Sergey Biryukov

Convert Non-Latin characters in post, page and term slugs to Latin characters.

Restores the ability to upload non-image files in WordPress 4.7.1 and 4.7.2.

Allows to find all posts where a particular attachment is used.

Allows users to register with Cyrillic usernames.

Converts gettext binary message catalogs to an array of strings.

Creates a separate tiny .mo file to use on a site front-end.