# What changed in sqlalchemy-cockroachdb

> 8 changes in sqlalchemy-cockroachdb 2 from its official release notes, upgrade guides and advisories: 2 breaking. Each one cited. Sources checked 2026-10-25. HTML: https://unstale.sh/pypi/sqlalchemy-cockroachdb/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## sqlalchemy-cockroachdb 2

### Breaking changes

- The minimum supported Python version is now 3.10. (2.0.4) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/db4b38768aed2ff3689e03459cb4af66baaa1f70/CHANGES.md#version-204)
- This dialect requires SQLAlchemy 2.0; earlier SQLAlchemy versions require an earlier dialect release. (2.0.0) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/HEAD/CHANGES.md)

### Behavior and default changes

- The dialect no longer sends telemetry data during startup. (2.0.0) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/HEAD/CHANGES.md)

### Fixes and other changes

- Fixes compatibility issues with Alembic 1.18. (2.0.4) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/db4b38768aed2ff3689e03459cb4af66baaa1f70/CHANGES.md#version-204)
- Fixes reflection of CHAR columns. (2.0.4) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/db4b38768aed2ff3689e03459cb4af66baaa1f70/CHANGES.md#version-204)
- Fixes reflection of JSONB columns. (2.0.4) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/db4b38768aed2ff3689e03459cb4af66baaa1f70/CHANGES.md#version-204)
- Compiles MySQL-style timestampdiff to PostgreSQL-style epoch arithmetic on the CockroachDB dialect, truncating toward zero and casting to NUMERIC. Supports MICROSECOND, MILLISECOND, SECOND, MINUTE, HOUR, DAY, and WEEK; rejects MONTH, QUARTER, and YEAR. (2.0.4) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/db4b38768aed2ff3689e03459cb4af66baaa1f70/CHANGES.md#version-204)
- Fixes reflection of TIMESTAMPTZ columns. (2.0.4) — [release notes](https://github.com/cockroachdb/sqlalchemy-cockroachdb/blob/db4b38768aed2ff3689e03459cb4af66baaa1f70/CHANGES.md#version-204)