REL: 5.6.1

## What's new

### New Features (ENH)
- Add PDF/A XMP metadata support (#3314) by @Arya-A-Nair

### Robustness (ROB)
- Deal with annotations not being lists on merge (#3321) by @stefan6419846
- Handle NullObject for cmap encoding Differences entry (#3317) by @stefan6419846

### Developer Experience (DEV)
- Update ruff to 0.12.0 (#3316) by @stefan6419846

[Full Changelog](5.6.0...5.6.1)

Author: stefan6419846

CHANGELOG.md

@@ -1,5 +1,19 @@
 # CHANGELOG
 
+## Version 5.6.1, 2025-06-22
+
+### New Features (ENH)
+- Add PDF/A XMP metadata support (#3314)
+
+### Robustness (ROB)
+- Deal with annotations not being lists on merge (#3321)
+- Handle NullObject for cmap encoding Differences entry (#3317)
+
+### Developer Experience (DEV)
+- Update ruff to 0.12.0 (#3316)
+
+[Full Changelog](https://github.com/py-pdf/pypdf/compare/5.6.0...5.6.1)
+
 ## Version 5.6.0, 2025-06-01
 
 ### New Features (ENH)

pypdf/_version.py

@@ -1 +1 @@
-__version__ = "5.6.0"
+__version__ = "5.6.1"