v1.22.0

Feature

• Enforce source size limits early in service paths (#168) (7cfe28b)
• Introduce ConvertDocumentsOptions.include_page_images and align usage to be consistent (#169) (7aabe62)
• Support max_num_elements in source iteration (#165) (53855fb)

Fix

• Make Ray enqueue cheap by dropping per-request dispatcher health RPC (#172) (e1eb522)