Update changelog

CHANGELOG.md

@@ -7,25 +7,36 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## Unreleased
 
 ### Added
-- WasmWasi target
 
 ### Changed
-- Kotlin 2.3.0
-- Maturity moved to kscience extension.
-- Readme extension now requires kscience extension.
-- Project plugin overhaul (not only publish)
-- ABI validation is configurable from the root project
 
 ### Deprecated
 
 ### Removed
 
 ### Fixed
-- Context parameter flag
-- Deploy problem with opensavvy-resources
 
 ### Security
 
+## 0.20.2-kotlin-2.3.0 - 2025-12-17
+
+### Added
+
+- WasmWasi target
+
+### Changed
+
+- Kotlin 2.3.0
+- Maturity moved to kscience extension.
+- Readme extension now requires kscience extension.
+- Project plugin overhaul (not only publish)
+- ABI validation is configurable from the root project
+
+### Fixed
+
+- Context parameter flag
+- Deploy problem with opensavvy-resources
+
 ## 0.19.0-kotlin-2.2.0 - 2025-07-24
 
 ### Changed
@@ -45,7 +56,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `fullStackApplication` configuration. Replaced by optional field in `fullStack`
 - Jupyter integration
 
-## 0.17.x
+## 0.17.0
 
 ### Added