Mozilla Firefox 45.0.1 this morning where the release as a modified version, mainly to repair the problems of some 45 version is officially released after use, problems such as a search engine and the address bar settings are missing and did not increase new function, 45 edition users can upgrade functions through software upgrade their own, can also directly from the FTP download the installation package.
45.0.2 first, offered to Release channel users on April Version 11, 2016
An issue impacting Fix the cookie header when third-party cookies are blocked (1257861)
A web compatibility regression Fix impacting the srcset attribute of the image tag (1259482)
A crash impacting the Fix video playback with Media Source Extension (1258562)
A regression impacting some specific uploads Fix (1255735)
A regression with Fix the copy and paste with some old versions of some Gecko applications like Thunderbird (1254980)
Link to Firefox 45.0.1 release Reference notes