Provided changelog for kotlinx-metadata-jvm 0.9.0

libraries/kotlinx-metadata/jvm/ChangeLog.md

@@ -1,5 +1,16 @@
 # kotlinx-metadata-jvm
 
+## 0.9.0
+
+The main purpose of this release is to promote all previous deprecations to ERROR level if they were not already.
+Please refer to the [migration guide](Migration.md) if you are using deprecated functions.
+Also, this release includes several bugfixes. It still uses Kotlin 1.9, but is able to read or write metadata of version 2.0.
+
+- Add missing documentation to `KmVersionRequirement.toString`
+- Raise all deprecations in kotlinx-metadata-jvm to ERROR ([KT-63157](https://youtrack.jetbrains.com/issue/KT-63157))
+- Do not allow writing metadata versions that are too high ([KT-64230](https://youtrack.jetbrains.com/issue/KT-64230))
+- Add `KmVersionRequirementKind.UNKNOWN` ([KT-60870](https://youtrack.jetbrains.com/issue/KT-60870))
+
 ## 0.8.0
 
 This release concludes our API overhaul: it features last significant API changes, as well as raised deprecations to ERROR level almost everywhere.

libraries/kotlinx-metadata/jvm/Migration.md

@@ -3,7 +3,7 @@
 Starting with 0.6.0 release, Kotlin team is focused on revisiting and improving kotlinx-metadata-jvm API, with an aim to provide a stable release
 in the near future. As a result, the API was reshaped, with cuts here and there, so we've provided a migration guide to help you with updates.
 
-## Migrating from 0.7.0 to 0.8.0
+## Migrating from 0.7.0 to 0.8.0 and above
 
 ### Choosing between read methods