Bug Fixes

• cache: release query runner on error in storeInCache (#12545) (a84b9b3)
• correct grammar in AlreadyHasActiveConnectionError message (#12554) (304d129)
• entity-manager: default invalidWhereValuesBehavior to throw on the write path (#12690) (44d8052)
• entity-manager: validate where criteria in increment/decrement (#12692) (8a51b75)
• mongodb: use cursor.transform for doc to entity transformation and skip load broadcast in next if toArray (#11926) (0bbefc9)
• move hashing function to PlatformTools (#12648) (c456cbd)
• multiple recursive cte problems (#12490) (7c26654)
• normalization of FindOptionsWhere for arrays and Buffers (#12577) (a8173fc)
• persistence: preserve select false columns on the in-memory entity after save() (#12501) (324c46c)
• postgres: improve normalizeDatetimeFunction for tstzrange data type (#12182) (bf47c9f)
• query-builder: reject empty where criteria on update and delete operations (#12629) (81b9466)
• query-builder: wrap inner joins under left joins correctly (#11137) (d5f4b9d)
• remove require() calls that break bundlers (#12647) (30f9fc7)
• tree-entity: tree entity schema propagation in internal TreeRepository methods (#12590) (7fb7c2c)

Full Changelog: https://github.com/typeorm/typeorm/compare/0.3.30...0.3.31