Update CHANGELOG.md

Author: vearutop

Diff for: CHANGELOG.md

@@ -4,6 +4,11 @@ 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).
 
+## [3.9.0] - 2022-08-29
+
+### Added
+- Specific exception type `PatchTestOperationFailedException` for failed test operation.
+
 ## [3.8.3] - 2021-09-25
 
 ### Fixed
@@ -69,6 +74,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Compatibility option to `TOLERATE_ASSOCIATIVE_ARRAYS` that mimic JSON objects.
 
+[3.8.4]: https://github.com/swaggest/json-diff/compare/v3.8.3...v3.8.4
 [3.8.3]: https://github.com/swaggest/json-diff/compare/v3.8.2...v3.8.3
 [3.8.2]: https://github.com/swaggest/json-diff/compare/v3.8.1...v3.8.2
 [3.8.1]: https://github.com/swaggest/json-diff/compare/v3.8.0...v3.8.1