v2.91.0

Feature

• docx: Extract VML images with v:imagedata elements (#3343) (2ddaa3b)

Fix

• Strengthen input validation for METS‑GBS processing (#3336) (c1dbac2)
• EasyOCR model downloading (#3339) (5e161ac)
• vlm: Remove bogus preamble from VLM chat template (#3351) (c190ba2)
• html: Refine image URL and size handling (#3348) (cd0cb69)
• Fixes to html_backend (#3342) (9813190)
• pptx: Assign pptx notes to ContentLayer.NOTES (#3341) (3a3c8f6)
• Prevent path traversal in LaTeX macro handlers (#3330) (65ef180)
• service: Add explicit usage exceeded exception handling (#3325) (075fa69)

Documentation

• uspto: Improve documentation of USPTO XML parser security config (#3338) (09de7f9)