# 4.9.0

12/22/2022



* Improvements #9207: Follow up on Bootstrap 5 theme
* Improvements #8629: Change JavaScript minifier
* Bug #9252: Deprecated message in FontSupportPango.C build
* Bug #9076: Opening popup (calendar) of Wt::WDateEdit fails in Widgetset mode on first render.
* Feature #10364: WBootstrap5Theme: re-add support for collapsible WPanel?
* Improvements #9570: Remove uses of WT_CXX14 and WT_CXX14ONLY
* Improvements #9350: Allow for customization of Bootstrap 5 theme
* Improvements #10395: WPanel::setTitleBar(false) should probably call WPanel::setCollapsible(false)
* Improvements #10842: Eliminate jQuery usage
* Bug #10488: no more keepAlive sent after long polling error
* Improvements #10924: Remove split-script configuration property
* Bug #10911: Fix OpenSSL 3.0 deprecation warnings
* Bug #10914: Boost Phoenix deprecated header warnings
* Bug #10941: [MSVC] Wt failed to build with error C2026 on MSVC
* Improvements #10966: Adopt a JavaScript formatter for Wt's JavaScript
* Improvements #10967: Add linting to Wt's JavaScript and address warnings coming from the linter
* Bug #11006: filetostring.cmake generates file literals that exceed the minimum maximum string literal length
* Bug #11067: Panel collapse/expand is choppy
* Bug #7740: setValueStyleClass has no visual effect