CHANGELOG.md in deepl-rb-3.0.2 vs CHANGELOG.md in deepl-rb-3.1.0

@@ -3,10 +3,20 @@
 
 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).
 
 
+## [3.1.0]
+### Added
+* Added `model_type` option to `translate()` to use models with higher
+  translation quality (available for some language pairs), or better latency.
+  Options are `'quality_optimized'`, `'latency_optimized'`, and  `'prefer_quality_optimized'`
+* Added the `model_type_used` field to the `translate()` response, that
+  indicates the translation model used when the `model_type` option is
+  specified.
+
+
 ## [3.0.2] - 2024-10-02
 ### Added
 * Added doc example and tests for context parameter
 ### Fixed
 * Fix metadata displayed on RubyGems.org for this library.
@@ -39,9 +49,10 @@
 ## [2.5.3] - 2022-09-26
 ### Fixed
 * Make RequestEntityTooLarge error message more clear
 
 
+[3.1.0]: https://github.com/DeepLcom/deepl-rb/compare/v3.0.2...v3.1.0
 [3.0.2]: https://github.com/DeepLcom/deepl-rb/compare/v3.0.1...v3.0.2
 [3.0.1]: https://github.com/DeepLcom/deepl-rb/compare/v3.0.0...v3.0.1
 [3.0.0]: https://github.com/DeepLcom/deepl-rb/compare/v2.5.3...v3.0.0
 [2.5.3]: https://github.com/DeepLcom/deepl-rb/compare/v2.5.2...v2.5.3