update changelog (#21387)

Author: deependujha

src/lightning/fabric/CHANGELOG.md

@@ -5,21 +5,27 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 
-## [unreleased] - YYYY-MM-DD
+## [Unreleased] - YYYY-MM-DD
 
 ### Added
 
-- Added kwargs-filtering for `Fabric.call` to support different callback method signatures ([#21258](https://github.com/Lightning-AI/pytorch-lightning/pull/21258))
+-
 
+### Changed
+
+-
 
 ### Removed
 
 -
 
 
----
+## [2.6.0] - 2025-11-28
+
+### Added
+
+- Added kwargs-filtering for `Fabric.call` to support different callback method signatures ([#21258](https://github.com/Lightning-AI/pytorch-lightning/pull/21258))
 
-## [2.6.0] - 2025-11-21
 
 ### Changed
 

src/lightning/pytorch/CHANGELOG.md

@@ -6,7 +6,22 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ---
 
-## [2.6.0] - 2025-11-21
+## [Unreleased] - YYYY-MM-DD
+
+### Added
+
+-
+
+### Changed
+
+-
+
+### Removed
+
+-
+
+
+## [2.6.0] - 2025-11-28
 
 ### Added