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+## 21.11.2021
+- Fixing bugs in UI.
+- Optimizing performance of endpoint for fetching exercises.
+
+## 14.11.2021
+- Adding deadline to shadow assignments.
+- Group tree views refactored and improved.
+- New form for awarding shadow assignment points to multiple students simultaneously added.
+- New scheduled async job that notifies users about new assignments which have exact date from which they are visible.
+- Various bug fixes and ux improvements
+
+## 10.10.2021
+- Fixing bugs
+- Improving UI and UX
+- Preventing users with not validated mails from receiving notifications
+
+## 3.10.2021
+- Fixing bugs and addressing early feedback from users on the last major update.
+
+## 26.9.2021 - **Major release 2.0**
+
+> Major version change denotes a larger leap forward and marks a milestone in development. However, we are not strictly bound with semantic versioning here. Furthermore, the development does not stop here, we still have long road ahead...
+
+The major release and migration change is summarized on [[a separate page|Major Release: ReCodEx 2.0]].
+
+## 27.3.2021
+- CAS/LDAP registration and authentication delegated to external authentication adapter-application.
+
+## 3.3.2021
+
+- Fixning minor bugs and making adjustments in access control.
+- Supervisor can read complete configuration of an exercise he/she may assign.
+
+## 3.2.2021
+
+- Upgrading to API Core Nette 3.1 (+ subsequent upgrades of relevant libs)
+- Switching from kdyby/doctrine to nettrine doctrine integration (requires minor adjustment of existing core-api config files!)
+- Redesign of SIS Integration page and improvements were made in its API
+- New Arduino environment support
+- Various ux improvements, added missing labels and comments
+- Many bugs fixed (especially a nasty one in SSR)
+- Two security issues resolved in worker (symlinks exploit and correct application of disk quotas)
+
+
+# Compatibility Table
+
+| Date | [web-app](https://github.com/ReCodEx/web-app/releases) | [core-api](https://github.com/ReCodEx/api/releases) | [worker](https://github.com/ReCodEx/worker/releases) | [broker](https://github.com/ReCodEx/broker/releases) | [monitor](https://github.com/ReCodEx/monitor/releases) | [cleaner](https://github.com/ReCodEx/cleaner/releases) |
+| --- |:---:|:---:|:---:|:---:|:---:|:---:|
+| 21.11.2021    |  v2.1.1  |  v2.1.1  |  v1.7.3  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
+| 14.11.2021    |  v2.1.0  |  v2.1.0  |  v1.7.3  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
+| 10.10.2021    |  v2.0.2  |  v2.0.2  |  v1.7.3  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
+| 3.10.2021     |  v2.0.1  |  v2.0.1  |  v1.7.3  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
+| 26.9.2021     |  v2.0.0  |  v2.0.0  |  v1.7.3  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
+| 27.3.2021     |  v1.26.0 |  v1.26.0 |  v1.7.2  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
+| 3.3.2021      |  v1.25.1 |  v1.25.1 |  v1.7.2  |  v1.3.0  |  v1.0.0  |  v1.1.0  |
+| 3.2.2021      |  v1.25.0 |  v1.25.0 |  v1.7.2  |  v1.3.0  |  v1.0.0  |  v1.1.0  |