Issues

Issues

• MSSQL multi-table reflection of temp tables still queries tempdb catalog by name; can deadlock

  sqlalchemy/sqlalchemy#13789 · opened on Nov 12, 2026 · 2.1.x
  1

• ColumnDefault / Sequence / orm_insert_sentinel() passed as default= in ORM dataclass mapping fails on flush

  sqlalchemy/sqlalchemy#13788 · opened on Nov 12, 2026 · 2.1.x
  1

• correlated LATERAL relationship target not adapted for aliased parent, selectinload, subqueryload, lazyload

  sqlalchemy/sqlalchemy#13786 · opened on Nov 12, 2026 · 2.1.x
  1

• Add a test for query key sorting in URL.render_as_string()

  sqlalchemy/sqlalchemy#13784 · opened on Nov 12, 2026
  1

• correlated LATERAL relationship target not adapted when joinedload wraps the query in a subquery

  sqlalchemy/sqlalchemy#13783 · opened on Nov 11, 2026 · 2.1.x
  4

• Split comparison operator class in equality and order

  sqlalchemy/sqlalchemy#13781 · opened on Nov 10, 2026 · 2.1.x
  1

• URL.update_query_pairs() nests a tuple when a key repeats with a list value

  sqlalchemy/sqlalchemy#13770 · opened on Nov 8, 2026 · 2.0.x
  2

• render bind_expression around each literal_execute expanding value

  sqlalchemy/sqlalchemy#13732 · opened on Oct 27, 2026 · 2.0.x
  2

• declared_attr.cascading fails to typecheck under mypy / pyright on documented usage

  sqlalchemy/sqlalchemy#13731 · opened on Oct 27, 2026 · 2.0.x
  3

• PostgreSQL multihost URL with bracketed IPv6 hosts raises ValueError: too many values to unpack

  sqlalchemy/sqlalchemy#13637 · opened on Oct 2, 2026 · 2.x.x
  6

• asyncpg dialect raises DBAPIError, not DataError, for SQLSTATE class 22 errors

  sqlalchemy/sqlalchemy#13636 · opened on Oct 2, 2026 · 2.0.x
  19

• named_dollar paramstyle

  sqlalchemy/sqlalchemy#13603 · opened on Sep 24, 2026 · 2.x.x
  9

• documentation bug

  sqlalchemy/sqlalchemy#13594 · opened on Sep 16, 2026 · 2.0.x
  2

• Support UPDATE..RETURNING on MariaDB 13.0.1+ when MDEV-41113 can be fixed

  sqlalchemy/sqlalchemy#13575 · opened on Sep 10, 2026 · 2.1.x
  7

• we dont close on GC connections that were detached (and weren't closed). should we?

  sqlalchemy/sqlalchemy#13570 · opened on Sep 7, 2026 · 2.2
  7

• Add PostgreSQL row security DDL and reflection

  sqlalchemy/sqlalchemy#13517 · opened on Aug 17, 2026 · 2.x.x
  12

• Investigate greenlet crash on T build

  sqlalchemy/sqlalchemy#13501 · opened on Aug 11, 2026 · 2.0.x
  9

• mssql reflection drops fractional-seconds precision for DATETIME2/DATETIMEOFFSET/TIME columns

  sqlalchemy/sqlalchemy#13497 · opened on Aug 11, 2026 · 2.0.x
  3

• Consider including column constraints on the table

  sqlalchemy/sqlalchemy#13480 · opened on Aug 5, 2026 · 2.2
  2

• audit of .replace-based sql literal rendering in the dialects

  sqlalchemy/sqlalchemy#13469 · opened on Jul 29, 2026 · 2.0.x
  4

• Cython batch instance processor — ~10–30% on most loads

  sqlalchemy/sqlalchemy#13407 · opened on Jun 30, 2026 · 2.1.x

• use new _raw_all_tuples with subqueryloads

  sqlalchemy/sqlalchemy#13406 · opened on Jun 30, 2026 · 2.1.x

• Modernize type annotations to PEP 604 union syntax

  sqlalchemy/sqlalchemy#13281 · opened on May 7, 2026 · 2.1.x
  1

• im not sure we can type hybrid_methods fully

  sqlalchemy/sqlalchemy#13253 · opened on Apr 21, 2026 · 2.1.x
  1

• Support for native JSON in mssql

  sqlalchemy/sqlalchemy#13212 · opened on Mar 31, 2026 · 2.1.x
  11