9.9.4

9.9.4 / 2026-08-25

• fix(query): set strictQuery and strict on _mongooseOptions consistently #16451 #16447
• fix(hydration): use the doc model for looking up a ref #16453 rawmind
• fix(schema): drop the map values subpath when removing a map path #16457 rawmind
• fix(schema): remove a map that lives under a nested path #16461 #16457 luantaraschi
• fix(schema): do not repeat null in a toJSONSchema enum that already lists null #16456 luantaraschi
• fix(schema): clone a document array element with its own constructor signature #16463 #16462 luantaraschi
• fix(schema): keep the map value schematype a single object when cloning #16473 luantaraschi
• fix(schema): clarify duplicate index warning to note index is not created #16476 vjymisal0
• perf(model): index bulkSave write errors by document id #16474 yoominho91
• docs: add Atlas Vector Search and Atlas Search documentation #16395
• docs: fix dead MongoDB driver Collection link #16458 rajanpanth