Update Change Log

Author: oleibman

CHANGELOG.md

@@ -17,15 +17,17 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ### Deprecated
 
-- Nothing yet.
+- IREADER::SKIP_EMPTY_CELLS - use its alias IGNORE_EMPTY_CELLS instead.
 
 ### Moved
 
 - Nothing yet.
 
 ### Fixed
 
-- Nothing yet.
+- Xls Writer Condtional Rules Applied to Whole Rows or Columns. [Issue #3185](https://github.com/PHPOffice/PhpSpreadsheet/issues/3185) [PR #4152](https://github.com/PHPOffice/PhpSpreadsheet/pull/4152)
+- Xlsx Writer Duplicate ContentTypes Entry for Background Image. [Issue #4179](https://github.com/PHPOffice/PhpSpreadsheet/issues/4179) [PR #4180](https://github.com/PHPOffice/PhpSpreadsheet/pull/4180)
+- Check strictNullComparison outside of loops. [PR #3347](https://github.com/PHPOffice/PhpSpreadsheet/pull/3347)
 
 ## 2024-09-29 - 3.3.0 (no 3.0.\*, 3.1.\*, 3.2.\*)