1.5.0 (#12239)

* Add release entry for 1.4.0

* Add blank entry for 1.5.0

* Bump version to 1.5.0 dev

CHANGELOG.md

@@ -5,7 +5,17 @@ All major notable changes to this project will be documented in this file (start
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased - YYYY-MM-DD
+## Unreleased - xxxx.xx.xx
+
+### Breaking Changes
+
+### Added
+
+### Changed
+
+### Removed
+
+## 1.4.0 - 2026-06-24
 
 ### Breaking Changes