Version 6.21.4, 2026-10-28

What's new

Security (SEC)

• Limit the number of copied page attributes during flattening (#4290) by @stefan6419846
• Detect EOF when reading standard xref table trailer (#4289) by @stefan6419846
• Fix loop detection when cloning DictionaryObject (#4288) by @stefan6419846

Documentation (DOC)

• Exclude performance issues from security reports (#4280) by @stefan6419846

Full Changelog