# 4.12.4

Bugfixes for 4.12.3

* Bug #13872: WCompositeWidget does not Apply Style classes from Implementation class
* Bug #14136: Heap-use-after-free in HTTP keep-alive connection handling
* Improvements #12144: Define minimal dependencies in a single source of truth
* Improvements #14171: Do not parse WMessageResourceBundle each time on WApplication launch
* Bug #14319: WTableView::scrollTo does not consider changed widget size
* Bug #14293: dialogs in bootstrap 3 resize after they are shown
* Bug #3824: Potential race in WMessageResourceBundle with WServer::setLocalizedStrings
* Improvements #12206: Add source code formatter / beautifier