potiuk commented on PR #68816:
URL: https://github.com/apache/airflow/pull/68816#issuecomment-4915919406

   Closing — this grouped bump collides with three intentional version caps 
that Dependabot can't see:
   
   - **`aiosqlite` `<0.22.0`** — 0.22.x leaves a thread hanging under 
SQLAlchemy 2 (see the comment at the pin + 
[aiosqlite#369](https://github.com/omnilib/aiosqlite/issues/369)); the 
SQLAlchemy-side fix isn't released yet.
   - **`fastapi` `<0.137.0`** — FastAPI 0.137's lazy router inclusion triggers 
cadwyn `RouterGenerationError` and breaks api-server/dag-processor startup. The 
cap was added deliberately in #68578; it can only be relaxed once cadwyn 
supports 0.137.
   - **`datamodel-code-generator` `==0.67.0`** — the newer generator drops `= 
None` defaults from nullable-optional fields, turning ~200 fields across the 
Task SDK / CTL API clients from optional into required (a breaking 
model-contract change).
   
   Each of these needs its own deliberate change (and, for cadwyn/FastAPI, an 
upstream fix) rather than a blanket cap bump, so this PR can't be merged as-is. 
The follow-up work is tracked in the CI / Dev Env board.
   
   ---
   Drafted-by: Claude Code (Opus 4.8); reviewed by @potiuk before posting
   


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