CHANGELOG.md update

Author: bnasslahsen

CHANGELOG.md

@@ -5,6 +5,23 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.8.12] - 2025-09-01
+
+### Changed
+
+- Upgrade swagger-ui to v5.28.0
+- Upgrade commons-lang3 to v3.18.0
+
+### Fixed
+
+- #3073 - Duplicate key class Parameter when documenting two GET methods with same path and PathVariable.
+- #3071 - @io.swagger.v3.oas.annotations.parameters.RequestBody does not work well with @RequestPart
+- #3066 - Parameter is now required after upgrading to springdoc-openapi 2.8.10
+
+## [3.0.0-M1] - 2025-08-20
+
+### Added
+- #3062 - Add Spring Boot 4.0.0-M2 support
 
 ## [2.8.10] - 2025-08-20