Update CHANGELOG.md

CHANGELOG.md

@@ -5,12 +5,19 @@ 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).
 
+## Unreleased
+
+### Changed
+
+### Fixed
+
+
 ## [3.9.9] - 2023-11-14
 
 ### Changed
 
 - Upgraded [sqlglot](https://github.com/tobymao/sqlglot) to versions >= 13.0.0 ([#1642](https://github.com/moj-analytical-services/splink/pull/1642))
-- Improved logging output from settings validation ([#1636](https://github.com/moj-analytical-services/splink/pull/1636))
+- Improved logging output from settings validation ([#1636](https://github.com/moj-analytical-services/splink/pull/1636)) and corresponding documentation ([#1674](https://github.com/moj-analytical-services/splink/pull/1674))
 - Emit a warning when using a default (i.e. non-trained) value for `probability_two_random_records_match` ([#1653](https://github.com/moj-analytical-services/splink/pull/1653))
 
 ### Fixed
@@ -19,6 +26,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed issue where comparison vector grid not synced with corresponding histogram values in comparison viewer dashboard ([#1652](https://github.com/moj-analytical-services/splink/pull/1652))
 - Fixed issue where composing null levels would mistakenly sometimes result in a non-null level ([#1672](https://github.com/moj-analytical-services/splink/pull/1672))
 - Labelling tool correctly works even when offline ([#1646](https://github.com/moj-analytical-services/splink/pull/1646))
+- Explicitly cast values when using the postgres linker ([#1693](https://github.com/moj-analytical-services/splink/pull/1693))
+- Fixed issue where parameters to `completeness_chart` were not being applied ([#1662](https://github.com/moj-analytical-services/splink/pull/1662))
+- Fixed issue passing boto3_session into the Athena linker ([#1733](https://github.com/moj-analytical-services/splink/pull/1733/files))
 
 ## [3.9.8] - 2023-10-05
 
@@ -38,3 +48,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 [unreleased]: https://github.com/moj-analytical-services/splink/compare/3.9.9...HEAD
 [3.9.9]: https://github.com/moj-analytical-services/splink/compare/v3.9.8...3.9.9
+[3.9.8]: https://github.com/moj-analytical-services/splink/compare/v3.9.7...v3.9.8