9.11.3 / 2026-10-21
- fix(update): honor overwriteImmutable in upserts and nested timestamps #16614 #15781 #8619 AbdelrahmanHafez
- fix(model): stop Model.validate() crashing on missing nested objects #16600 NotAFlightRisk
- fix(connection): don't disable autoIndex/autoCreate for a primary ReadPreference instance #16592 NgoQuocViet2001
- docs: remove references to MongoDB versions older than 6.x #16593