@mikro-orm/core 5.9.8 on Node.js Yarn

5.9.8 (2024-02-04)

core: do not mutate data provided to em.upsert/Many (5acb4eb), closes #5136
core: ensure em.insertMany returns array of PKs for a single item too (#5180) (b9a55e5), closes #5179
core: process upsert data to allow using entity instances in place of relations (42e3c5e), closes #5165
mongo: ensure assign on object properties won't ignore changes (bd22d7c), closes #5158
postgres: parse timestamp dates less than year 1000 (#5071) (63eb5c5)