# 4.7.3

07/07/2022



* Improvements #8781: Document that the unload event is not guaranteed
* Bug #9923: WFileDropWidget dropcover style added while not accepting drops
* Bug #8602: No changed() signal when toggling a check box programmatically
* Bug #9265: WBorderLayout documentation error
* Bug #9719: Wt AxisSliderWidget view port is  no longer sync with the Chart
* Bug #10341: JavaScript validators don't take input mask into account
* Bug #10348: Postgres: reentrant statement use with bound parameters results in "Binding too many parameters" exception
* Bug #10362: WPanel::setCollapsed segfaults with WBootstrap5Theme
* Bug #10543: Missing timeout default initialization in FixedSqlConnectionPool
* Bug #10578: WCalendar is not updated when changing a WDateEdit's validator
* Bug #10482: Wt creates invalid HTML/CSS
* Bug #10483: Possible segmentation fault in WebSession during application creation