Issues

• Identity and Computed comparison skipped when compare_server_default is not set, as of 1.18.0

  autogenerate - defaultsbugregression
  sqlalchemy/alembic#1877 · Filter by author zzzeek opened on Oct 13, 2026

• autogenerate drops dialect kwargs of foreign keys inside op.create_table()

  autogenerate - renderingbug
  sqlalchemy/alembic#1876 · Filter by author rocksnow1942 opened on Oct 13, 2026
  1

• Entry point for DefaultImpl subclasses? (or, just use plugins?)

  code review in progressmigration environmentuse case
  sqlalchemy/alembic#1874 · Filter by author zzzeek opened on Oct 4, 2026
  1

• Autogenerate produces no migration when a Computed column expression changes (PostgreSQL)

  autogenerate - defaultsmissing behaviorpostgresql
  sqlalchemy/alembic#1837 · Filter by author fabiob opened on Jul 24, 2026
  10

• add option to re-apply naming conventions for table renamed in batch mode

  batch migrationsfeaturegreat mcvenaming convention issuessqlite
  sqlalchemy/alembic#1834 · Filter by author zzzeek opened on Jul 16, 2026
  1

• Adding a pseudo MigrationOp to add autocommit context wrapper to generated revision

  autogenerate - renderingexecution modeluse case
  sqlalchemy/alembic#1825 · Filter by author lachaib opened on Jul 2, 2026
  1

• Proposal: First‑class Alembic support for Views (incl. Materialized) + Routines for ETL/PostGIS

  use case
  sqlalchemy/alembic#1797 · Filter by author Ghayth-Moustpha opened on Feb 26, 2026
  2

• add rev_id generator function feature to environment.configure(), will apply to revision, merge

  awaiting infouse case
  sqlalchemy/alembic#1732 · Filter by author jiayun opened on Oct 3, 2025
  4

• Create primary key / unique constraint does not support postgresql_include added in sqlalchemy 2.0.41

  op directivespostgresqluse case
  sqlalchemy/alembic#1723 · Filter by author CaselIT opened on Sep 4, 2025

• should change of type + change of server default be heuristically orchestrated for incompatible server default types?

  op directivespostgresqluse case
  sqlalchemy/alembic#1652 · Filter by author qsuscs opened on Apr 25, 2025
  2

• Unexpected warning for computed column when migrating with MariaDB

  autogenerate - detectionmysql
  sqlalchemy/alembic#1607 · Filter by author ghost opened on Feb 11, 2025
  5

• postgresql serial column detection might fail

  bugpostgresql
  sqlalchemy/alembic#1565 · Filter by author JabberWocky-22 opened on Nov 1, 2024
  3

• Add support for preserving field order?

  mysqlop directivesuse case
  sqlalchemy/alembic#1539 · Filter by author msaysell opened on Sep 20, 2024
  5

• Migration autogeneration should respect schemas defined using quoted_name

  autogenerate - renderingbugcode review in progress
  sqlalchemy/alembic#1526 · Filter by author characat0 opened on Aug 30, 2024

• conditional ddl support; add autogeneration support for ddf_if()

  autogenerate - detectionautogenerate - rendering
  sqlalchemy/alembic#1491 · Filter by author chriswhite199 opened on Jun 19, 2024
  12

• Improve server_default / existing_server_default typing

  bugpep 484
  sqlalchemy/alembic#1468 · Filter by author CaselIT opened on Apr 30, 2024
  2

• Consider Removing psql type specifiers when Comparing Computed Constructs

  bugcode review in progresspostgresql
  sqlalchemy/alembic#1462 · Filter by author tcommandeur opened on Apr 23, 2024
  3

• autogenerate with compare_server_default=True and reflecting table randomly fails to set conn_col_default

  autogenerate - detectionpostgresql
  sqlalchemy/alembic#1454 · Filter by author cpoppema opened on Apr 6, 2024
  2

• 'BatchOperations' object has no attribute 'rename_table'

  batch migrationsbugdocumentation
  sqlalchemy/alembic#1453 · Filter by author stephenfin opened on Apr 5, 2024
  3

• Change the default include_schemas to be "from_metadata"

  sqlalchemy/alembic#1428 · Filter by author CaselIT opened on Feb 17, 2024 · 1.14

• Naming conventions in metadata sequences are ignored

  autogenerate - renderingbugop directives
  sqlalchemy/alembic#1396 · Filter by author iurisilvio opened on Jan 11, 2024
  4

• Alembic always detects changes on indexes that use to_tsvector()

  autogenerate - detectionbugindex expressionspostgresql
  sqlalchemy/alembic#1390 · Filter by author caumons opened on Jan 9, 2024 · 1.13
  6

• Autogenerate renders TypeDecorator instance instead of underlying impl type

  autogenerate - renderingcookbook requesteddocumentationtypedecoratoruse case
  sqlalchemy/alembic#1386 · Filter by author saifelse opened on Jan 5, 2024
  10

• Rendering postgresql dialect DOMAIN field

  autogenerate - renderingbugcode review in progresspostgresql
  sqlalchemy/alembic#1360 · Filter by author ovangle opened on Nov 16, 2023
  2

• autogenerate postgresql DOMAIN type column

  autogenerate - detectionbugpostgresql
  sqlalchemy/alembic#1357 · Filter by author ovangle opened on Nov 16, 2023
  2