# 4.5.0

12/15/2020



* Bug #7749: Crash (SEGV) when using WFileUpload within WQApplication
* Bug #6367: WIOService Freeze under hevy load?
* Bug #6548: wt3: data race and other oddities during WFileUpload
* Feature #7586: Consider disabling use of Client-IP header, at least by default
* Feature #7666: Consider reducing jsScrollVisibilityChanged_ connections to reduce memory and cpu usage