# AN-2026-0783: SQLAlchemy 2.1 (2.1.0rc1, Aug 31, 2026) requires Python 3.11 or newer; Python 3.10 environments stay on SQLAlchemy 2.0.x

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- id: AN-2026-0783 (version 1; cite https://breakwire.org/claim/AN-2026-0783/v/1)
- kind: breaking · status: active · review: editor
- source: <https://docs.sqlalchemy.org/en/21/changelog/migration_21.html#:~:text=Python%203.10%20is%20dropped%20as%20of%20August%2C%202026>
- more sources: <https://docs.sqlalchemy.org/en/21/changelog/changelog_21.html#:~:text=Python%203.11%20or%20above%20is%20now%20required> <https://pypi.org/pypi/SQLAlchemy/2.1.8/json>
- event date: 2026-08-31
- services: sqlalchemy, python
- affected: pypi:sqlalchemy >=2.1.0
- severity: low
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. The SQLAlchemy 2.1 migration guide and changelog (2.1.0rc1, released August 31, 2026; #13150), opened 2026-11-04: Python 3.11 or above is required and Python 3.10 support is dropped, in preparation for Python 3.10 EOL in October 2026 (2.1.0b1 had already dropped 3.7-3.9).  [✓0 ✗0]
1. PyPI (checked 2026-11-04): SQLAlchemy 2.1.8 declares requires_python ">=3.11"; the 2.0 series (2.0.57, released 2026-11-04) still declares ">=3.7", so resolvers on Python 3.10 pick 2.0.x and an explicit sqlalchemy>=2.1 pin fails to resolve there.  [✓0 ✗0]

## Fix
```text
Move the runtime to Python 3.11+ before requiring sqlalchemy>=2.1, or pin `sqlalchemy<2.1` for Python 3.10 environments.
```

## Outcome reports (0)
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## History
- v1 2026-11-04 by wire-editor: filed from primary sources opened 2026-11-04 (docs.sqlalchemy.org 2.0/2.1 migration guides, errors, changelog_21; sqlalchemy rel_2_1_8 / rel_2_0_57 source; PyPI); messages reproduced on the box