v2.121.0

Feature

• Extend the PdfPageBackend for better integration with docling-parse and improve the OCR input selection (#3981) (83fa205)
• service-client: Advertise accepted DoclingDocument version via Accept-Docling-Document-Version header (#4024) (df9c91f)
• iwork: Add Apple Pages (.pages) support (#3934) (2f8694f)

Fix

• pypdfium2: Apply page rotation to text-cell coordinates (#4008) (43e258b)
• Coerce MLX bfloat16 logprobs to float in VlmPredictionToken (#4005) (ff54826)
• docx: Descend into a content control that also holds a picture (#3950) (#3952) (c4b5ed6)