v2.108.0

Feature

• Add fast ASR backend (#2938) (ed6a702)
• xlsx: EMF/WMF image support via LibreOffice (#3714) (6395151)
• Accept HttpSource as a convert source for per-source headers (#3695) (d0a8b4a)
• jats/inline-formula: Render inline tex-math formulas in paragraphs (#3696) (c7b1734)

Fix

• md: Load embedded base64 images in Markdown backend (#3725) (d876cbc)
• asr: Log active audio filename in AsrPipeline._build_document (#3535) (8d747a3)
• backend: Guard optional email and markdown imports for slim installs (#3702) (2b9fda8)

Documentation

• Correct the explanation of the SE licence (#3706) (e0ea753)
• Clarify example EPUB’s licence (#3705) (13d78a2)