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 <!-- markdownlint-disable MD024 MD034 -->
 
+## [v1.4.0](https://github.com/FerretDB/FerretDB/releases/tag/v1.4.0) (2023-06-19)
+
+### New Features 🎉
+
+- Implement `$type` aggregation operator by @noisersup in https://github.com/FerretDB/FerretDB/pull/2789
+- Implement `$unset` aggregation pipeline stage by @shibasisp in https://github.com/FerretDB/FerretDB/pull/2676
+- Implement simple `$addFields/$set` aggregation pipeline stages by @shibasisp in https://github.com/FerretDB/FerretDB/pull/2783
+- Implement `createIndexes` for unique indexes by @w84thesun in https://github.com/FerretDB/FerretDB/pull/2814
+
+### Documentation 📄
+
+- Add blog post for FerretDB v1.3.0 by @Fashander in https://github.com/FerretDB/FerretDB/pull/2791
+- Add `release` tag to release blog post by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2792
+- Add textlint rules for en dashes and em dashes by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2823
+- Add Blog Post on Document Databases by @Fashander in https://github.com/FerretDB/FerretDB/pull/2204
+- Add user documentation about unique index creation by @rumyantseva in https://github.com/FerretDB/FerretDB/pull/2856
+
+### Other Changes 🤖
+
+- Make `testutil.Logger` easier to use by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2790
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2798
+- Refactor SQLite handler by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2731
+- Merge test workflows to fix coverage calculation by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2801
+- Improve `testDistinctCompat` by @noisersup in https://github.com/FerretDB/FerretDB/pull/2782
+- Use iterator in `$sum` aggregation accumulator by @chilagrow in https://github.com/FerretDB/FerretDB/pull/2799
+- Bump Go to 1.20.5 by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2810
+- Fix free monitoring tests for MongoDB 6.0.6 by @jeremyphua in https://github.com/FerretDB/FerretDB/pull/2784
+- Bump MongoDB to 6.0.6 by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2727
+- Bump MongoDB Go driver by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2817
+- Implement `envtool tests shard` command by @kropidlowsky in https://github.com/FerretDB/FerretDB/pull/2773
+- Check error message in non compat integration tests by @chilagrow in https://github.com/FerretDB/FerretDB/pull/2806
+- Shard integration tests by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2820
+- Describe current test naming conventions in the contributing guidelines by @rumyantseva in https://github.com/FerretDB/FerretDB/pull/2821
+- Add tests for `find`/`getMore` `batchSize` by @chilagrow in https://github.com/FerretDB/FerretDB/pull/2825
+- Add more test cases for index validation by @rumyantseva in https://github.com/FerretDB/FerretDB/pull/2752
+- Fix running single test with `task` by @w84thesun in https://github.com/FerretDB/FerretDB/pull/2832
+- Refactor `getWholeParamStrict` and `GetScaleParam` functions by @w84thesun in https://github.com/FerretDB/FerretDB/pull/2831
+- Prevent tests deadlock when backend is down by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2846
+- Fix `unimplemented-non-default` tag usages by @w84thesun in https://github.com/FerretDB/FerretDB/pull/2848
+- Bump deps by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2849
+- Add more tests for `$set` and `$addFields` aggregation stages by @chilagrow in https://github.com/FerretDB/FerretDB/pull/2844
+- Improve benchmarks by @AlekSi in https://github.com/FerretDB/FerretDB/pull/2833
+- Handle `$type` aggregation operator errors properly by @noisersup in https://github.com/FerretDB/FerretDB/pull/2829
+
+## New Contributors
+
+- @shibasisp made their first contribution in https://github.com/FerretDB/FerretDB/pull/2676
+
+[All closed issues and pull requests](https://github.com/FerretDB/FerretDB/milestone/44?closed=1).
+[All commits](https://github.com/FerretDB/FerretDB/compare/v1.3.0...v1.4.0).
+
 ## [v1.3.0](https://github.com/FerretDB/FerretDB/releases/tag/v1.3.0) (2023-06-05)
 
 ### New Features 🎉