Add ChangeLog for 2.2.20-RC2

Author: woainikk

ChangeLog.md

@@ -1,3 +1,27 @@
+## 2.2.20-RC2
+
+### Backend. Wasm
+
+- [`KT-80106`](https://youtrack.jetbrains.com/issue/KT-80106) devServer in Kotlin/Wasm overwrites defaults, causing missing static paths
+
+### Compiler
+
+- [`KT-80285`](https://youtrack.jetbrains.com/issue/KT-80285) IJ monorepo: broken compilation after 2.2.20-RC update
+- [`KT-79816`](https://youtrack.jetbrains.com/issue/KT-79816) Java Interfaces implemented by delegation have non-null return checks
+
+### Native. C and ObjC Import
+
+- [`KT-79571`](https://youtrack.jetbrains.com/issue/KT-79571) Xcode 26 beta 4: CInteropKT39120TestGenerated.testForwardEnum failed
+
+### Tools. Gradle
+
+- [`KT-80172`](https://youtrack.jetbrains.com/issue/KT-80172) Error message changes depending on the order of applying 'org.jetbrains.kotlin.android' and 'AGP' 9.0+ with built-in Kotlin plugin
+
+### Tools. Gradle. Native
+
+- [`KT-74864`](https://youtrack.jetbrains.com/issue/KT-74864) Enable exporting KDocs by default to ObjC
+
+
 ## 2.2.20-RC
 
 ### Backend. Wasm