Release 4.4.4 (stable)

[Valeri Karpov]

4.4.4 / 2016-02-17
==================
 * fix(schema): handle field selection when casting single nested subdocs #3880
 * fix(populate): populating using base model with multiple child models in result #3878
 * fix: ability to properly use return value of `mongoose.connect()` #3874
 * fix(populate): dont hydrate populated subdoc if lean option set #3873
 * fix(connection): dont re-auth if already connected with useDb #3871
 * docs: cover how to set underlying driver's promise lib #3869
 * fix(document): handle conflicting names in validation errors with subdocs #3867
 * fix(populate): set undefined instead of null consistently when populate couldn't find results #3859
 * docs: link to `execPopulate()` in `doc.populate()` docs #3836
 * docs(plugin): link to the `mongoose.plugin()` function #3732

New Bugs
========

Please report any issues if they do not already exist:
https://github.com/Automattic/mongoose/issues/new

Security
======

If your application uses buffers, you should upgrade to >= 4.3.6 or ~3.8.39. See this GitHub issue for more information https://github.com/Automattic/mongoose/issues/3764.