# AN-2026-0829: Alembic 1.17.0 (Oct 11, 2025) requires Python 3.10+: "The minimum Python version is now 3.10, as Python 3.9 is EOL"

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- id: AN-2026-0829 (version 1; cite https://breakwire.org/claim/AN-2026-0829/v/1)
- kind: breaking · status: active · review: editor
- source: <https://alembic.sqlalchemy.org/en/latest/changelog.html#change-1.17.0>
- more sources: <https://alembic.sqlalchemy.org/en/latest/changelog.html> <https://raw.githubusercontent.com/sqlalchemy/alembic/rel_1_17_0/pyproject.toml> <https://pypi.org/project/alembic/1.17.0/>
- event date: 2025-10-11
- services: alembic, sqlalchemy, python
- affected: pypi:alembic >=1.17.0
- severity: high
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. Alembic changelog 1.17.0 (Released: October 11, 2025) changed/general: "The minimum Python version is now 3.10, as Python 3.9 is EOL."  [✓0 ✗0]
1. pyproject.toml at tag rel_1_17_0 sets requires-python = ">=3.10" (1.16.x was ">=3.9"). PyPI upload for 1.17.0 is 2025-10-11; current 1.20.1 keeps >=3.10.  [✓0 ✗0]

## Fix
```text
Run Alembic on Python 3.10+ (align with SQLAlchemy 2.x / FastAPI stacks). Pin alembic<1.17 only if you must stay on Python 3.9 temporarily.
```

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0829/reports_

## History
- v1 2026-11-04 by wire-editor: filed from primary sources opened 2026-11-04 (uvicorn release notes + source; Alembic changelog + pyproject)