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+# Changelog
+
+## 0.13.0 (2021-10-05)
+
+### Features
+
+* Port to OCaml 4.12 ([#408](https://www.github.com/ocaml-sf/learn-ocaml/issues/408)) ([34f04af](https://github.com/ocaml-sf/learn-ocaml/commit/34f04af5e0725e524d73d34d6b2b83b25d2777ed))
+* Relax the client/server coupling & Add support for API versioning ([#426](https://www.github.com/ocaml-sf/learn-ocaml/issues/426)) ([3113861](https://www.github.com/ocaml-sf/learn-ocaml/commit/31138615d1566f5cd7b7d63484bfe5434a47258c))
+* Make server version available to front-ends (`learn-ocaml-client` & `learn-ocaml.el`) ([#429](https://github.com/ocaml-sf/learn-ocaml/pull/429)) ([d607281](https://github.com/ocaml-sf/learn-ocaml/commit/d607281bc7ee6f85fb86c1f242a70a2dc6c7020a))
+* Generate static binaries directly from a GitHub Action (Linux, macOS) ([#391](https://github.com/ocaml-sf/learn-ocaml/pull/391)) ([ff9f091](https://github.com/ocaml-sf/learn-ocaml/commit/ff9f091d4af8110bed76c02afcfba66d13f17374))
+* Make the prelude available in description page ([#393](https://www.github.com/ocaml-sf/learn-ocaml/issues/393)) ([51ed717](https://www.github.com/ocaml-sf/learn-ocaml/commit/51ed717fb5224aeb53c55b666019d10ceaeb68b6))
+* Improve description entrypoint ([#423](https://www.github.com/ocaml-sf/learn-ocaml/issues/423)) ([a825d7e](https://www.github.com/ocaml-sf/learn-ocaml/commit/a825d7ed515fc9cc0dbd74513e902c5f8f828fc1))
+* Add a ppx facility to test expressions ([#403](https://github.com/ocaml-sf/learn-ocaml/pull/403)) ([526bc07](https://github.com/ocaml-sf/learn-ocaml/commit/526bc07f47f88d777145c5cb52c97b0456bc4e67))
+* Make `find_binding` match annotated declarations ([#425](https://github.com/ocaml-sf/learn-ocaml/pull/425)) ([b277b38](https://github.com/ocaml-sf/learn-ocaml/commit/b277b38167c079f506e3801e7fea36b61f63f710))
+* **UI:** Discourage redundant token creation from users ([#410](https://github.com/ocaml-sf/learn-ocaml/pull/410)) ([83630d5](https://github.com/ocaml-sf/learn-ocaml/commit/83630d5fc82f63e1c533a1d5b48e1e854deb7918))
+* **UI:** Move the toplevel buttons to the bottom-right ([#409](https://github.com/ocaml-sf/learn-ocaml/pull/409)) ([90066d0](https://github.com/ocaml-sf/learn-ocaml/commit/90066d0fb2ec468d0a211b371f44c59b7ebe4108))
+* **UI:** Reset the toplevel every time before evaluating code from the editor ([#411](https://github.com/ocaml-sf/learn-ocaml/pull/411)) ([65ce0c42](https://github.com/ocaml-sf/learn-ocaml/commit/65ce0c42ef2075458f82c5063254b4fe68b641d0))
+* **UI:** Improve UX for clickable logo ([#389](https://github.com/ocaml-sf/learn-ocaml/pull/389)) ([c406219](https://www.github.com/ocaml-sf/learn-ocaml/commit/c4062194ce23b14b3fb87198dff3ac6ef53a8ece))
+* Add support for exercise code reuse ([#320](https://github.com/ocaml-sf/learn-ocaml/pull/320)) ([42d8127](https://github.com/ocaml-sf/learn-ocaml/commit/42d81279916c70528b42cf0af7eec01cf1adcbcb))
+* Add VG in toplevel and exercises ([#352](https://github.com/ocaml-sf/learn-ocaml/pull/352)) ([1add7ba](https://github.com/ocaml-sf/learn-ocaml/commit/1add7babae8a899d066b61122bfe08212bcf4a28)) 
+
+
+### Bug Fixes
+
+* **CI:** Use OCaml 4.12.1 ([d5ece9b](https://www.github.com/ocaml-sf/learn-ocaml/commit/d5ece9b933bbd0b3dce879f397e1d9929a92bdfb))
+* Blacklist jsoo version 3.10.0 ([#420](https://github.com/ocaml-sf/learn-ocaml/pull/420)) ([2696f86](https://github.com/ocaml-sf/learn-ocaml/commit/2696f86f4dad94d6b8645ee1ea2eb416f35e1a80))
+* **.ci-macosx.sh:** Avoid `{ set -e; c1 && c2; }` bug & Improve script ([17a6703](https://www.github.com/ocaml-sf/learn-ocaml/commit/17a6703c1d4d2a59d4c0dcb78328f29cfd057add))
+* **.ci-macosx.sh:** Install openssl ([0a30b4f](https://www.github.com/ocaml-sf/learn-ocaml/commit/0a30b4fe982bd16131c48b555a2072fbd8f2b277))
+* **dune:** Avoid ANSI char issues in `opam show … > VERSION` ([#394](https://github.com/ocaml-sf/learn-ocaml/pull/394)) ([b72fa6c](https://www.github.com/ocaml-sf/learn-ocaml/commit/b72fa6c3047e997bdc513c9957951458cd702e39))
+* **UI:** Fix the display of UTF-8 characters in the code editor ([#412](https://github.com/ocaml-sf/learn-ocaml/pull/412)) ([debb635](https://github.com/ocaml-sf/learn-ocaml/commit/debb635f216016372a44b4e18d97b72296038691))
+* **omd:** Update the markdown-to-html transformation so links open a new tab ([#392](https://github.com/ocaml-sf/learn-ocaml/pull/392)) ([e0e3f2f](https://github.com/ocaml-sf/learn-ocaml/commit/e0e3f2fe13884bd2482bbe26f78b69048f910532))
+* **omd:** Update `override`_url to avoid escape characters problems in URL ([1e87190](https://www.github.com/ocaml-sf/learn-ocaml/commit/1e87190a9de73136dca0b7032267e0f8c2c066e5))
+* Fix static deployment ([#356](https://github.com/ocaml-sf/learn-ocaml/pull/356)) ([1332c6e](https://github.com/ocaml-sf/learn-ocaml/commit/1332c6ecb693dc737f835ea201adb7079b5350af))
+* Fix & Document static deployment CLI support ([#368](https://github.com/ocaml-sf/learn-ocaml/pull/368)) ([3cc2533](https://github.com/ocaml-sf/learn-ocaml/commit/3cc2533986a608c12108f4feb5fa1754fa9e5a89))
+* Fix learn-ocaml-client regression after PR [#320](https://github.com/ocaml-sf/learn-ocaml/pull/320) ([#397](https://github.com/ocaml-sf/learn-ocaml/pull/397)) ([5b16c92](https://github.com/ocaml-sf/learn-ocaml/commit/5b16c92392ac587e2aea5c0f9fb70bb16fe9ba68))
+* Better error message for `X-TOKEN` registration ([#406](https://github.com/ocaml-sf/learn-ocaml/pull/406)) ([e27415c](https://www.github.com/ocaml-sf/learn-ocaml/commit/e27415cf67ba4c976f96067fd1d201999b7692af))
+* **CI:** Add custom, curl-based `wait_for_it` ([d910a6e](https://www.github.com/ocaml-sf/learn-ocaml/commit/d910a6e5779133c82a0aebb1cf16c11a019eeef0))
+* **Docker:** Fix runtime error in Docker packaging ([a697edf](https://www.github.com/ocaml-sf/learn-ocaml/commit/a697edfd44b6d8fdbfc935ad04533de5627022ab))
+* **CI:** Bump alpine version & Use `ocaml/opam` instead of `ocaml/opam2` ([7766698](https://www.github.com/ocaml-sf/learn-ocaml/commit/7766698707759739f3893173aa3b876540c344c4))
+* **CI:** Workaround the static-bin-macos failure ([#431](https://www.github.com/ocaml-sf/learn-ocaml/issues/431)) ([064dafd](https://www.github.com/ocaml-sf/learn-ocaml/commit/064dafd20d2ec12042f7ddcddaf8549b14176fd6))
+* Use HTML5 Doctype ([fe0fe8b](https://www.github.com/ocaml-sf/learn-ocaml/commit/fe0fe8b983b722c685c34aa3f238e46a30dfb17b))
+
+
+### Performance Improvements
+
+* Remove redundant build step ([2b3f25b](https://www.github.com/ocaml-sf/learn-ocaml/commit/2b3f25b1a68fc21321c3cc044b334717304475e5))
+* **Learnocaml_main:** Remove unneeded `Markup.pretty_print` ([e5ce820](https://www.github.com/ocaml-sf/learn-ocaml/commit/e5ce82078f2f5d2663022d9a2dae682601399dda))
+
+
+### Tests
+
+* **runtests.sh:** Improve the script & Fix all shellcheck issues ([5f4a6ac](https://www.github.com/ocaml-sf/learn-ocaml/commit/5f4a6ac1ea8ec8b0120896a2e89afb88dadb91cb))
+
+
+### Continuous Integration
+
+* CI/CD using GitHub Actions ([#361](https://github.com/ocaml-sf/learn-ocaml/pull/361)) ([bcecadd](https://github.com/ocaml-sf/learn-ocaml/commit/bcecadd9c01e3ee058a4c944e71af31019e48c78))
+* **GHA:** Add a weekly build `https://crontab.guru/#0_8_*_*_6` ([63903f2](https://github.com/ocaml-sf/learn-ocaml/commit/63903f277e6eaa1b08580cbf4e0bb289996f85de))
+* **GHA:** Enable cron build for `static-builds.yml` ([6478085](https://github.com/ocaml-sf/learn-ocaml/commit/6478085d72e575e368be50d4b45fc12ab4fa25a2))
+* **GHA:** Deploy `ocamlsf/emacs-learn-ocaml-client:{master,$tags}` ([#433](https://github.com/ocaml-sf/learn-ocaml/pull/433)) ([dce8f00](https://github.com/ocaml-sf/learn-ocaml/commit/dce8f00ffcb42f2ac9d6bae08400c8b3ba6872d1))
+* **GHA:** Ensure the uploaded artifacts are single `.tar.gz` files ([#432](https://github.com/ocaml-sf/learn-ocaml/pull/432)) ([adbb063](https://github.com/ocaml-sf/learn-ocaml/commit/adbb063e3087ff2d7c3cc04ec26d1b9bf5acc0dd))
+* **release.yml:** Add a (3 jobs)-based GHA using release-please ([#434](https://www.github.com/ocaml-sf/learn-ocaml/issues/434)) ([7e389ef](https://www.github.com/ocaml-sf/learn-ocaml/commit/7e389ef22842e95e1b3f4364c19cf657a53ebf01))
+
+
+### Documentation
+
+* Document student answers classification ([#421](https://github.com/ocaml-sf/learn-ocaml/pull/421)) ([9b1a551](https://github.com/ocaml-sf/learn-ocaml/commit/9b1a55160b5732d0d0125035c841f979286ae7cd))
+* Fix docs issue [#399](https://www.github.com/ocaml-sf/learn-ocaml/issues/399) and unify the markdown syntax ([276dac9](https://www.github.com/ocaml-sf/learn-ocaml/commit/276dac96c8d538a97e628e77b162c49642ae519a))
+* Make accessible the documentation generated by `odoc` ([#404](https://github.com/ocaml-sf/learn-ocaml/pull/404)) ([e10975f](https://github.com/ocaml-sf/learn-ocaml/commit/e10975fdf5a4f31594f946e0fd00fc6995ba630b))
+* **docs/index.md:** Update docker badges & ocaml-sf URL ([7fce8a1](https://www.github.com/ocaml-sf/learn-ocaml/commit/7fce8a1a93deeef69495bdde98a8a504ccb54b17))
+* **readme:** s/HTTP/HTTPS/ ([193df99](https://www.github.com/ocaml-sf/learn-ocaml/commit/193df99160ea834b46bafbf82efceb7f6cf64a2e))
+* **UI:** Improve text details ([#428](https://github.com/ocaml-sf/learn-ocaml/pull/428)) ([017f049](https://github.com/ocaml-sf/learn-ocaml/commit/017f04960fc1cf7b11f641869082f13556a7c809))
+
+### Miscellaneous Chores
+
+* release 0.13.0 ([f6b3b26](https://www.github.com/ocaml-sf/learn-ocaml/commit/f6b3b2652c8b8cfdc30bb86514f532f5901c660f))