6.1.6 / 2022-01-10

• perf(document): delay creating document event emitter until used to improve memory usage, several small improvements to improve initing docs with large arrays #10400
• fix(model): avoid bulkSave() error when versionKey: false #11186 #11071 IslandRhythms
• fix(model): revert #11079: findByIdAndUpdate(undefined) breaking change #11149
• fix(index.d.ts): support strings in deep populate #11181 ivalduan
• fix(index.d.ts): rename map() -> transform() to line up with change in v6.0 #11161
• fix(index.d.ts): allow new Model(obj) for stricter type checks #11148
• fix(index.d.ts): make Schema.prototype.pre() and post() generics default to HydratedDocument #11180
• docs: improve autoCreate docs #11116
• docs(schematype): add missing parameter to example #11185 kerolloz
• docs(connections): use updated link to list of MongoDB Node driver connect() options #11184 splinter
• docs(aggregate): fix formatting #11191 enieber
• docs: fix broken link #11179 khairnarsaurabh23