7.1.0 (2026-05-20)

https://mikro-orm.io/blog/mikro-orm-7-1-released

Bug Fixes

• core: coerce ISO date strings to Date in em.assign() (#7740) (0940a5f), closes #7737
• core: skip M:N inverse scrub for STI siblings that can't reference the entity (#7759) (6971c8a)
• core: treat inlined embeddables as loaded when their leaves are (#7758) (e89dab0)
• mongo: clean up inlined pivot on em.remove when owning side is populated (#7755) (4c5f03a), closes #7752
• mongo: create collections before ensuring indexes in create() (#7745) (531bc6b)
• mongo: throw on em.remove of inlined-pivot M:N target with uninitialized owning side (#7752) (231f84c), closes #7750
• sql: infer scalar array properties as columns in Kysely types (#7753) (111d69d), closes #7751
• sql: wrap raw subqueries with parens inside INSERT VALUES (#7754) (d379880), closes #7749

Features

• cli: add discovery:export command (#7335) (e38f5c4), closes #7323 #7323
• cli: add migration:log and migration:unlog commands (#7347) (6cf1045), closes #5390
• cli: emit typed EntityManager alias from discovery:export (#7756) (fd06439)
• core: accept enum references directly in items (#7606) (3d67892)
• core: add discriminator option and column-name override (#7748) (5390ce8), closes #7121
• core: add em.clone() and qb.insertFrom() for server-side row cloning (#7365) (13ca566), closes #5820
• core: add em.countBy() for grouped counting (#7372) (c4d2e99)
• core: add fields whitelist option to serialize() (#7517) (6ea6d64), closes #7507
• core: add initNullableProperties config option (#7554) (03a3122), closes #7551
• core: add LazyRef<T>, Loadable mixin, and unref() escape hatch (#7587) (221c2fc)
• core: add where option for partial indexes and unique constraints (#7593) (78d00e3)
• core: add a chunkSize option to streams (#7520) (13c61fa)
• core: add column-level collation support for SQL drivers (#7615) (12e3a73), closes #4286
• core: add dataloader support for Collection.loadCount() (#7373) (120189c), closes #7372 #6425
• core: add type-safe using option for index hints (#7375) (3337b58), closes #7175
• core: auto-generated classes inherit from parent with defineEntity extends (#7404) (94450ef)
• core: expose query cancellation via AbortSignal (#7629) (1a8379c)
• core: per-parent limiting for populated collections (#7370) (6ff01e4), closes #1059
• core: support array option on scalar properties (#7378) (b54b756), closes #7363
• core: support stored procedures and functions (#7693) (9bbbb8b), closes #5253
• core: union-target polymorphic M:N relations (#7569) (dfbe1c2), closes #7564 #7564
• migrations: add migration:rollup command (#7468) (8de2c92), closes #3633
• migrations: support runtime schema context (#7597) (9b00229), closes #3319 #4928
• pglite: add PGlite driver (#7622) (01f18c5)
• postgresql: add support for table partitioning (#7497) (63d0977), closes #6944 #6944
• schema: add database trigger support (#7379) (da4010d), closes #5053
• sql: bind getKysely() to the current transaction context (#7701) (344be12), closes #7679