REL: 6.12.1

## What's new

### Security (SEC)
- Limit input size and element count for XMP metadata (#3796) by @stefan6419846

### Robustness (ROB)
- Prevent cyclic parent hierarchies for inherited dictionaries (#3795) by @stefan6419846
- Deal with invalid first code in LZW decoder (#3794) by @stefan6419846

[Full Changelog](6.12.0...6.12.1)

Author: stefan6419846

CHANGELOG.md

@@ -1,5 +1,16 @@
 # CHANGELOG
 
+## Version 6.12.1, 2026-05-22
+
+### Security (SEC)
+- Limit input size and element count for XMP metadata (#3796)
+
+### Robustness (ROB)
+- Prevent cyclic parent hierarchies for inherited dictionaries (#3795)
+- Deal with invalid first code in LZW decoder (#3794)
+
+[Full Changelog](https://github.com/py-pdf/pypdf/compare/6.12.0...6.12.1)
+
 ## Version 6.12.0, 2026-05-21
 
 ### Security (SEC)

pypdf/_version.py

@@ -1 +1 @@
-__version__ = "6.12.0"
+__version__ = "6.12.1"