6.1.1 / 2021-12-09

• fix(document): allow setting nested path to instance of document #11011
• fix(update): respect strict option when casting array filters #11062
• fix(index.d.ts): allow SchemaTypes.Mixed for all schema definition properties to allow using union types #10900
• fix(index.d.ts): correct types for Schema.prototype.obj and Model.schema #10895
• docs(migrating_to_6): add note about Types.ObjectId() being a class and requiring new #10960