https://where2watch.meilisearch.com/) 🔥
 ## ✨ Features
 * Search-as-you-type experience (answers < 50 milliseconds)
 * Full-text search
 * Typo tolerant (understands typos and misspelling)
 * Faceted search and filters
 * Supports hanzi (Chinese characters)
 * Supports synonyms
 * Easy to install, deploy, and maintain
 * Whole documents are returned
 * Highly customizable
 * RESTful API
-## Getting started
+- **Search-as-you-type:** find search results in less than 50 milliseconds
 - **[Typo tolerance](https://docs.meilisearch.com/learn/getting_started/customizing_relevancy.html#typo-tolerance):** get relevant matches even when queries contain typos and misspellings
 - **[Filtering and faceted search](https://docs.meilisearch.com/learn/advanced/filtering_and_faceted_search.html):** enhance your user's search experience with custom filters and build a faceted search interface in a few lines of code
 - **[Sorting](https://docs.meilisearch.com/learn/advanced/sorting.html):** sort results based on price, date, or pretty much anything else your users need
 - **[Synonym support](https://docs.meilisearch.com/learn/getting_started/customizing_relevancy.html#synonyms):** configure synonyms to include more relevant content in your search results
 - **[Geosearch](https://docs.meilisearch.com/learn/advanced/geosearch.html):** filter and sort documents based on geographic data
 - **[Extensive language support](https://docs.meilisearch.com/learn/what_is_meilisearch/language.html):** search datasets in any language, with optimized support for Chinese, Japanese, Hebrew, and languages using the Latin alphabet
 - **[Security management](https://docs.meilisearch.com/learn/security/master_api_keys.html):** control which users can access what data with API keys that allow fine-grained permissions handling
 - **[Multi-Tenancy](https://docs.meilisearch.com/learn/security/tenant_tokens.html):** personalize search results for any number of application tenants
 - **Highly Customizable:** customize Meilisearch to your specific needs or use our out-of-the-box and hassle-free presets
 - **[RESTful API](https://docs.meilisearch.com/reference/api/overview.html):** integrate Meilisearch in your technical stack with our plugins and SDKs
 - **Easy to install, deploy, and maintain**
-### Deploy the Server
+## 📖 Documentation
-#### Homebrew (Mac OS)
+You can consult Meilisearch's documentation at [https://docs.meilisearch.com](https://docs.meilisearch.com/).
-```bash
+## 🚀 Getting started
 brew update && brew install meilisearch
 meilisearch
 ```
-#### Docker
+For basic instructions on how to set up Meilisearch, add documents to an index, and search for documents, take a look at our [Quick Start](https://docs.meilisearch.com/learn/getting_started/quick_start.html) guide.
-```bash
+You may also want to check out [Meilisearch 101](https://docs.meilisearch.com/learn/getting_started/filtering_and_sorting.html) for an introduction to some of Meilisearch's most popular features.
 docker run -p 7700:7700 -v "$(pwd)/meili_data:/meili_data" getmeili/meilisearch
 ```
-#### Announcing a cloud-hosted Meilisearch
+## ☁️ Meilisearch cloud
-Join the closed beta by filling out this [form](https://meilisearch.typeform.com/to/VI2cI2rv).
+Join the closed beta for Meilisearch cloud by filling out [this form](https://meilisearch.typeform.com/to/VI2cI2rv).
-#### Try Meilisearch in our Sandbox
+## 🧰 SDKs & integration tools
-Create a Meilisearch instance in [Meilisearch Sandbox](https://sandbox.meilisearch.com/). This instance is free, and will be active for 48 hours.
+Install one of our SDKs in your project for seamless integration between Meilisearch and your favorite language or framework!
-#### Run on Digital Ocean
+Take a look at the complete [Meilisearch integration list](https://docs.meilisearch.com/learn/what_is_meilisearch/sdks.html).
-[![DigitalOcean Marketplace](assets/do-btn-blue.svg)](https://marketplace.digitalocean.com/apps/meilisearch?action=deploy&refcode=7c67bd97e101)
+![Logos belonging to different languages and frameworks supported by Meilisearch, including React, Ruby on Rails, Go, Rust, and PHP](assets/integrations.png)
-#### Deploy on Platform.sh
+## ⚙️ Advanced usage
-<a href="https://console.platform.sh/projects/create-project?template=https://raw.githubusercontent.com/platformsh/template-builder/master/templates/meilisearch/.platform.template.yaml&utm_content=meilisearch&utm_source=github&utm_medium=button&utm_campaign=deploy_on_platform">
+Experienced users will want to keep our [API Reference](https://docs.meilisearch.com/reference/api) close at hand.
    <img src="https://platform.sh/images/deploy/lg-blue.svg" alt="Deploy on Platform.sh" width="180px" />
 </a>
-#### APT (Debian & Ubuntu)
+We also offer a wide range of dedicated guides to all Meilisearch features, such as [filtering](https://docs.meilisearch.com/learn/advanced/filtering_and_faceted_search.html), [sorting](https://docs.meilisearch.com/learn/advanced/sorting.html), [geosearch](https://docs.meilisearch.com/learn/advanced/geosearch.html), [API keys](https://docs.meilisearch.com/learn/security/master_api_keys.html), and [tenant tokens](https://docs.meilisearch.com/learn/security/tenant_tokens.html).
-```bash
+Finally, for more in-depth information, refer to our articles explaining fundamental Meilisearch concepts such as [documents](https://docs.meilisearch.com/learn/core_concepts/documents.html) and [indexes](https://docs.meilisearch.com/learn/core_concepts/indexes.html).
 echo "deb [trusted=yes] https://apt.fury.io/meilisearch/ /" > /etc/apt/sources.list.d/fury.list
 apt update && apt install meilisearch-http
 meilisearch
 ```
-#### Download the binary (Linux & Mac OS)
+## 📊 Telemetry
-```bash
+Meilisearch collects **anonymized** data from users to help us improve our product. You can [deactivate this](https://docs.meilisearch.com/learn/what_is_meilisearch/telemetry.html#how-to-disable-data-collection) whenever you want.
 curl -L https://install.meilisearch.com | sh
 ./meilisearch
 ```
-#### Compile and run it from sources
+To request deletion of collected data, please write to us at [privacy@meilisearch.com](mailto:privacy@meilisearch.com). Don't forget to include your `Instance UID` in the message, as this helps us quickly find and delete your data.
-If you have the latest stable Rust toolchain installed on your local system, clone the repository and change it to your working directory.
+If you want to know more about the kind of data we collect and what we use it for, check the [telemetry section](https://docs.meilisearch.com/learn/what_is_meilisearch/telemetry.html) of our documentation.
-```bash
+## 📫 Get in touch!
 git clone https://github.com/meilisearch/meilisearch.git
 cd meilisearch
 cargo run --release
 ```
-### Create an Index and Upload Some Documents
+Meilisearch is a search engine created by [Meili](https://www.welcometothejungle.com/en/companies/meilisearch), a software development company based in France and with team members all over the world. Want to know more about us? [Check out our blog!](https://blog.meilisearch.com/)
-Let's create an index! If you need a sample dataset, use [this movie database](https://www.notion.so/meilisearch/A-movies-dataset-to-test-Meili-1cbf7c9cfa4247249c40edfa22d7ca87#b5ae399b81834705ba5420ac70358a65). You can also find it in the `datasets/` directory.
+🗞 [Subscribe to our newsletter](https://meilisearch.us2.list-manage.com/subscribe?u=27870f7b71c908a8b359599fb&id=79582d828e) if you don't want to miss any updates! We promise we won't clutter your mailbox: we only send one edition every two months.
-```bash
+💌 Want to make a suggestion or give feedback? Here are some of the channels where you can reach us:
 curl -L https://docs.meilisearch.com/movies.json -o movies.json
 ```
-Now, you're ready to index some data.
+- For feature requests, please visit our [product repository](https://github.com/meilisearch/product/discussions)
 - Found a bug? Open an [issue](https://github.com/meilisearch/meilisearch/issues)!
 - Want to be part of our Slack community? [Join us!](https://slack.meilisearch.com/)
 - For everything else, please check [this page listing some of the other places where you can find us](https://docs.meilisearch.com/learn/what_is_meilisearch/contact.html)
-```bash
+Thank you for your support!
 curl -i -X POST 'http://127.0.0.1:7700/indexes/movies/documents' \
  --header 'content-type: application/json' \
  --data-binary @movies.json
 ```
 ### Search for Documents
 #### In command line
 The search engine is now aware of your documents and can serve those via an HTTP server.
 The [`jq` command-line tool](https://stedolan.github.io/jq/) can greatly help you read the server responses.
 ```bash
 curl 'http://127.0.0.1:7700/indexes/movies/search?q=botman+robin&limit=2' | jq
 ```
 ```json
 {
  "hits": [
    {
      "id": "415",
      "title": "Batman & Robin",
      "poster": "https://image.tmdb.org/t/p/w1280/79AYCcxw3kSKbhGpx1LiqaCAbwo.jpg",
      "overview": "Along with crime-fighting partner Robin and new recruit Batgirl, Batman battles the dual threat of frosty genius Mr. Freeze and homicidal horticulturalist Poison Ivy. Freeze plans to put Gotham City on ice, while Ivy tries to drive a wedge between the dynamic duo.",
      "release_date": 866768400
    },
    {
      "id": "411736",
      "title": "Batman: Return of the Caped Crusaders",
      "poster": "https://image.tmdb.org/t/p/w1280/GW3IyMW5Xgl0cgCN8wu96IlNpD.jpg",
      "overview": "Adam West and Burt Ward returns to their iconic roles of Batman and Robin. Featuring the voices of Adam West, Burt Ward, and Julie Newmar, the film sees the superheroes going up against classic villains like The Joker, The Riddler, The Penguin and Catwoman, both in Gotham City… and in space.",
      "release_date": 1475888400
    }
  ],
  "nbHits": 8,
  "exhaustiveNbHits": false,
  "query": "botman robin",
  "limit": 2,
  "offset": 0,
  "processingTimeMs": 2
 }
 ```
 #### Use the Web Interface
 We also deliver an **out-of-the-box [web interface](https://github.com/meilisearch/mini-dashboard)** in which you can test Meilisearch interactively.
 You can access the web interface in your web browser at the root of the server. The default URL is [http://127.0.0.1:7700](http://127.0.0.1:7700). All you need to do is open your web browser and enter Meilisearch’s address to visit it. This will lead you to a web page with a search bar that will allow you to search in the selected index.
 | [See the gif above](#demo)
 ## Documentation
 Now that your Meilisearch server is up and running, you can learn more about how to tune your search engine in [the documentation](https://docs.meilisearch.com).
 ## Contributing
 Hey! We're glad you're thinking about contributing to Meilisearch! Feel free to pick an [issue labeled as `good first issue`](https://github.com/meilisearch/meilisearch/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22), and to ask any question you need. Some points might not be clear and we are available to help you!
 Also, we recommend following the [CONTRIBUTING](./CONTRIBUTING.md) to create your PR.
 ## Core engine and tokenizer
 The code in this repository is only concerned with managing multiple indexes, handling the update store, and exposing an HTTP API.
 Search and indexation are the domain of our core engine, [`milli`](https://github.com/meilisearch/milli), while tokenization is handled by [our `tokenizer` library](https://github.com/meilisearch/tokenizer/).
 ## Telemetry
 Meilisearch collects anonymous data regarding general usage.
 This helps us better understand developers' usage of Meilisearch features.
 To find out more on what information we're retrieving, please see our documentation on [Telemetry](https://docs.meilisearch.com/learn/what_is_meilisearch/telemetry.html).
 This program is optional, you can disable these analytics by using the `MEILI_NO_ANALYTICS` env variable.
 ## Feature request
 The feature requests are not managed in this repository. Please visit our [dedicated repository](https://github.com/meilisearch/product) to see our work about the Meilisearch product.
 If you have a feature request or any feedback about an existing feature, please open [a discussion](https://github.com/meilisearch/product/discussions).
 Also, feel free to participate in the current discussions, we are looking forward to reading your comments.
 ## 💌 Contact
 Please visit [this page](https://docs.meilisearch.com/learn/what_is_meilisearch/contact.html#contact-us).
 Meilisearch is developed by [Meili](https://www.meilisearch.com), a young company. To know more about us, you can [read our blog](https://blog.meilisearch.com). Any suggestion or feedback is highly appreciated. Thank you for your support!
--- a/assets/demo-dark.gif
+++ b/assets/demo-dark.gif
--- a/assets/demo-light.gif
+++ b/assets/demo-light.gif
--- a/assets/integrations.png
+++ b/assets/integrations.png
--- a/assets/meilisearch-logo-dark.svg
+++ b/assets/meilisearch-logo-dark.svg
@ -0,0 +1,30 @@
 <svg width="495" height="74" viewBox="0 0 495 74" fill="none" xmlns="http://www.w3.org/2000/svg">
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 </linearGradient>
 </defs>
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--- a/assets/meilisearch-logo-light.svg
+++ b/assets/meilisearch-logo-light.svg
@ -0,0 +1,30 @@
 <svg width="495" height="74" viewBox="0 0 495 74" fill="none" xmlns="http://www.w3.org/2000/svg">
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 </linearGradient>
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 </svg>
--- a/grafana-dashboards/dashboard.json
+++ b/grafana-dashboards/dashboard.json
--- a/meilisearch-auth/Cargo.toml
+++ b/meilisearch-auth/Cargo.toml
@ -1,16 +1,16 @@
 [package]
 name = "meilisearch-auth"
-version = "0.28.1"
+version = "0.29.2"
 edition = "2021"
 [dependencies]
 enum-iterator = "0.7.0"
 hmac = "0.12.1"
 meilisearch-types = { path = "../meilisearch-types" }
-milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.31.2" }
+milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.33.5" }
 rand = "0.8.4"
 serde = { version = "1.0.136", features = ["derive"] }
-serde_json = { version = "1.0.79", features = ["preserve_order"] }
+serde_json = { version = "1.0.85", features = ["preserve_order"] }
 sha2 = "0.10.2"
 thiserror = "1.0.30"
 time = { version = "0.3.7", features = ["serde-well-known", "formatting", "parsing", "macros"] }
--- a/meilisearch-auth/src/action.rs
+++ b/meilisearch-auth/src/action.rs
@ -6,59 +6,63 @@ use std::hash::Hash;
 #[repr(u8)]
 pub enum Action {
    #[serde(rename = "*")]
-    All = actions::ALL,
+    All = 0,
    #[serde(rename = "search")]
-    Search = actions::SEARCH,
+    Search,
    #[serde(rename = "documents.*")]
-    DocumentsAll = actions::DOCUMENTS_ALL,
+    DocumentsAll,
    #[serde(rename = "documents.add")]
-    DocumentsAdd = actions::DOCUMENTS_ADD,
+    DocumentsAdd,
    #[serde(rename = "documents.get")]
-    DocumentsGet = actions::DOCUMENTS_GET,
+    DocumentsGet,
    #[serde(rename = "documents.delete")]
-    DocumentsDelete = actions::DOCUMENTS_DELETE,
+    DocumentsDelete,
    #[serde(rename = "indexes.*")]
-    IndexesAll = actions::INDEXES_ALL,
+    IndexesAll,
    #[serde(rename = "indexes.create")]
-    IndexesAdd = actions::INDEXES_CREATE,
+    IndexesAdd,
    #[serde(rename = "indexes.get")]
-    IndexesGet = actions::INDEXES_GET,
+    IndexesGet,
    #[serde(rename = "indexes.update")]
-    IndexesUpdate = actions::INDEXES_UPDATE,
+    IndexesUpdate,
    #[serde(rename = "indexes.delete")]
-    IndexesDelete = actions::INDEXES_DELETE,
+    IndexesDelete,
    #[serde(rename = "tasks.*")]
-    TasksAll = actions::TASKS_ALL,
+    TasksAll,
    #[serde(rename = "tasks.get")]
-    TasksGet = actions::TASKS_GET,
+    TasksGet,
    #[serde(rename = "settings.*")]
-    SettingsAll = actions::SETTINGS_ALL,
+    SettingsAll,
    #[serde(rename = "settings.get")]
-    SettingsGet = actions::SETTINGS_GET,
+    SettingsGet,
    #[serde(rename = "settings.update")]
-    SettingsUpdate = actions::SETTINGS_UPDATE,
+    SettingsUpdate,
    #[serde(rename = "stats.*")]
-    StatsAll = actions::STATS_ALL,
+    StatsAll,
    #[serde(rename = "stats.get")]
-    StatsGet = actions::STATS_GET,
+    StatsGet,
    #[serde(rename = "metrics.*")]
    MetricsAll,
    #[serde(rename = "metrics.get")]
    MetricsGet,
    #[serde(rename = "dumps.*")]
-    DumpsAll = actions::DUMPS_ALL,
+    DumpsAll,
    #[serde(rename = "dumps.create")]
-    DumpsCreate = actions::DUMPS_CREATE,
+    DumpsCreate,
    #[serde(rename = "version")]
-    Version = actions::VERSION,
+    Version,
    #[serde(rename = "keys.create")]
-    KeysAdd = actions::KEYS_CREATE,
+    KeysAdd,
    #[serde(rename = "keys.get")]
-    KeysGet = actions::KEYS_GET,
+    KeysGet,
    #[serde(rename = "keys.update")]
-    KeysUpdate = actions::KEYS_UPDATE,
+    KeysUpdate,
    #[serde(rename = "keys.delete")]
-    KeysDelete = actions::KEYS_DELETE,
+    KeysDelete,
 }
 impl Action {
-    pub fn from_repr(repr: u8) -> Option<Self> {
+    pub const fn from_repr(repr: u8) -> Option<Self> {
        use actions::*;
        match repr {
            ALL => Some(Self::All),
@ -79,6 +83,8 @@ impl Action {
            SETTINGS_UPDATE => Some(Self::SettingsUpdate),
            STATS_ALL => Some(Self::StatsAll),
            STATS_GET => Some(Self::StatsGet),
            METRICS_ALL => Some(Self::MetricsAll),
            METRICS_GET => Some(Self::MetricsGet),
            DUMPS_ALL => Some(Self::DumpsAll),
            DUMPS_CREATE => Some(Self::DumpsCreate),
            VERSION => Some(Self::Version),
@ -90,62 +96,39 @@ impl Action {
        }
    }
-    pub fn repr(&self) -> u8 {
+    pub const fn repr(&self) -> u8 {
-        use actions::*;
+        *self as u8
        match self {
            Self::All => ALL,
            Self::Search => SEARCH,
            Self::DocumentsAll => DOCUMENTS_ALL,
            Self::DocumentsAdd => DOCUMENTS_ADD,
            Self::DocumentsGet => DOCUMENTS_GET,
            Self::DocumentsDelete => DOCUMENTS_DELETE,
            Self::IndexesAll => INDEXES_ALL,
            Self::IndexesAdd => INDEXES_CREATE,
            Self::IndexesGet => INDEXES_GET,
            Self::IndexesUpdate => INDEXES_UPDATE,
            Self::IndexesDelete => INDEXES_DELETE,
            Self::TasksAll => TASKS_ALL,
            Self::TasksGet => TASKS_GET,
            Self::SettingsAll => SETTINGS_ALL,
            Self::SettingsGet => SETTINGS_GET,
            Self::SettingsUpdate => SETTINGS_UPDATE,
            Self::StatsAll => STATS_ALL,
            Self::StatsGet => STATS_GET,
            Self::DumpsAll => DUMPS_ALL,
            Self::DumpsCreate => DUMPS_CREATE,
            Self::Version => VERSION,
            Self::KeysAdd => KEYS_CREATE,
            Self::KeysGet => KEYS_GET,
            Self::KeysUpdate => KEYS_UPDATE,
            Self::KeysDelete => KEYS_DELETE,
        }
    }
 }
 pub mod actions {
-    pub(crate) const ALL: u8 = 0;
+    use super::Action::*;
-    pub const SEARCH: u8 = 1;
+
-    pub const DOCUMENTS_ALL: u8 = 2;
+    pub(crate) const ALL: u8 = All.repr();
-    pub const DOCUMENTS_ADD: u8 = 3;
+    pub const SEARCH: u8 = Search.repr();
-    pub const DOCUMENTS_GET: u8 = 4;
+    pub const DOCUMENTS_ALL: u8 = DocumentsAll.repr();
-    pub const DOCUMENTS_DELETE: u8 = 5;
+    pub const DOCUMENTS_ADD: u8 = DocumentsAdd.repr();
-    pub const INDEXES_ALL: u8 = 6;
+    pub const DOCUMENTS_GET: u8 = DocumentsGet.repr();
-    pub const INDEXES_CREATE: u8 = 7;
+    pub const DOCUMENTS_DELETE: u8 = DocumentsDelete.repr();
-    pub const INDEXES_GET: u8 = 8;
+    pub const INDEXES_ALL: u8 = IndexesAll.repr();
-    pub const INDEXES_UPDATE: u8 = 9;
+    pub const INDEXES_CREATE: u8 = IndexesAdd.repr();
-    pub const INDEXES_DELETE: u8 = 10;
+    pub const INDEXES_GET: u8 = IndexesGet.repr();
-    pub const TASKS_ALL: u8 = 11;
+    pub const INDEXES_UPDATE: u8 = IndexesUpdate.repr();
-    pub const TASKS_GET: u8 = 12;
+    pub const INDEXES_DELETE: u8 = IndexesDelete.repr();
-    pub const SETTINGS_ALL: u8 = 13;
+    pub const TASKS_ALL: u8 = TasksAll.repr();
-    pub const SETTINGS_GET: u8 = 14;
+    pub const TASKS_GET: u8 = TasksGet.repr();
-    pub const SETTINGS_UPDATE: u8 = 15;
+    pub const SETTINGS_ALL: u8 = SettingsAll.repr();
-    pub const STATS_ALL: u8 = 16;
+    pub const SETTINGS_GET: u8 = SettingsGet.repr();
-    pub const STATS_GET: u8 = 17;
+    pub const SETTINGS_UPDATE: u8 = SettingsUpdate.repr();
-    pub const DUMPS_ALL: u8 = 18;
+    pub const STATS_ALL: u8 = StatsAll.repr();
-    pub const DUMPS_CREATE: u8 = 19;
+    pub const STATS_GET: u8 = StatsGet.repr();
-    pub const VERSION: u8 = 20;
+    pub const METRICS_ALL: u8 = MetricsAll.repr();
-    pub const KEYS_CREATE: u8 = 21;
+    pub const METRICS_GET: u8 = MetricsGet.repr();
-    pub const KEYS_GET: u8 = 22;
+    pub const DUMPS_ALL: u8 = DumpsAll.repr();
-    pub const KEYS_UPDATE: u8 = 23;
+    pub const DUMPS_CREATE: u8 = DumpsCreate.repr();
-    pub const KEYS_DELETE: u8 = 24;
+    pub const VERSION: u8 = Version.repr();
    pub const KEYS_CREATE: u8 = KeysAdd.repr();
    pub const KEYS_GET: u8 = KeysGet.repr();
    pub const KEYS_UPDATE: u8 = KeysUpdate.repr();
    pub const KEYS_DELETE: u8 = KeysDelete.repr();
 }
--- a/meilisearch-auth/src/lib.rs
+++ b/meilisearch-auth/src/lib.rs
@ -110,10 +110,7 @@ impl AuthController {
            filters.search_rules = search_rules;
        }
-        filters.allow_index_creation = key
+        filters.allow_index_creation = self.is_key_authorized(uid, Action::IndexesAdd, None)?;
            .actions
            .iter()
            .any(|&action| action == Action::IndexesAdd || action == Action::All);
        Ok(filters)
    }
--- a/meilisearch-auth/src/store.rs
+++ b/meilisearch-auth/src/store.rs
@ -126,6 +126,9 @@ impl HeedAuthStore {
                Action::StatsAll => {
                    actions.insert(Action::StatsGet);
                }
                Action::MetricsAll => {
                    actions.insert(Action::MetricsGet);
                }
                other => {
                    actions.insert(*other);
                }
--- a/meilisearch-http/Cargo.toml
+++ b/meilisearch-http/Cargo.toml
@ -4,14 +4,14 @@ description = "Meilisearch HTTP server"
 edition = "2021"
 license = "MIT"
 name = "meilisearch-http"
-version = "0.28.1"
+version = "0.29.2"
 [[bin]]
 name = "meilisearch"
 path = "src/main.rs"
 [build-dependencies]
-anyhow = { version = "1.0.56", optional = true }
+anyhow = { version = "1.0.62", optional = true }
 cargo_toml = { version = "0.11.4", optional = true }
 hex = { version = "0.4.3", optional = true }
 reqwest = { version = "0.11.9", features = ["blocking", "rustls-tls"], default-features = false, optional = true }
@ -25,7 +25,7 @@ zip = { version = "0.5.13", optional = true }
 actix-cors = "0.6.1"
 actix-web = { version = "4.0.1", default-features = false, features = ["macros", "compress-brotli", "compress-gzip", "cookies", "rustls"] }
 actix-web-static-files = { git = "https://github.com/kilork/actix-web-static-files.git", rev = "2d3b6160", optional = true }
-anyhow = { version = "1.0.56", features = ["backtrace"] }
+anyhow = { version = "1.0.62", features = ["backtrace"] }
 async-stream = "0.3.3"
 async-trait = "0.1.52"
 bstr = "0.2.17"
@ -47,6 +47,7 @@ log = "0.4.14"
 meilisearch-auth = { path = "../meilisearch-auth" }
 meilisearch-types = { path = "../meilisearch-types" }
 meilisearch-lib = { path = "../meilisearch-lib" }
 mimalloc = { version = "0.1.29", default-features = false }
 mime = "0.3.16"
 num_cpus = "1.13.1"
 obkv = "0.2.0"
@ -63,7 +64,7 @@ rustls-pemfile = "0.3.0"
 segment = { version = "0.2.0", optional = true }
 serde = { version = "1.0.136", features = ["derive"] }
 serde-cs = "0.2.3"
-serde_json = { version = "1.0.79", features = ["preserve_order"] }
+serde_json = { version = "1.0.85", features = ["preserve_order"] }
 sha2 = "0.10.2"
 siphasher = "0.3.10"
 slice-group-by = "0.3.0"
@ -77,6 +78,8 @@ tokio = { version = "1.17.0", features = ["full"] }
 tokio-stream = "0.1.8"
 uuid = { version = "1.1.2", features = ["serde", "v4"] }
 walkdir = "2.3.2"
 prometheus = { version = "0.13.0", features = ["process"], optional = true }
 lazy_static = "1.4.0"
 [dev-dependencies]
 actix-rt = "2.7.0"
@ -88,6 +91,7 @@ yaup = "0.2.0"
 [features]
 default = ["analytics", "mini-dashboard"]
 metrics = ["prometheus"]
 analytics = ["segment"]
 mini-dashboard = [
    "actix-web-static-files",
@ -101,9 +105,6 @@ mini-dashboard = [
    "zip",
 ]
 [target.'cfg(target_os = "linux")'.dependencies]
 tikv-jemallocator = "0.4.3"
 [package.metadata.mini-dashboard]
-assets-url = "https://github.com/meilisearch/mini-dashboard/releases/download/v0.2.1/build.zip"
+assets-url = "https://github.com/meilisearch/mini-dashboard/releases/download/v0.2.2/build.zip"
-sha1 = "05a02ff13c3982091884a3f81d28bf53e72607b2"
+sha1 = "c69feffc6b590e38a46981a85c47f48905d4082a"
--- a/meilisearch-http/src/analytics/segment_analytics.rs
+++ b/meilisearch-http/src/analytics/segment_analytics.rs
@ -366,6 +366,9 @@ pub struct SearchAggregator {
    // The maximum number of terms in a q request
    max_terms_number: usize,
    // everytime a search is done, we increment the counter linked to the used settings
    matching_strategy: HashMap<String, usize>,
    // pagination
    max_limit: usize,
    max_offset: usize,
@ -423,6 +426,9 @@ impl SearchAggregator {
            ret.max_terms_number = q.split_whitespace().count();
        }
        ret.matching_strategy
            .insert(format!("{:?}", query.matching_strategy), 1);
        ret.max_limit = query.limit;
        ret.max_offset = query.offset.unwrap_or_default();
@ -476,6 +482,11 @@ impl SearchAggregator {
        }
        // q
        self.max_terms_number = self.max_terms_number.max(other.max_terms_number);
        for (key, value) in other.matching_strategy.into_iter() {
            let matching_strategy = self.matching_strategy.entry(key).or_insert(0);
            *matching_strategy = matching_strategy.saturating_add(value);
        }
        // pagination
        self.max_limit = self.max_limit.max(other.max_limit);
        self.max_offset = self.max_offset.max(other.max_offset);
@ -517,6 +528,7 @@ impl SearchAggregator {
                },
                "q": {
                   "max_terms_number": self.max_terms_number,
                   "most_used_matching_strategy": self.matching_strategy.iter().max_by_key(|(_, v)| *v).map(|(k, _)| json!(k)).unwrap_or_else(|| json!(null)),
                },
                "pagination": {
                   "max_limit": self.max_limit,
--- a/meilisearch-http/src/extractors/authentication/mod.rs
+++ b/meilisearch-http/src/extractors/authentication/mod.rs
@ -5,7 +5,7 @@ use std::ops::Deref;
 use std::pin::Pin;
 use actix_web::FromRequest;
-use error::AuthenticationError;
+pub use error::AuthenticationError;
 use futures::future::err;
 use futures::Future;
 use meilisearch_auth::{AuthController, AuthFilter};
--- a/meilisearch-http/src/helpers/env.rs
+++ b/meilisearch-http/src/helpers/env.rs
@ -1,17 +0,0 @@
 use meilisearch_lib::heed::Env;
 use walkdir::WalkDir;
 pub trait EnvSizer {
    fn size(&self) -> u64;
 }
 impl EnvSizer for Env {
    fn size(&self) -> u64 {
        WalkDir::new(self.path())
            .into_iter()
            .filter_map(|entry| entry.ok())
            .filter_map(|entry| entry.metadata().ok())
            .filter(|metadata| metadata.is_file())
            .fold(0, |acc, m| acc + m.len())
    }
 }
--- a/meilisearch-http/src/helpers/mod.rs
+++ b/meilisearch-http/src/helpers/mod.rs
@ -1,3 +0,0 @@
 mod env;
 pub use env::EnvSizer;
--- a/meilisearch-http/src/lib.rs
+++ b/meilisearch-http/src/lib.rs
@ -5,10 +5,14 @@ pub mod analytics;
 pub mod task;
 #[macro_use]
 pub mod extractors;
 pub mod helpers;
 pub mod option;
 pub mod routes;
 #[cfg(feature = "metrics")]
 pub mod metrics;
 #[cfg(feature = "metrics")]
 pub mod route_metrics;
 use std::sync::{atomic::AtomicBool, Arc};
 use std::time::Duration;
@ -30,9 +34,9 @@ pub static AUTOBATCHING_ENABLED: AtomicBool = AtomicBool::new(false);
 pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<MeiliSearch> {
    let mut meilisearch = MeiliSearch::builder();
-    // enable autobatching?
+    // disable autobatching?
    AUTOBATCHING_ENABLED.store(
-        opt.scheduler_options.enable_auto_batching,
+        !opt.scheduler_options.disable_auto_batching,
        std::sync::atomic::Ordering::Relaxed,
    );
@ -141,22 +145,40 @@ pub fn dashboard(config: &mut web::ServiceConfig, _enable_frontend: bool) {
    config.service(web::resource("/").route(web::get().to(routes::running)));
 }
 #[cfg(feature = "metrics")]
 pub fn configure_metrics_route(config: &mut web::ServiceConfig, enable_metrics_route: bool) {
    if enable_metrics_route {
        config.service(
            web::resource("/metrics").route(web::get().to(crate::route_metrics::get_metrics)),
        );
    }
 }
 #[macro_export]
 macro_rules! create_app {
    ($data:expr, $auth:expr, $enable_frontend:expr, $opt:expr, $analytics:expr) => {{
        use actix_cors::Cors;
        use actix_web::dev::Service;
        use actix_web::middleware::Condition;
        use actix_web::middleware::TrailingSlash;
        use actix_web::App;
        use actix_web::{middleware, web};
        use meilisearch_http::error::MeilisearchHttpError;
        use meilisearch_http::routes;
        use meilisearch_http::{configure_data, dashboard};
        #[cfg(feature = "metrics")]
        use meilisearch_http::{configure_metrics_route, metrics, route_metrics};
        use meilisearch_types::error::ResponseError;
-        App::new()
+        let app = App::new()
            .configure(|s| configure_data(s, $data.clone(), $auth.clone(), &$opt, $analytics))
            .configure(routes::configure)
-            .configure(|s| dashboard(s, $enable_frontend))
+            .configure(|s| dashboard(s, $enable_frontend));
        #[cfg(feature = "metrics")]
        let app = app.configure(|s| configure_metrics_route(s, $opt.enable_metrics_route));
        let app = app
            .wrap(
                Cors::default()
                    .send_wildcard()
@ -169,6 +191,14 @@ macro_rules! create_app {
            .wrap(middleware::Compress::default())
            .wrap(middleware::NormalizePath::new(
                middleware::TrailingSlash::Trim,
-            ))
+            ));
        #[cfg(feature = "metrics")]
        let app = app.wrap(Condition::new(
            $opt.enable_metrics_route,
            route_metrics::RouteMetrics,
        ));
        app
    }};
 }
--- a/meilisearch-http/src/main.rs
+++ b/meilisearch-http/src/main.rs
@ -10,9 +10,8 @@ use meilisearch_http::analytics::Analytics;
 use meilisearch_http::{create_app, setup_meilisearch, Opt};
 use meilisearch_lib::MeiliSearch;
 #[cfg(target_os = "linux")]
 #[global_allocator]
-static ALLOC: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
+static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 /// does all the setup before meilisearch is launched
 fn setup(opt: &Opt) -> anyhow::Result<()> {
@ -101,7 +100,11 @@ async fn run_http(
 pub fn print_launch_resume(opt: &Opt, user: &str) {
    let commit_sha = option_env!("VERGEN_GIT_SHA").unwrap_or("unknown");
    let commit_date = option_env!("VERGEN_GIT_COMMIT_TIMESTAMP").unwrap_or("unknown");
-
+    let protocol = if opt.ssl_cert_path.is_some() && opt.ssl_key_path.is_some() {
        "https"
    } else {
        "http"
    };
    let ascii_name = r#"
 888b     d888          d8b 888 d8b                                            888
 8888b   d8888          Y8P 888 Y8P                                            888
@ -116,7 +119,7 @@ pub fn print_launch_resume(opt: &Opt, user: &str) {
    eprintln!("{}", ascii_name);
    eprintln!("Database path:\t\t{:?}", opt.db_path);
-    eprintln!("Server listening on:\t\"http://{}\"", opt.http_addr);
+    eprintln!("Server listening on:\t\"{}://{}\"", protocol, opt.http_addr);
    eprintln!("Environment:\t\t{:?}", opt.env);
    eprintln!("Commit SHA:\t\t{:?}", commit_sha.to_string());
    eprintln!("Commit date:\t\t{:?}", commit_date.to_string());
--- a/meilisearch-http/src/metrics.rs
+++ b/meilisearch-http/src/metrics.rs
@ -0,0 +1,42 @@
 use lazy_static::lazy_static;
 use prometheus::{
    opts, register_histogram_vec, register_int_counter_vec, register_int_gauge,
    register_int_gauge_vec,
 };
 use prometheus::{HistogramVec, IntCounterVec, IntGauge, IntGaugeVec};
 const HTTP_RESPONSE_TIME_CUSTOM_BUCKETS: &[f64; 14] = &[
    0.0005, 0.0008, 0.00085, 0.0009, 0.00095, 0.001, 0.00105, 0.0011, 0.00115, 0.0012, 0.0015,
    0.002, 0.003, 1.0,
 ];
 lazy_static! {
    pub static ref HTTP_REQUESTS_TOTAL: IntCounterVec = register_int_counter_vec!(
        opts!("http_requests_total", "HTTP requests total"),
        &["method", "path"]
    )
    .expect("Can't create a metric");
    pub static ref MEILISEARCH_DB_SIZE_BYTES: IntGauge = register_int_gauge!(opts!(
        "meilisearch_db_size_bytes",
        "Meilisearch Db Size In Bytes"
    ))
    .expect("Can't create a metric");
    pub static ref MEILISEARCH_INDEX_COUNT: IntGauge =
        register_int_gauge!(opts!("meilisearch_index_count", "Meilisearch Index Count"))
            .expect("Can't create a metric");
    pub static ref MEILISEARCH_INDEX_DOCS_COUNT: IntGaugeVec = register_int_gauge_vec!(
        opts!(
            "meilisearch_index_docs_count",
            "Meilisearch Index Docs Count"
        ),
        &["index"]
    )
    .expect("Can't create a metric");
    pub static ref HTTP_RESPONSE_TIME_SECONDS: HistogramVec = register_histogram_vec!(
        "http_response_time_seconds",
        "HTTP response times",
        &["method", "path"],
        HTTP_RESPONSE_TIME_CUSTOM_BUCKETS.to_vec()
    )
    .expect("Can't create a metric");
 }
--- a/meilisearch-http/src/option.rs
+++ b/meilisearch-http/src/option.rs
@ -146,6 +146,11 @@ pub struct Opt {
    #[clap(long, env = "MEILI_LOG_LEVEL", default_value = "info")]
    pub log_level: String,
    /// Enables Prometheus metrics and /metrics route.
    #[cfg(feature = "metrics")]
    #[clap(long, env = "MEILI_ENABLE_METRICS_ROUTE")]
    pub enable_metrics_route: bool,
    #[serde(flatten)]
    #[clap(flatten)]
    pub indexer_options: IndexerOpts,
--- a/meilisearch-http/src/route_metrics.rs
+++ b/meilisearch-http/src/route_metrics.rs
@ -0,0 +1,112 @@
 use std::future::{ready, Ready};
 use actix_web::http::header;
 use actix_web::HttpResponse;
 use actix_web::{
    dev::{self, Service, ServiceRequest, ServiceResponse, Transform},
    Error,
 };
 use futures_util::future::LocalBoxFuture;
 use meilisearch_auth::actions;
 use meilisearch_lib::MeiliSearch;
 use meilisearch_types::error::ResponseError;
 use prometheus::HistogramTimer;
 use prometheus::{Encoder, TextEncoder};
 use crate::extractors::authentication::policies::ActionPolicy;
 use crate::extractors::authentication::GuardedData;
 pub async fn get_metrics(
    meilisearch: GuardedData<ActionPolicy<{ actions::METRICS_GET }>, MeiliSearch>,
 ) -> Result<HttpResponse, ResponseError> {
    let search_rules = &meilisearch.filters().search_rules;
    let response = meilisearch.get_all_stats(search_rules).await?;
    crate::metrics::MEILISEARCH_DB_SIZE_BYTES.set(response.database_size as i64);
    crate::metrics::MEILISEARCH_INDEX_COUNT.set(response.indexes.len() as i64);
    for (index, value) in response.indexes.iter() {
        crate::metrics::MEILISEARCH_INDEX_DOCS_COUNT
            .with_label_values(&[index])
            .set(value.number_of_documents as i64);
    }
    let encoder = TextEncoder::new();
    let mut buffer = vec![];
    encoder
        .encode(&prometheus::gather(), &mut buffer)
        .expect("Failed to encode metrics");
    let response = String::from_utf8(buffer).expect("Failed to convert bytes to string");
    Ok(HttpResponse::Ok()
        .insert_header(header::ContentType(mime::TEXT_PLAIN))
        .body(response))
 }
 pub struct RouteMetrics;
 // Middleware factory is `Transform` trait from actix-service crate
 // `S` - type of the next service
 // `B` - type of response's body
 impl<S, B> Transform<S, ServiceRequest> for RouteMetrics
 where
    S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
    S::Future: 'static,
    B: 'static,
 {
    type Response = ServiceResponse<B>;
    type Error = Error;
    type InitError = ();
    type Transform = RouteMetricsMiddleware<S>;
    type Future = Ready<Result<Self::Transform, Self::InitError>>;
    fn new_transform(&self, service: S) -> Self::Future {
        ready(Ok(RouteMetricsMiddleware { service }))
    }
 }
 pub struct RouteMetricsMiddleware<S> {
    service: S,
 }
 impl<S, B> Service<ServiceRequest> for RouteMetricsMiddleware<S>
 where
    S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
    S::Future: 'static,
    B: 'static,
 {
    type Response = ServiceResponse<B>;
    type Error = Error;
    type Future = LocalBoxFuture<'static, Result<Self::Response, Self::Error>>;
    dev::forward_ready!(service);
    fn call(&self, req: ServiceRequest) -> Self::Future {
        let mut histogram_timer: Option<HistogramTimer> = None;
        let request_path = req.path();
        let is_registered_resource = req.resource_map().has_resource(request_path);
        if is_registered_resource {
            let request_method = req.method().to_string();
            histogram_timer = Some(
                crate::metrics::HTTP_RESPONSE_TIME_SECONDS
                    .with_label_values(&[&request_method, request_path])
                    .start_timer(),
            );
            crate::metrics::HTTP_REQUESTS_TOTAL
                .with_label_values(&[&request_method, request_path])
                .inc();
        }
        let fut = self.service.call(req);
        Box::pin(async move {
            let res = fut.await?;
            if let Some(histogram_timer) = histogram_timer {
                histogram_timer.observe_duration();
            };
            Ok(res)
        })
    }
 }
--- a/meilisearch-http/src/routes/indexes/mod.rs
+++ b/meilisearch-http/src/routes/indexes/mod.rs
@ -8,7 +8,7 @@ use serde_json::json;
 use time::OffsetDateTime;
 use crate::analytics::Analytics;
-use crate::extractors::authentication::{policies::*, GuardedData};
+use crate::extractors::authentication::{policies::*, AuthenticationError, GuardedData};
 use crate::extractors::sequential_extractor::SeqHandler;
 use crate::task::SummarizedTaskView;
@ -74,16 +74,21 @@ pub async fn create_index(
        primary_key, uid, ..
    } = body.into_inner();
-    analytics.publish(
+    let allow_index_creation = meilisearch.filters().search_rules.is_index_authorized(&uid);
-        "Index Created".to_string(),
+    if allow_index_creation {
-        json!({ "primary_key": primary_key }),
+        analytics.publish(
-        Some(&req),
+            "Index Created".to_string(),
-    );
+            json!({ "primary_key": primary_key }),
            Some(&req),
        );
-    let update = Update::CreateIndex { primary_key };
+        let update = Update::CreateIndex { primary_key };
-    let task: SummarizedTaskView = meilisearch.register_update(uid, update).await?.into();
+        let task: SummarizedTaskView = meilisearch.register_update(uid, update).await?.into();
-    Ok(HttpResponse::Accepted().json(task))
+        Ok(HttpResponse::Accepted().json(task))
    } else {
        Err(AuthenticationError::InvalidToken.into())
    }
 }
 #[derive(Debug, Deserialize)]
@ -158,7 +163,14 @@ pub async fn delete_index(
 pub async fn get_index_stats(
    meilisearch: GuardedData<ActionPolicy<{ actions::STATS_GET }>, MeiliSearch>,
    path: web::Path<String>,
    req: HttpRequest,
    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
    analytics.publish(
        "Stats Seen".to_string(),
        json!({ "per_index_uid": true }),
        Some(&req),
    );
    let response = meilisearch.get_index_stats(path.into_inner()).await?;
    debug!("returns: {:?}", response);
--- a/meilisearch-http/src/routes/indexes/search.rs
+++ b/meilisearch-http/src/routes/indexes/search.rs
@ -2,8 +2,8 @@ use actix_web::{web, HttpRequest, HttpResponse};
 use log::debug;
 use meilisearch_auth::IndexSearchRules;
 use meilisearch_lib::index::{
-    SearchQuery, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER, DEFAULT_HIGHLIGHT_POST_TAG,
+    MatchingStrategy, SearchQuery, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER,
-    DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT,
+    DEFAULT_HIGHLIGHT_POST_TAG, DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT,
 };
 use meilisearch_lib::MeiliSearch;
 use meilisearch_types::error::ResponseError;
@ -45,6 +45,8 @@ pub struct SearchQueryGet {
    highlight_post_tag: String,
    #[serde(default = "DEFAULT_CROP_MARKER")]
    crop_marker: String,
    #[serde(default)]
    matching_strategy: MatchingStrategy,
 }
 impl From<SearchQueryGet> for SearchQuery {
@ -76,6 +78,7 @@ impl From<SearchQueryGet> for SearchQuery {
            highlight_pre_tag: other.highlight_pre_tag,
            highlight_post_tag: other.highlight_post_tag,
            crop_marker: other.crop_marker,
            matching_strategy: other.matching_strategy,
        }
    }
 }
--- a/meilisearch-http/src/routes/mod.rs
+++ b/meilisearch-http/src/routes/mod.rs
@ -1,7 +1,8 @@
-use actix_web::{web, HttpResponse};
+use actix_web::{web, HttpRequest, HttpResponse};
 use log::debug;
 use serde::{Deserialize, Serialize};
 use serde_json::json;
 use time::OffsetDateTime;
 use meilisearch_lib::index::{Settings, Unchecked};
@ -9,6 +10,7 @@ use meilisearch_lib::MeiliSearch;
 use meilisearch_types::error::ResponseError;
 use meilisearch_types::star_or::StarOr;
 use crate::analytics::Analytics;
 use crate::extractors::authentication::{policies::*, GuardedData};
 mod api_key;
@ -231,7 +233,14 @@ pub async fn running() -> HttpResponse {
 async fn get_stats(
    meilisearch: GuardedData<ActionPolicy<{ actions::STATS_GET }>, MeiliSearch>,
    req: HttpRequest,
    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
    analytics.publish(
        "Stats Seen".to_string(),
        json!({ "per_index_uid": false }),
        Some(&req),
    );
    let search_rules = &meilisearch.filters().search_rules;
    let response = meilisearch.get_all_stats(search_rules).await?;
--- a/meilisearch-http/src/routes/tasks.rs
+++ b/meilisearch-http/src/routes/tasks.rs
@ -119,7 +119,7 @@ async fn get_tasks(
    // Then we complete the task filter with other potential status and types filters.
    let filters = if type_.is_some() || status.is_some() {
        let mut filters = indexes_filters.unwrap_or_default();
-        filters.filter_fn(move |task| {
+        filters.filter_fn(Box::new(move |task| {
            let matches_type = match &type_ {
                Some(types) => types
                    .iter()
@ -135,7 +135,7 @@ async fn get_tasks(
            };
            matches_type && matches_status
-        });
+        }));
        Some(filters)
    } else {
        indexes_filters
--- a/meilisearch-http/src/task.rs
+++ b/meilisearch-http/src/task.rs
@ -4,7 +4,6 @@ use std::str::FromStr;
 use std::write;
 use meilisearch_lib::index::{Settings, Unchecked};
 use meilisearch_lib::tasks::batch::BatchId;
 use meilisearch_lib::tasks::task::{
    DocumentDeletion, Task, TaskContent, TaskEvent, TaskId, TaskResult,
 };
@ -12,8 +11,6 @@ use meilisearch_types::error::ResponseError;
 use serde::{Deserialize, Serialize, Serializer};
 use time::{Duration, OffsetDateTime};
 use crate::AUTOBATCHING_ENABLED;
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub enum TaskType {
@ -230,8 +227,6 @@ pub struct TaskView {
    started_at: Option<OffsetDateTime>,
    #[serde(serialize_with = "time::serde::rfc3339::option::serialize")]
    finished_at: Option<OffsetDateTime>,
    #[serde(skip_serializing_if = "Option::is_none")]
    batch_uid: Option<Option<BatchId>>,
 }
 impl From<Task> for TaskView {
@ -380,16 +375,6 @@ impl From<Task> for TaskView {
        let duration = finished_at.zip(started_at).map(|(tf, ts)| (tf - ts));
        let batch_uid = if AUTOBATCHING_ENABLED.load(std::sync::atomic::Ordering::Relaxed) {
            let id = events.iter().find_map(|e| match e {
                TaskEvent::Batched { batch_id, .. } => Some(*batch_id),
                _ => None,
            });
            Some(id)
        } else {
            None
        };
        Self {
            uid: id,
            index_uid,
@ -401,7 +386,6 @@ impl From<Task> for TaskView {
            enqueued_at,
            started_at,
            finished_at,
            batch_uid,
        }
    }
 }
--- a/meilisearch-http/tests/auth/authorization.rs
+++ b/meilisearch-http/tests/auth/authorization.rs
@ -8,7 +8,7 @@ use time::{Duration, OffsetDateTime};
 pub static AUTHORIZATIONS: Lazy<HashMap<(&'static str, &'static str), HashSet<&'static str>>> =
    Lazy::new(|| {
-        hashmap! {
+        let mut authorizations = hashmap! {
            ("POST",    "/indexes/products/search") =>                         hashset!{"search", "*"},
            ("GET",     "/indexes/products/search") =>                         hashset!{"search", "*"},
            ("POST",    "/indexes/products/documents") =>                      hashset!{"documents.add", "documents.*", "*"},
@ -52,7 +52,16 @@ pub static AUTHORIZATIONS: Lazy<HashMap<(&'static str, &'static str), HashSet<&'
            ("DELETE",  "/keys/mykey/") =>                                     hashset!{"keys.delete", "*"},
            ("POST",    "/keys") =>                                            hashset!{"keys.create", "*"},
            ("GET",     "/keys") =>                                            hashset!{"keys.get", "*"},
        };
        if cfg!(feature = "metrics") {
            authorizations.insert(
                ("GET", "/metrics"),
                hashset! {"metrics.get", "metrics.*", "*"},
            );
        }
        authorizations
    });
 pub static ALL_ACTIONS: Lazy<HashSet<&'static str>> = Lazy::new(|| {
@ -90,7 +99,7 @@ async fn error_access_expired_key() {
    assert!(response["key"].is_string());
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    // wait until the key is expired.
    thread::sleep(time::Duration::new(1, 0));
@ -126,7 +135,7 @@ async fn error_access_unauthorized_index() {
    assert!(response["key"].is_string());
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    for (method, route) in AUTHORIZATIONS
        .keys()
@ -166,7 +175,7 @@ async fn error_access_unauthorized_action() {
        assert!(response["key"].is_string());
        let key = response["key"].as_str().unwrap();
-        server.use_api_key(&key);
+        server.use_api_key(key);
        let (response, code) = server.dummy_request(method, route).await;
        assert_eq!(
@ -221,7 +230,7 @@ async fn access_authorized_restricted_index() {
            assert!(response["key"].is_string());
            let key = response["key"].as_str().unwrap();
-            server.use_api_key(&key);
+            server.use_api_key(key);
            let (response, code) = server.dummy_request(method, route).await;
@ -259,7 +268,7 @@ async fn access_authorized_no_index_restriction() {
            assert!(response["key"].is_string());
            let key = response["key"].as_str().unwrap();
-            server.use_api_key(&key);
+            server.use_api_key(key);
            let (response, code) = server.dummy_request(method, route).await;
@ -304,7 +313,7 @@ async fn access_authorized_stats_restricted_index() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    let (response, code) = server.stats().await;
    assert_eq!(200, code, "{:?}", &response);
@ -344,7 +353,7 @@ async fn access_authorized_stats_no_index_restriction() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    let (response, code) = server.stats().await;
    assert_eq!(200, code, "{:?}", &response);
@ -384,7 +393,7 @@ async fn list_authorized_indexes_restricted_index() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    let (response, code) = server.list_indexes(None, None).await;
    assert_eq!(200, code, "{:?}", &response);
@ -425,7 +434,7 @@ async fn list_authorized_indexes_no_index_restriction() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    let (response, code) = server.list_indexes(None, None).await;
    assert_eq!(200, code, "{:?}", &response);
@ -465,7 +474,7 @@ async fn list_authorized_tasks_restricted_index() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    let (response, code) = server.service.get("/tasks").await;
    assert_eq!(200, code, "{:?}", &response);
@ -505,7 +514,7 @@ async fn list_authorized_tasks_no_index_restriction() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    let (response, code) = server.service.get("/tasks").await;
    assert_eq!(200, code, "{:?}", &response);
@ -536,7 +545,7 @@ async fn error_creating_index_without_action() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    let expected_error = json!({
        "message": "Index `test` not found.",
@ -588,11 +597,91 @@ async fn error_creating_index_without_action() {
 #[actix_rt::test]
 async fn lazy_create_index() {
    let mut server = Server::new_auth().await;
    // create key with access on all indexes.
    let contents = vec![
        json!({
            "indexes": ["*"],
            "actions": ["*"],
            "expiresAt": "2050-11-13T00:00:00Z"
        }),
        json!({
            "indexes": ["*"],
            "actions": ["indexes.*", "documents.*", "settings.*", "tasks.*"],
            "expiresAt": "2050-11-13T00:00:00Z"
        }),
        json!({
            "indexes": ["*"],
            "actions": ["indexes.create", "documents.add", "settings.update", "tasks.get"],
            "expiresAt": "2050-11-13T00:00:00Z"
        }),
    ];
    for content in contents {
        server.use_api_key("MASTER_KEY");
        let (response, code) = server.add_api_key(content).await;
        assert_eq!(201, code, "{:?}", &response);
        assert!(response["key"].is_string());
        // use created key.
        let key = response["key"].as_str().unwrap();
        server.use_api_key(key);
        // try to create a index via add documents route
        let index = server.index("test");
        let documents = json!([
            {
                "id": 1,
                "content": "foo",
            }
        ]);
        let (response, code) = index.add_documents(documents, None).await;
        assert_eq!(202, code, "{:?}", &response);
        let task_id = response["taskUid"].as_u64().unwrap();
        index.wait_task(task_id).await;
        let (response, code) = index.get_task(task_id).await;
        assert_eq!(200, code, "{:?}", &response);
        assert_eq!(response["status"], "succeeded");
        // try to create a index via add settings route
        let index = server.index("test1");
        let settings = json!({ "distinctAttribute": "test"});
        let (response, code) = index.update_settings(settings).await;
        assert_eq!(202, code, "{:?}", &response);
        let task_id = response["taskUid"].as_u64().unwrap();
        index.wait_task(task_id).await;
        let (response, code) = index.get_task(task_id).await;
        assert_eq!(200, code, "{:?}", &response);
        assert_eq!(response["status"], "succeeded");
        // try to create a index via add specialized settings route
        let index = server.index("test2");
        let (response, code) = index.update_distinct_attribute(json!("test")).await;
        assert_eq!(202, code, "{:?}", &response);
        let task_id = response["taskUid"].as_u64().unwrap();
        index.wait_task(task_id).await;
        let (response, code) = index.get_task(task_id).await;
        assert_eq!(200, code, "{:?}", &response);
        assert_eq!(response["status"], "succeeded");
    }
 }
 #[actix_rt::test]
 async fn error_creating_index_without_index() {
    let mut server = Server::new_auth().await;
    server.use_api_key("MASTER_KEY");
    // create key with access on all indexes.
    let content = json!({
-        "indexes": ["*"],
+        "indexes": ["unexpected"],
        "actions": ["*"],
        "expiresAt": "2050-11-13T00:00:00Z"
    });
@ -603,7 +692,7 @@ async fn lazy_create_index() {
    // use created key.
    let key = response["key"].as_str().unwrap();
-    server.use_api_key(&key);
+    server.use_api_key(key);
    // try to create a index via add documents route
    let index = server.index("test");
@ -615,38 +704,21 @@ async fn lazy_create_index() {
    ]);
    let (response, code) = index.add_documents(documents, None).await;
-    assert_eq!(202, code, "{:?}", &response);
+    assert_eq!(403, code, "{:?}", &response);
    let task_id = response["taskUid"].as_u64().unwrap();
    index.wait_task(task_id).await;
    let (response, code) = index.get_task(task_id).await;
    assert_eq!(200, code, "{:?}", &response);
    assert_eq!(response["status"], "succeeded");
    // try to create a index via add settings route
    let index = server.index("test1");
    let settings = json!({ "distinctAttribute": "test"});
    let (response, code) = index.update_settings(settings).await;
-    assert_eq!(202, code, "{:?}", &response);
+    assert_eq!(403, code, "{:?}", &response);
    let task_id = response["taskUid"].as_u64().unwrap();
    index.wait_task(task_id).await;
    let (response, code) = index.get_task(task_id).await;
    assert_eq!(200, code, "{:?}", &response);
    assert_eq!(response["status"], "succeeded");
    // try to create a index via add specialized settings route
    let index = server.index("test2");
    let (response, code) = index.update_distinct_attribute(json!("test")).await;
-    assert_eq!(202, code, "{:?}", &response);
+    assert_eq!(403, code, "{:?}", &response);
    let task_id = response["taskUid"].as_u64().unwrap();
-    index.wait_task(task_id).await;
+    // try to create a index via create index route
-
+    let index = server.index("test3");
-    let (response, code) = index.get_task(task_id).await;
+    let (response, code) = index.create(None).await;
-    assert_eq!(200, code, "{:?}", &response);
+    assert_eq!(403, code, "{:?}", &response);
    assert_eq!(response["status"], "succeeded");
 }
--- a/meilisearch-http/tests/auth/payload.rs
+++ b/meilisearch-http/tests/auth/payload.rs
@ -19,7 +19,7 @@ async fn error_api_key_bad_content_types() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -91,7 +91,7 @@ async fn error_api_key_empty_content_types() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -163,7 +163,7 @@ async fn error_api_key_missing_content_types() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -227,7 +227,7 @@ async fn error_api_key_empty_payload() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -283,7 +283,7 @@ async fn error_api_key_malformed_payload() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
--- a/meilisearch-http/tests/auth/tenant_token.rs
+++ b/meilisearch-http/tests/auth/tenant_token.rs
@ -473,7 +473,7 @@ async fn error_access_forbidden_routes() {
        "searchRules" => json!(["*"]),
        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
    };
-    let web_token = generate_tenant_token(&uid, &key, tenant_token);
+    let web_token = generate_tenant_token(uid, key, tenant_token);
    server.use_api_key(&web_token);
    for ((method, route), actions) in AUTHORIZATIONS.iter() {
@ -509,7 +509,7 @@ async fn error_access_expired_parent_key() {
        "searchRules" => json!(["*"]),
        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
    };
-    let web_token = generate_tenant_token(&uid, &key, tenant_token);
+    let web_token = generate_tenant_token(uid, key, tenant_token);
    server.use_api_key(&web_token);
    // test search request while parent_key is not expired
@ -552,7 +552,7 @@ async fn error_access_modified_token() {
        "searchRules" => json!(["products"]),
        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
    };
-    let web_token = generate_tenant_token(&uid, &key, tenant_token);
+    let web_token = generate_tenant_token(uid, key, tenant_token);
    server.use_api_key(&web_token);
    // test search request while web_token is valid
@ -567,7 +567,7 @@ async fn error_access_modified_token() {
        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
    };
-    let alt = generate_tenant_token(&uid, &key, tenant_token);
+    let alt = generate_tenant_token(uid, key, tenant_token);
    let altered_token = [
        web_token.split('.').next().unwrap(),
        alt.split('.').nth(1).unwrap(),
--- a/meilisearch-http/tests/common/server.rs
+++ b/meilisearch-http/tests/common/server.rs
@ -162,6 +162,8 @@ pub fn default_settings(dir: impl AsRef<Path>) -> Opt {
            max_indexing_memory: MaxMemory::unlimited(),
            ..Parser::parse_from(None as Option<&str>)
        },
        #[cfg(feature = "metrics")]
        enable_metrics_route: true,
        ..Parser::parse_from(None as Option<&str>)
    }
 }
--- a/meilisearch-http/tests/common/service.rs
+++ b/meilisearch-http/tests/common/service.rs
@ -18,7 +18,7 @@ impl Service {
            &self.meilisearch,
            &self.auth,
            true,
-            &self.options,
+            self.options,
            analytics::MockAnalytics::new(&self.options).0
        ))
        .await;
@ -46,7 +46,7 @@ impl Service {
            &self.meilisearch,
            &self.auth,
            true,
-            &self.options,
+            self.options,
            analytics::MockAnalytics::new(&self.options).0
        ))
        .await;
@ -72,7 +72,7 @@ impl Service {
            &self.meilisearch,
            &self.auth,
            true,
-            &self.options,
+            self.options,
            analytics::MockAnalytics::new(&self.options).0
        ))
        .await;
@ -95,7 +95,7 @@ impl Service {
            &self.meilisearch,
            &self.auth,
            true,
-            &self.options,
+            self.options,
            analytics::MockAnalytics::new(&self.options).0
        ))
        .await;
@ -118,7 +118,7 @@ impl Service {
            &self.meilisearch,
            &self.auth,
            true,
-            &self.options,
+            self.options,
            analytics::MockAnalytics::new(&self.options).0
        ))
        .await;
@ -141,7 +141,7 @@ impl Service {
            &self.meilisearch,
            &self.auth,
            true,
-            &self.options,
+            self.options,
            analytics::MockAnalytics::new(&self.options).0
        ))
        .await;
--- a/meilisearch-http/tests/content_type.rs
+++ b/meilisearch-http/tests/content_type.rs
@ -63,7 +63,7 @@ async fn error_json_bad_content_type() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -146,7 +146,7 @@ async fn extract_actual_content_type() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
--- a/meilisearch-http/tests/documents/add_documents.rs
+++ b/meilisearch-http/tests/documents/add_documents.rs
@ -1,5 +1,6 @@
 use crate::common::{GetAllDocumentsOptions, Server};
 use actix_web::test;
 use meilisearch_http::{analytics, create_app};
 use serde_json::{json, Value};
 use time::{format_description::well_known::Rfc3339, OffsetDateTime};
@ -20,7 +21,52 @@ async fn add_documents_test_json_content_types() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
    // post
    let req = test::TestRequest::post()
        .uri("/indexes/dog/documents")
        .set_payload(document.to_string())
        .insert_header(("content-type", "application/json"))
        .to_request();
    let res = test::call_service(&app, req).await;
    let status_code = res.status();
    let body = test::read_body(res).await;
    let response: Value = serde_json::from_slice(&body).unwrap_or_default();
    assert_eq!(status_code, 202);
    assert_eq!(response["taskUid"], 0);
    // put
    let req = test::TestRequest::put()
        .uri("/indexes/dog/documents")
        .set_payload(document.to_string())
        .insert_header(("content-type", "application/json"))
        .to_request();
    let res = test::call_service(&app, req).await;
    let status_code = res.status();
    let body = test::read_body(res).await;
    let response: Value = serde_json::from_slice(&body).unwrap_or_default();
    assert_eq!(status_code, 202);
    assert_eq!(response["taskUid"], 1);
 }
 /// Here we try to send a single document instead of an array with a single document inside.
 #[actix_rt::test]
 async fn add_single_document_test_json_content_types() {
    let document = json!({
        "id": 1,
        "content": "Bouvier Bernois",
    });
    // this is a what is expected and should work
    let server = Server::new().await;
    let app = test::init_service(create_app!(
        &server.service.meilisearch,
        &server.service.auth,
        true,
        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -66,7 +112,7 @@ async fn error_add_documents_test_bad_content_types() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -134,7 +180,7 @@ async fn error_add_documents_test_no_content_type() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -194,7 +240,7 @@ async fn error_add_malformed_csv_documents() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -256,7 +302,7 @@ async fn error_add_malformed_json_documents() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -326,7 +372,7 @@ async fn error_add_malformed_json_documents() {
    assert_eq!(
        response["message"],
        json!(
-            r#"The `json` payload provided is malformed. `Couldn't serialize document value: invalid type: string "0123456789012345678901234567...890123456789", expected a documents, or a sequence of documents. at line 1 column 102`."#
+            r#"The `json` payload provided is malformed. `Couldn't serialize document value: data did not match any variant of untagged enum Either`."#
        )
    );
    assert_eq!(response["code"], json!("malformed_payload"));
@ -349,9 +395,7 @@ async fn error_add_malformed_json_documents() {
    assert_eq!(status_code, 400);
    assert_eq!(
        response["message"],
-        json!(
+        json!("The `json` payload provided is malformed. `Couldn't serialize document value: data did not match any variant of untagged enum Either`.")
            r#"The `json` payload provided is malformed. `Couldn't serialize document value: invalid type: string "0123456789012345678901234567...90123456789m", expected a documents, or a sequence of documents. at line 1 column 103`."#
        )
    );
    assert_eq!(response["code"], json!("malformed_payload"));
    assert_eq!(response["type"], json!("invalid_request"));
@ -370,7 +414,7 @@ async fn error_add_malformed_ndjson_documents() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -388,7 +432,7 @@ async fn error_add_malformed_ndjson_documents() {
    assert_eq!(
        response["message"],
        json!(
-            r#"The `ndjson` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 1 column 2`."#
+            r#"The `ndjson` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 2 column 2`."#
        )
    );
    assert_eq!(response["code"], json!("malformed_payload"));
@ -411,9 +455,7 @@ async fn error_add_malformed_ndjson_documents() {
    assert_eq!(status_code, 400);
    assert_eq!(
        response["message"],
-        json!(
+        json!("The `ndjson` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 2 column 2`.")
            r#"The `ndjson` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 1 column 2`."#
        )
    );
    assert_eq!(response["code"], json!("malformed_payload"));
    assert_eq!(response["type"], json!("invalid_request"));
@ -432,7 +474,7 @@ async fn error_add_missing_payload_csv_documents() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -484,7 +526,7 @@ async fn error_add_missing_payload_json_documents() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -536,7 +578,7 @@ async fn error_add_missing_payload_ndjson_documents() {
        &server.service.meilisearch,
        &server.service.auth,
        true,
-        &server.service.options,
+        server.service.options,
        analytics::MockAnalytics::new(&server.service.options).0
    ))
    .await;
@ -1020,7 +1062,7 @@ async fn add_documents_invalid_geo_field() {
    index.wait_task(2).await;
    let (response, code) = index.get_task(2).await;
    assert_eq!(code, 200);
-    assert_eq!(response["status"], "succeeded");
+    assert_eq!(response["status"], "failed");
 }
 #[actix_rt::test]
@ -1099,3 +1141,62 @@ async fn add_documents_with_primary_key_twice() {
    let (response, _code) = index.get_task(1).await;
    assert_eq!(response["status"], "succeeded");
 }
 #[actix_rt::test]
 async fn batch_several_documents_addition() {
    let server = Server::new().await;
    let index = server.index("test");
    let mut documents: Vec<_> = (0..150usize)
        .into_iter()
        .map(|id| {
            json!(
                {
                    "id": id,
                    "title": "foo",
                    "desc": "bar"
                }
            )
        })
        .collect();
    documents[100] = json!({"title": "error", "desc": "error"});
    // enqueue batch of documents
    let mut waiter = Vec::new();
    for chunk in documents.chunks(30) {
        waiter.push(index.add_documents(json!(chunk), Some("id")));
    }
    // wait first batch of documents to finish
    futures::future::join_all(waiter).await;
    index.wait_task(4).await;
    // run a second completely failing batch
    documents[40] = json!({"title": "error", "desc": "error"});
    documents[70] = json!({"title": "error", "desc": "error"});
    documents[130] = json!({"title": "error", "desc": "error"});
    let mut waiter = Vec::new();
    for chunk in documents.chunks(30) {
        waiter.push(index.add_documents(json!(chunk), Some("id")));
    }
    // wait second batch of documents to finish
    futures::future::join_all(waiter).await;
    index.wait_task(9).await;
    let (response, _code) = index.filtered_tasks(&[], &["failed"]).await;
    // Check if only the 6th task failed
    println!("{}", &response);
    assert_eq!(response["results"].as_array().unwrap().len(), 5);
    // Check if there are exactly 120 documents (150 - 30) in the index;
    let (response, code) = index
        .get_all_documents(GetAllDocumentsOptions {
            limit: Some(200),
            ..Default::default()
        })
        .await;
    assert_eq!(code, 200, "failed with `{}`", response);
    assert_eq!(response["results"].as_array().unwrap().len(), 120);
 }
--- a/meilisearch-http/tests/search/errors.rs
+++ b/meilisearch-http/tests/search/errors.rs
@ -74,7 +74,7 @@ async fn filter_invalid_syntax_object() {
    index.wait_task(1).await;
    let expected_response = json!({
-        "message": "Was expecting an operation `=`, `!=`, `>=`, `>`, `<=`, `<`, `TO` or `_geoRadius` at `title & Glass`.\n1:14 title & Glass",
+        "message": "Was expecting an operation `=`, `!=`, `>=`, `>`, `<=`, `<`, `TO`, `EXISTS`, `NOT EXISTS`, or `_geoRadius` at `title & Glass`.\n1:14 title & Glass",
        "code": "invalid_filter",
        "type": "invalid_request",
        "link": "https://docs.meilisearch.com/errors#invalid_filter"
@ -101,7 +101,7 @@ async fn filter_invalid_syntax_array() {
    index.wait_task(1).await;
    let expected_response = json!({
-        "message": "Was expecting an operation `=`, `!=`, `>=`, `>`, `<=`, `<`, `TO` or `_geoRadius` at `title & Glass`.\n1:14 title & Glass",
+        "message": "Was expecting an operation `=`, `!=`, `>=`, `>`, `<=`, `<`, `TO`, `EXISTS`, `NOT EXISTS`, or `_geoRadius` at `title & Glass`.\n1:14 title & Glass",
        "code": "invalid_filter",
        "type": "invalid_request",
        "link": "https://docs.meilisearch.com/errors#invalid_filter"
--- a/meilisearch-http/tests/search/mod.rs
+++ b/meilisearch-http/tests/search/mod.rs
@ -708,9 +708,7 @@ async fn faceting_max_values_per_facet() {
            }),
            |response, code| {
                assert_eq!(code, 200, "{}", response);
-                let numbers = dbg!(&response)["facetDistribution"]["number"]
+                let numbers = &response["facetDistribution"]["number"].as_object().unwrap();
                    .as_object()
                    .unwrap();
                assert_eq!(numbers.len(), 10_000);
            },
        )
--- a/meilisearch-lib/Cargo.toml
+++ b/meilisearch-lib/Cargo.toml
@ -1,11 +1,11 @@
 [package]
 name = "meilisearch-lib"
-version = "0.28.1"
+version = "0.29.2"
 edition = "2021"
 [dependencies]
 actix-web = { version = "4.0.1", default-features = false }
-anyhow = { version = "1.0.56", features = ["backtrace"] }
+anyhow = { version = "1.0.62", features = ["backtrace"] }
 async-stream = "0.3.3"
 async-trait = "0.1.52"
 atomic_refcell = "0.1.8"
@ -15,7 +15,7 @@ clap = { version = "3.1.6", features = ["derive", "env"] }
 crossbeam-channel = "0.5.2"
 csv = "1.1.6"
 derivative = "2.2.0"
-either = "1.6.1"
+either = { version = "1.6.1", features = ["serde"] }
 flate2 = "1.0.22"
 fs_extra = "1.2.0"
 fst = "0.4.7"
@ -28,11 +28,12 @@ lazy_static = "1.4.0"
 log = "0.4.14"
 meilisearch-auth = { path = "../meilisearch-auth" }
 meilisearch-types = { path = "../meilisearch-types" }
-milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.31.2" }
+milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.33.5" }
 mime = "0.3.16"
 num_cpus = "1.13.1"
 obkv = "0.2.0"
 once_cell = "1.10.0"
 page_size = "0.4.2"
 parking_lot = "0.12.0"
 permissive-json-pointer = { path = "../permissive-json-pointer" }
 rand = "0.8.5"
@ -42,7 +43,7 @@ reqwest = { version = "0.11.9", features = ["json", "rustls-tls"], default-featu
 roaring = "0.9.0"
 rustls = "0.20.4"
 serde = { version = "1.0.136", features = ["derive"] }
-serde_json = { version = "1.0.79", features = ["preserve_order"] }
+serde_json = { version = "1.0.85", features = ["preserve_order"] }
 siphasher = "0.3.10"
 slice-group-by = "0.3.0"
 sysinfo = "0.23.5"
--- a/meilisearch-lib/src/document_formats.rs
+++ b/meilisearch-lib/src/document_formats.rs
@ -1,10 +1,13 @@
 use std::borrow::Borrow;
 use std::fmt::{self, Debug, Display};
-use std::io::{self, BufRead, BufReader, BufWriter, Cursor, Read, Seek, Write};
+use std::io::{self, BufReader, Read, Seek, Write};
 use either::Either;
 use meilisearch_types::error::{Code, ErrorCode};
 use meilisearch_types::internal_error;
-use milli::documents::DocumentBatchBuilder;
+use milli::documents::{DocumentsBatchBuilder, Error};
 use milli::Object;
 use serde::Deserialize;
 type Result<T> = std::result::Result<T, DocumentFormatError>;
@ -18,9 +21,9 @@ pub enum PayloadType {
 impl fmt::Display for PayloadType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
-            PayloadType::Ndjson => write!(f, "ndjson"),
+            PayloadType::Ndjson => f.write_str("ndjson"),
-            PayloadType::Json => write!(f, "json"),
+            PayloadType::Json => f.write_str("json"),
-            PayloadType::Csv => write!(f, "csv"),
+            PayloadType::Csv => f.write_str("csv"),
        }
    }
 }
@ -28,7 +31,7 @@ impl fmt::Display for PayloadType {
 #[derive(Debug)]
 pub enum DocumentFormatError {
    Internal(Box<dyn std::error::Error + Send + Sync + 'static>),
-    MalformedPayload(Box<milli::documents::Error>, PayloadType),
+    MalformedPayload(Error, PayloadType),
 }
 impl Display for DocumentFormatError {
@ -36,7 +39,7 @@ impl Display for DocumentFormatError {
        match self {
            Self::Internal(e) => write!(f, "An internal error has occurred: `{}`.", e),
            Self::MalformedPayload(me, b) => match me.borrow() {
-                milli::documents::Error::JsonError(se) => {
+                Error::Json(se) => {
                    // https://github.com/meilisearch/meilisearch/issues/2107
                    // The user input maybe insanely long. We need to truncate it.
                    let mut serde_msg = se.to_string();
@ -59,11 +62,11 @@ impl Display for DocumentFormatError {
 impl std::error::Error for DocumentFormatError {}
-impl From<(PayloadType, milli::documents::Error)> for DocumentFormatError {
+impl From<(PayloadType, Error)> for DocumentFormatError {
-    fn from((ty, error): (PayloadType, milli::documents::Error)) -> Self {
+    fn from((ty, error): (PayloadType, Error)) -> Self {
        match error {
-            milli::documents::Error::Io(e) => Self::Internal(Box::new(e)),
+            Error::Io(e) => Self::Internal(Box::new(e)),
-            e => Self::MalformedPayload(Box::new(e), ty),
+            e => Self::MalformedPayload(e, ty),
        }
    }
 }
@ -79,51 +82,74 @@ impl ErrorCode for DocumentFormatError {
 internal_error!(DocumentFormatError: io::Error);
-/// reads csv from input and write an obkv batch to writer.
+/// Reads CSV from input and write an obkv batch to writer.
 pub fn read_csv(input: impl Read, writer: impl Write + Seek) -> Result<usize> {
-    let writer = BufWriter::new(writer);
+    let mut builder = DocumentsBatchBuilder::new(writer);
    let builder =
        DocumentBatchBuilder::from_csv(input, writer).map_err(|e| (PayloadType::Csv, e))?;
-    let count = builder.finish().map_err(|e| (PayloadType::Csv, e))?;
+    let csv = csv::Reader::from_reader(input);
    builder.append_csv(csv).map_err(|e| (PayloadType::Csv, e))?;
-    Ok(count)
+    let count = builder.documents_count();
    let _ = builder
        .into_inner()
        .map_err(Into::into)
        .map_err(DocumentFormatError::Internal)?;
    Ok(count as usize)
 }
-/// reads jsonl from input and write an obkv batch to writer.
+/// Reads JSON Lines from input and write an obkv batch to writer.
 pub fn read_ndjson(input: impl Read, writer: impl Write + Seek) -> Result<usize> {
-    let mut reader = BufReader::new(input);
+    let mut builder = DocumentsBatchBuilder::new(writer);
-    let writer = BufWriter::new(writer);
+    let reader = BufReader::new(input);
-    let mut builder = DocumentBatchBuilder::new(writer).map_err(|e| (PayloadType::Ndjson, e))?;
+    for result in serde_json::Deserializer::from_reader(reader).into_iter() {
-    let mut buf = String::new();
+        let object = result
-
+            .map_err(Error::Json)
    while reader.read_line(&mut buf)? > 0 {
        // skip empty lines
        if buf == "\n" {
            buf.clear();
            continue;
        }
        builder
            .extend_from_json(Cursor::new(&buf.as_bytes()))
            .map_err(|e| (PayloadType::Ndjson, e))?;
-        buf.clear();
+        builder
            .append_json_object(&object)
            .map_err(Into::into)
            .map_err(DocumentFormatError::Internal)?;
    }
-    let count = builder.finish().map_err(|e| (PayloadType::Ndjson, e))?;
+    let count = builder.documents_count();
    let _ = builder
        .into_inner()
        .map_err(Into::into)
        .map_err(DocumentFormatError::Internal)?;
-    Ok(count)
+    Ok(count as usize)
 }
-/// reads json from input and write an obkv batch to writer.
+/// Reads JSON from input and write an obkv batch to writer.
 pub fn read_json(input: impl Read, writer: impl Write + Seek) -> Result<usize> {
-    let writer = BufWriter::new(writer);
+    let mut builder = DocumentsBatchBuilder::new(writer);
-    let mut builder = DocumentBatchBuilder::new(writer).map_err(|e| (PayloadType::Json, e))?;
+    let reader = BufReader::new(input);
-    builder
+
-        .extend_from_json(input)
+    #[derive(Deserialize, Debug)]
    #[serde(transparent)]
    struct ArrayOrSingleObject {
        #[serde(with = "either::serde_untagged")]
        inner: Either<Vec<Object>, Object>,
    }
    let content: ArrayOrSingleObject = serde_json::from_reader(reader)
        .map_err(Error::Json)
        .map_err(|e| (PayloadType::Json, e))?;
-    let count = builder.finish().map_err(|e| (PayloadType::Json, e))?;
+    for object in content.inner.map_right(|o| vec![o]).into_inner() {
        builder
            .append_json_object(&object)
            .map_err(Into::into)
            .map_err(DocumentFormatError::Internal)?;
    }
-    Ok(count)
+    let count = builder.documents_count();
    let _ = builder
        .into_inner()
        .map_err(Into::into)
        .map_err(DocumentFormatError::Internal)?;
    Ok(count as usize)
 }
--- a/meilisearch-lib/src/dump/error.rs
+++ b/meilisearch-lib/src/dump/error.rs
@ -11,7 +11,7 @@ pub enum DumpError {
    #[error("An internal error has occurred. `{0}`.")]
    Internal(Box<dyn std::error::Error + Send + Sync + 'static>),
    #[error("{0}")]
-    IndexResolver(#[from] IndexResolverError),
+    IndexResolver(Box<IndexResolverError>),
 }
 internal_error!(
@ -26,6 +26,12 @@ internal_error!(
    TaskError
 );
 impl From<IndexResolverError> for DumpError {
    fn from(e: IndexResolverError) -> Self {
        Self::IndexResolver(Box::new(e))
    }
 }
 impl ErrorCode for DumpError {
    fn error_code(&self) -> Code {
        match self {
--- a/meilisearch-lib/src/dump/mod.rs
+++ b/meilisearch-lib/src/dump/mod.rs
@ -143,7 +143,7 @@ impl MetadataVersion {
    }
 }
-#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone)]
 #[serde(rename_all = "snake_case")]
 pub enum DumpStatus {
    Done,
--- a/meilisearch-lib/src/error.rs
+++ b/meilisearch-lib/src/error.rs
@ -24,7 +24,9 @@ impl ErrorCode for MilliError<'_> {
                match error {
                    // TODO: wait for spec for new error codes.
                    UserError::SerdeJson(_)
                    | UserError::InvalidLmdbOpenOptions
                    | UserError::DocumentLimitReached
                    | UserError::AccessingSoftDeletedDocument { .. }
                    | UserError::UnknownInternalDocumentId { .. } => Code::Internal,
                    UserError::InvalidStoreFile => Code::InvalidStore,
                    UserError::NoSpaceLeftOnDevice => Code::NoSpaceLeftOnDevice,
@ -32,7 +34,9 @@ impl ErrorCode for MilliError<'_> {
                    UserError::AttributeLimitReached => Code::MaxFieldsLimitExceeded,
                    UserError::InvalidFilter(_) => Code::Filter,
                    UserError::MissingDocumentId { .. } => Code::MissingDocumentId,
-                    UserError::InvalidDocumentId { .. } => Code::InvalidDocumentId,
+                    UserError::InvalidDocumentId { .. } | UserError::TooManyDocumentIds { .. } => {
                        Code::InvalidDocumentId
                    }
                    UserError::MissingPrimaryKey => Code::MissingPrimaryKey,
                    UserError::PrimaryKeyCannotBeChanged(_) => Code::PrimaryKeyAlreadyPresent,
                    UserError::SortRankingRuleMissing => Code::Sort,
--- a/meilisearch-lib/src/index/dump.rs
+++ b/meilisearch-lib/src/index/dump.rs
@ -4,7 +4,7 @@ use std::path::Path;
 use anyhow::Context;
 use indexmap::IndexMap;
-use milli::documents::DocumentBatchReader;
+use milli::documents::DocumentsBatchReader;
 use milli::heed::{EnvOpenOptions, RoTxn};
 use milli::update::{IndexDocumentsConfig, IndexerConfig};
 use serde::{Deserialize, Serialize};
@ -135,19 +135,20 @@ impl Index {
        if !empty {
            tmp_doc_file.seek(SeekFrom::Start(0))?;
-            let documents_reader = DocumentBatchReader::from_reader(tmp_doc_file)?;
+            let documents_reader = DocumentsBatchReader::from_reader(tmp_doc_file)?;
            //If the document file is empty, we don't perform the document addition, to prevent
            //a primary key error to be thrown.
            let config = IndexDocumentsConfig::default();
-            let mut builder = milli::update::IndexDocuments::new(
+            let builder = milli::update::IndexDocuments::new(
                &mut txn,
                &index,
                indexer_config,
                config,
                |_| (),
            )?;
-            builder.add_documents(documents_reader)?;
+            let (builder, user_error) = builder.add_documents(documents_reader)?;
            user_error?;
            builder.execute()?;
        }
--- a/meilisearch-lib/src/index/error.rs
+++ b/meilisearch-lib/src/index/error.rs
@ -40,6 +40,12 @@ impl ErrorCode for IndexError {
    }
 }
 impl From<milli::UserError> for IndexError {
    fn from(error: milli::UserError) -> IndexError {
        IndexError::Milli(error.into())
    }
 }
 #[derive(Debug, thiserror::Error)]
 pub enum FacetError {
    #[error("Invalid syntax for the filter parameter: `expected {}, found: {1}`.", .0.join(", "))]
--- a/meilisearch-lib/src/index/index.rs
+++ b/meilisearch-lib/src/index/index.rs
@ -4,7 +4,6 @@ use std::marker::PhantomData;
 use std::ops::Deref;
 use std::path::Path;
 use std::sync::Arc;
 use walkdir::WalkDir;
 use fst::IntoStreamer;
 use milli::heed::{CompactionOption, EnvOpenOptions, RoTxn};
@ -14,6 +13,7 @@ use serde::{Deserialize, Serialize};
 use serde_json::{Map, Value};
 use time::OffsetDateTime;
 use uuid::Uuid;
 use walkdir::WalkDir;
 use crate::index::search::DEFAULT_PAGINATION_MAX_TOTAL_HITS;
@ -245,11 +245,8 @@ impl Index {
        let fields_ids_map = self.fields_ids_map(&txn)?;
        let all_fields: Vec<_> = fields_ids_map.iter().map(|(id, _)| id).collect();
        let iter = self.all_documents(&txn)?.skip(offset).take(limit);
        let mut documents = Vec::new();
-
+        for entry in self.all_documents(&txn)?.skip(offset).take(limit) {
        for entry in iter {
            let (_id, obkv) = entry?;
            let document = obkv_to_json(&all_fields, &fields_ids_map, obkv)?;
            let document = match &attributes_to_retrieve {
@ -302,7 +299,7 @@ impl Index {
    }
    pub fn size(&self) -> u64 {
-        WalkDir::new(self.inner.path())
+        WalkDir::new(self.path())
            .into_iter()
            .filter_map(|entry| entry.ok())
            .filter_map(|entry| entry.metadata().ok())
--- a/meilisearch-lib/src/index/mod.rs
+++ b/meilisearch-lib/src/index/mod.rs
@ -1,5 +1,5 @@
 pub use search::{
-    SearchQuery, SearchResult, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER,
+    MatchingStrategy, SearchQuery, SearchResult, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER,
    DEFAULT_HIGHLIGHT_POST_TAG, DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT,
 };
 pub use updates::{apply_settings_to_builder, Checked, Facets, Settings, Unchecked};
@ -24,12 +24,12 @@ pub use test::MockIndex as Index;
 /// code for unit testing, in places where an index would normally be used.
 #[cfg(test)]
 pub mod test {
-    use std::path::Path;
+    use std::path::{Path, PathBuf};
    use std::path::PathBuf;
    use std::sync::Arc;
-    use milli::update::IndexerConfig;
+    use milli::update::{
-    use milli::update::{DocumentAdditionResult, DocumentDeletionResult, IndexDocumentsMethod};
+        DocumentAdditionResult, DocumentDeletionResult, IndexDocumentsMethod, IndexerConfig,
    };
    use nelson::Mocker;
    use uuid::Uuid;
@ -162,7 +162,7 @@ pub mod test {
            primary_key: Option<String>,
            file_store: UpdateFileStore,
            contents: impl Iterator<Item = Uuid>,
-        ) -> Result<DocumentAdditionResult> {
+        ) -> Result<Vec<Result<DocumentAdditionResult>>> {
            match self {
                MockIndex::Real(index) => {
                    index.update_documents(method, primary_key, file_store, contents)
--- a/meilisearch-lib/src/index/search.rs
+++ b/meilisearch-lib/src/index/search.rs
@ -7,7 +7,7 @@ use either::Either;
 use milli::tokenizer::TokenizerBuilder;
 use milli::{
    AscDesc, FieldId, FieldsIdsMap, Filter, FormatOptions, MatchBounds, MatcherBuilder, SortError,
-    DEFAULT_VALUES_PER_FACET,
+    TermsMatchingStrategy, DEFAULT_VALUES_PER_FACET,
 };
 use regex::Regex;
 use serde::{Deserialize, Serialize};
@ -31,7 +31,7 @@ pub const DEFAULT_HIGHLIGHT_POST_TAG: fn() -> String = || "</em>".to_string();
 /// will be able to return in one search call.
 pub const DEFAULT_PAGINATION_MAX_TOTAL_HITS: usize = 1000;
-#[derive(Deserialize, Debug, Clone, PartialEq)]
+#[derive(Deserialize, Debug, Clone, PartialEq, Eq)]
 #[serde(rename_all = "camelCase", deny_unknown_fields)]
 pub struct SearchQuery {
    pub q: Option<String>,
@ -55,6 +55,32 @@ pub struct SearchQuery {
    pub highlight_post_tag: String,
    #[serde(default = "DEFAULT_CROP_MARKER")]
    pub crop_marker: String,
    #[serde(default)]
    pub matching_strategy: MatchingStrategy,
 }
 #[derive(Deserialize, Debug, Clone, PartialEq, Eq)]
 #[serde(rename_all = "camelCase")]
 pub enum MatchingStrategy {
    /// Remove query words from last to first
    Last,
    /// All query words are mandatory
    All,
 }
 impl Default for MatchingStrategy {
    fn default() -> Self {
        Self::Last
    }
 }
 impl From<MatchingStrategy> for TermsMatchingStrategy {
    fn from(other: MatchingStrategy) -> Self {
        match other {
            MatchingStrategy::Last => Self::Last,
            MatchingStrategy::All => Self::All,
        }
    }
 }
 #[derive(Debug, Clone, Serialize, PartialEq)]
@ -91,6 +117,8 @@ impl Index {
            search.query(query);
        }
        search.terms_matching_strategy(query.matching_strategy.into());
        let max_total_hits = self
            .pagination_max_total_hits(&rtxn)?
            .unwrap_or(DEFAULT_PAGINATION_MAX_TOTAL_HITS);
--- a/meilisearch-lib/src/index/updates.rs
+++ b/meilisearch-lib/src/index/updates.rs
@ -3,7 +3,7 @@ use std::marker::PhantomData;
 use std::num::NonZeroUsize;
 use log::{debug, info, trace};
-use milli::documents::DocumentBatchReader;
+use milli::documents::DocumentsBatchReader;
 use milli::update::{
    DocumentAdditionResult, DocumentDeletionResult, IndexDocumentsConfig, IndexDocumentsMethod,
    Setting,
@ -11,7 +11,7 @@ use milli::update::{
 use serde::{Deserialize, Serialize, Serializer};
 use uuid::Uuid;
-use super::error::Result;
+use super::error::{IndexError, Result};
 use super::index::{Index, IndexMeta};
 use crate::update_file_store::UpdateFileStore;
@ -31,10 +31,10 @@ where
    .serialize(s)
 }
-#[derive(Clone, Default, Debug, Serialize, PartialEq)]
+#[derive(Clone, Default, Debug, Serialize, PartialEq, Eq)]
 pub struct Checked;
-#[derive(Clone, Default, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Default, Debug, Serialize, Deserialize, PartialEq, Eq)]
 pub struct Unchecked;
 #[cfg_attr(test, derive(proptest_derive::Arbitrary))]
@ -299,7 +299,7 @@ impl Index {
        primary_key: Option<String>,
        file_store: UpdateFileStore,
        contents: impl IntoIterator<Item = Uuid>,
-    ) -> Result<DocumentAdditionResult> {
+    ) -> Result<Vec<Result<DocumentAdditionResult>>> {
        trace!("performing document addition");
        let mut txn = self.write_txn()?;
@ -323,19 +323,31 @@ impl Index {
            indexing_callback,
        )?;
        let mut results = Vec::new();
        for content_uuid in contents.into_iter() {
            let content_file = file_store.get_update(content_uuid)?;
-            let reader = DocumentBatchReader::from_reader(content_file)?;
+            let reader = DocumentsBatchReader::from_reader(content_file)?;
-            builder.add_documents(reader)?;
+            let (new_builder, user_result) = builder.add_documents(reader)?;
            builder = new_builder;
            let user_result = match user_result {
                Ok(count) => Ok(DocumentAdditionResult {
                    indexed_documents: count,
                    number_of_documents: count,
                }),
                Err(e) => Err(IndexError::from(e)),
            };
            results.push(user_result);
        }
-        let addition = builder.execute()?;
+        if results.iter().any(Result::is_ok) {
            let addition = builder.execute()?;
            txn.commit()?;
            info!("document addition done: {:?}", addition);
        }
-        txn.commit()?;
+        Ok(results)
        info!("document addition done: {:?}", addition);
        Ok(addition)
    }
    pub fn update_settings(&self, settings: &Settings<Checked>) -> Result<()> {
--- a/meilisearch-lib/src/index_controller/mod.rs
+++ b/meilisearch-lib/src/index_controller/mod.rs
@ -275,11 +275,13 @@ impl IndexControllerBuilder {
    /// Set the index controller builder's max update store size.
    pub fn set_max_task_store_size(&mut self, max_update_store_size: usize) -> &mut Self {
        let max_update_store_size = clamp_to_page_size(max_update_store_size);
        self.max_task_store_size.replace(max_update_store_size);
        self
    }
    pub fn set_max_index_size(&mut self, size: usize) -> &mut Self {
        let size = clamp_to_page_size(size);
        self.max_index_size.replace(size);
        self
    }
@ -645,6 +647,11 @@ pub async fn get_arc_ownership_blocking<T>(mut item: Arc<T>) -> T {
    }
 }
 // Clamp the provided value to be a multiple of system page size.
 fn clamp_to_page_size(size: usize) -> usize {
    size / page_size::get() * page_size::get()
 }
 #[cfg(test)]
 mod test {
    use futures::future::ok;
@ -697,6 +704,7 @@ mod test {
            highlight_pre_tag: DEFAULT_HIGHLIGHT_PRE_TAG(),
            highlight_post_tag: DEFAULT_HIGHLIGHT_POST_TAG(),
            crop_marker: DEFAULT_CROP_MARKER(),
            matching_strategy: Default::default(),
        };
        let result = SearchResult {
--- a/meilisearch-lib/src/index_resolver/mod.rs
+++ b/meilisearch-lib/src/index_resolver/mod.rs
@ -150,25 +150,34 @@ mod real {
                    })
                    .await;
-                    let event = match result {
+                    match result {
-                        Ok(Ok(result)) => TaskEvent::Succeeded {
+                        Ok(Ok(results)) => {
-                            timestamp: OffsetDateTime::now_utc(),
+                            for (task, result) in tasks.iter_mut().zip(results) {
-                            result: TaskResult::DocumentAddition {
+                                let event = match result {
-                                indexed_documents: result.indexed_documents,
+                                    Ok(addition) => {
-                            },
+                                        TaskEvent::succeeded(TaskResult::DocumentAddition {
-                        },
+                                            indexed_documents: addition.indexed_documents,
-                        Ok(Err(e)) => TaskEvent::Failed {
+                                        })
-                            timestamp: OffsetDateTime::now_utc(),
+                                    }
-                            error: e.into(),
+                                    Err(error) => {
-                        },
+                                        TaskEvent::failed(IndexResolverError::from(error))
-                        Err(e) => TaskEvent::Failed {
+                                    }
-                            timestamp: OffsetDateTime::now_utc(),
+                                };
-                            error: IndexResolverError::from(e).into(),
+                                task.events.push(event);
-                        },
+                            }
-                    };
+                        }
-
+                        Ok(Err(e)) => {
-                    for task in tasks.iter_mut() {
+                            let event = TaskEvent::failed(e);
-                        task.events.push(event.clone());
+                            for task in tasks.iter_mut() {
                                task.events.push(event.clone());
                            }
                        }
                        Err(e) => {
                            let event = TaskEvent::failed(IndexResolverError::from(e));
                            for task in tasks.iter_mut() {
                                task.events.push(event.clone());
                            }
                        }
                    }
                }
                _ => panic!("invalid batch!"),
--- a/meilisearch-lib/src/options.rs
+++ b/meilisearch-lib/src/options.rs
@ -41,27 +41,10 @@ pub struct IndexerOpts {
 #[derive(Debug, Clone, Parser, Default, Serialize)]
 pub struct SchedulerConfig {
-    /// enable the autobatching experimental feature
+    /// The engine will disable task auto-batching,
-    #[clap(long, hide = true)]
+    /// and will sequencialy compute each task one by one.
-    pub enable_auto_batching: bool,
+    #[clap(long, env = "DISABLE_AUTO_BATCHING")]
-
+    pub disable_auto_batching: bool,
    // The maximum number of updates of the same type that can be batched together.
    // If unspecified, this is unlimited. A value of 0 is interpreted as 1.
    #[clap(long, requires = "enable-auto-batching", hide = true)]
    pub max_batch_size: Option<usize>,
    // The maximum number of documents in a document batch. Since batches must contain at least one
    // update for the scheduler to make progress, the number of documents in a batch will be at
    // least the number of documents of its first update.
    #[clap(long, requires = "enable-auto-batching", hide = true)]
    pub max_documents_per_batch: Option<usize>,
    /// Debounce duration in seconds
    ///
    /// When a new task is enqueued, the scheduler waits for `debounce_duration_sec` seconds for new updates before
    /// starting to process a batch of updates.
    #[clap(long, requires = "enable-auto-batching", hide = true)]
    pub debounce_duration_sec: Option<u64>,
 }
 impl TryFrom<&IndexerOpts> for IndexerConfig {
--- a/meilisearch-lib/src/tasks/scheduler.rs
+++ b/meilisearch-lib/src/tasks/scheduler.rs
@ -3,7 +3,6 @@ use std::collections::{hash_map::Entry, BinaryHeap, HashMap, VecDeque};
 use std::ops::{Deref, DerefMut};
 use std::slice;
 use std::sync::Arc;
 use std::time::Duration;
 use atomic_refcell::AtomicRefCell;
 use milli::update::IndexDocumentsMethod;
@ -214,7 +213,7 @@ impl TaskQueue {
        let head = self.queue.pop()?;
        let result = {
            let mut ref_head = head.borrow_mut();
-            f(&mut *ref_head)
+            f(&mut ref_head)
        };
        if !head.borrow().tasks.is_empty() {
            // After being mutated, the head is reinserted to the correct position.
@ -248,17 +247,10 @@ impl Scheduler {
    pub fn new(
        store: TaskStore,
        performers: Vec<Arc<dyn BatchHandler + Sync + Send + 'static>>,
-        mut config: SchedulerConfig,
+        config: SchedulerConfig,
    ) -> Result<Arc<RwLock<Self>>> {
        let (notifier, rcv) = watch::channel(());
        let debounce_time = config.debounce_duration_sec;
        // Disable autobatching
        if !config.enable_auto_batching {
            config.max_batch_size = Some(1);
        }
        let this = Self {
            snapshots: VecDeque::new(),
            tasks: TaskQueue::default(),
@ -275,12 +267,7 @@ impl Scheduler {
        let this = Arc::new(RwLock::new(this));
-        let update_loop = UpdateLoop::new(
+        let update_loop = UpdateLoop::new(this.clone(), performers, rcv);
            this.clone(),
            performers,
            debounce_time.filter(|&v| v > 0).map(Duration::from_secs),
            rcv,
        );
        tokio::task::spawn_local(update_loop.run());
@ -416,7 +403,7 @@ impl Scheduler {
    }
 }
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Eq)]
 pub enum Processing {
    DocumentAdditions(Vec<TaskId>),
    IndexUpdate(TaskId),
@ -497,27 +484,17 @@ fn make_batch(tasks: &mut TaskQueue, config: &SchedulerConfig) -> Processing {
                    match list.peek() {
                        Some(pending) if pending.kind == kind => {
                            // We always need to process at least one task for the scheduler to make progress.
-                            if task_list.len() >= config.max_batch_size.unwrap_or(usize::MAX).max(1)
+                            if config.disable_auto_batching && !task_list.is_empty() {
                            {
                                break;
                            }
                            let pending = list.pop().unwrap();
                            task_list.push(pending.id);
-                            // We add the number of documents to the count if we are scheduling document additions and
+                            // We add the number of documents to the count if we are scheduling document additions.
                            // stop adding if we already have enough.
                            //
                            // We check that bound only after adding the current task to the batch, so that a batch contains at least one task.
                            match pending.kind {
                                TaskType::DocumentUpdate { number }
                                | TaskType::DocumentAddition { number } => {
                                    doc_count += number;
                                    if doc_count
                                        >= config.max_documents_per_batch.unwrap_or(usize::MAX)
                                    {
                                        break;
                                    }
                                }
                                _ => (),
                            }
--- a/meilisearch-lib/src/tasks/task.rs
+++ b/meilisearch-lib/src/tasks/task.rs
@ -128,7 +128,7 @@ impl Task {
    }
 }
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 #[cfg_attr(test, derive(proptest_derive::Arbitrary))]
 pub enum DocumentDeletion {
    Clear,
--- a/meilisearch-lib/src/tasks/task_store/mod.rs
+++ b/meilisearch-lib/src/tasks/task_store/mod.rs
@ -22,11 +22,13 @@ pub use store::test::MockStore as Store;
 #[cfg(not(test))]
 pub use store::Store;
 type FilterFn = Box<dyn Fn(&Task) -> bool + Sync + Send + 'static>;
 /// Defines constraints to be applied when querying for Tasks from the store.
 #[derive(Default)]
 pub struct TaskFilter {
    indexes: Option<HashSet<String>>,
-    filter_fn: Option<Box<dyn Fn(&Task) -> bool + Sync + Send + 'static>>,
+    filter_fn: Option<FilterFn>,
 }
 impl TaskFilter {
@ -51,8 +53,8 @@ impl TaskFilter {
            .insert(index);
    }
-    pub fn filter_fn(&mut self, f: impl Fn(&Task) -> bool + Sync + Send + 'static) {
+    pub fn filter_fn(&mut self, f: FilterFn) {
-        self.filter_fn.replace(Box::new(f));
+        self.filter_fn.replace(f);
    }
 }
@ -115,7 +117,7 @@ impl TaskStore {
        match filter {
            Some(filter) => filter
                .pass(&task)
-                .then(|| task)
+                .then_some(task)
                .ok_or(TaskError::UnexistingTask(id)),
            None => Ok(task),
        }
--- a/meilisearch-lib/src/tasks/task_store/store.rs
+++ b/meilisearch-lib/src/tasks/task_store/store.rs
@ -372,9 +372,6 @@ pub mod test {
        let tasks = store.list_tasks(&txn, None, Some(filter), None).unwrap();
        assert_eq!(tasks.len(), 1);
-        assert_eq!(
+        assert_eq!(tasks.first().as_ref().unwrap().index_uid().unwrap(), "test");
            &*tasks.first().as_ref().unwrap().index_uid().unwrap(),
            "test"
        );
    }
 }
--- a/meilisearch-lib/src/tasks/update_loop.rs
+++ b/meilisearch-lib/src/tasks/update_loop.rs
@ -1,9 +1,7 @@
 use std::sync::Arc;
 use std::time::Duration;
 use time::OffsetDateTime;
 use tokio::sync::{watch, RwLock};
 use tokio::time::interval_at;
 use super::batch::Batch;
 use super::error::Result;
@ -17,20 +15,17 @@ pub struct UpdateLoop {
    performers: Vec<Arc<dyn BatchHandler + Send + Sync + 'static>>,
    notifier: Option<watch::Receiver<()>>,
    debounce_duration: Option<Duration>,
 }
 impl UpdateLoop {
    pub fn new(
        scheduler: Arc<RwLock<Scheduler>>,
        performers: Vec<Arc<dyn BatchHandler + Send + Sync + 'static>>,
        debuf_duration: Option<Duration>,
        notifier: watch::Receiver<()>,
    ) -> Self {
        Self {
            scheduler,
            performers,
            debounce_duration: debuf_duration,
            notifier: Some(notifier),
        }
    }
@ -43,11 +38,6 @@ impl UpdateLoop {
                break;
            }
            if let Some(t) = self.debounce_duration {
                let mut interval = interval_at(tokio::time::Instant::now() + t, t);
                interval.tick().await;
            };
            if let Err(e) = self.process_next_batch().await {
                log::error!("an error occurred while processing an update batch: {}", e);
            }
--- a/meilisearch-lib/src/update_file_store.rs
+++ b/meilisearch-lib/src/update_file_store.rs
@ -3,7 +3,7 @@ use std::io::{self, BufReader, BufWriter, Write};
 use std::ops::{Deref, DerefMut};
 use std::path::{Path, PathBuf};
-use milli::documents::DocumentBatchReader;
+use milli::documents::DocumentsBatchReader;
 use serde_json::Map;
 use tempfile::{NamedTempFile, PersistError};
 use uuid::Uuid;
@ -44,7 +44,8 @@ into_update_store_error!(
    PersistError,
    io::Error,
    serde_json::Error,
-    milli::documents::Error
+    milli::documents::Error,
    milli::documents::DocumentsBatchCursorError
 );
 impl UpdateFile {
@ -149,12 +150,13 @@ mod store {
            let update_file = File::open(update_file_path)?;
            let mut dst_file = NamedTempFile::new_in(&dump_path)?;
-            let mut document_reader = DocumentBatchReader::from_reader(update_file)?;
+            let (mut document_cursor, index) =
                DocumentsBatchReader::from_reader(update_file)?.into_cursor_and_fields_index();
            let mut document_buffer = Map::new();
            // TODO: we need to find a way to do this more efficiently. (create a custom serializer
            // for jsonl for example...)
-            while let Some((index, document)) = document_reader.next_document_with_index()? {
+            while let Some(document) = document_cursor.next_document()? {
                for (field_id, content) in document.iter() {
                    if let Some(field_name) = index.name(field_id) {
                        let content = serde_json::from_slice(content)?;
--- a/meilisearch-types/Cargo.toml
+++ b/meilisearch-types/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "meilisearch-types"
-version = "0.28.1"
+version = "0.29.2"
 authors = ["marin <postma.marin@protonmail.com>"]
 edition = "2021"
--- a/meilisearch-types/src/index_uid.rs
+++ b/meilisearch-types/src/index_uid.rs
@ -5,7 +5,7 @@ use std::str::FromStr;
 /// An index uid is composed of only ascii alphanumeric characters, - and _, between 1 and 400
 /// bytes long
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
 #[cfg_attr(feature = "test-traits", derive(proptest_derive::Arbitrary))]
 pub struct IndexUid(
    #[cfg_attr(feature = "test-traits", proptest(regex("[a-zA-Z0-9_-]{1,400}")))] String,
--- a/permissive-json-pointer/Cargo.toml
+++ b/permissive-json-pointer/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "permissive-json-pointer"
-version = "0.28.1"
+version = "0.29.2"
 edition = "2021"
 description = "A permissive json pointer"
 readme = "README.md"
--- a/permissive-json-pointer/src/lib.rs
+++ b/permissive-json-pointer/src/lib.rs
@ -49,7 +49,7 @@ fn contained_in(selector: &str, key: &str) -> bool {
 /// map_leaf_values(
 ///     value.as_object_mut().unwrap(),
 ///     ["jean.race.name"],
-///     |key, value| match (value, dbg!(key)) {
+///     |key, value| match (value, key) {
 ///         (Value::String(name), "jean.race.name") => *name = "patou".to_string(),
 ///         _ => unreachable!(),
 ///     },
@ -729,7 +729,7 @@ mod tests {
        map_leaf_values(
            value.as_object_mut().unwrap(),
            ["jean.race.name"],
-            |key, value| match (value, dbg!(key)) {
+            |key, value| match (value, key) {
                (Value::String(name), "jean.race.name") => *name = S("patou"),
                _ => unreachable!(),
            },