# 4.11.1 Bugfixes for 4.11.0 * Improvements #12813: Allow column resize to be specified per column * Improvements #11001: FlexLayoutImpl: consider using gap for spacing instead of margins * Bug #13114: Correct void in Wt's documentation * Bug #11008: StdGridLayoutImpl2.js: figure out what's up with the undefined i in setChildSize * Bug #11009: StdGridLayoutImpl2.js: totalPreferredSize and totalMinSize are modified before declaration * Bug #7856: Native WSlider not working on progressive bootstrap * Improvements #13041: Change bcrypt iterations according to ASVS standards * Improvements #11855: Provide a shortcut for the loading indicator timeout * Bug #13104: z-index / raiseToFront problem * Bug #13106: Bootstrap (5) is still able to select disabled items * Bug #13115: Widgets removed from disabled parents aren't rerendered correctly * Bug #13130: Remove unstable test * Improvements #11868: Define a signal for when the content of `WStackedWidget` changes * Improvements #12675: [Dbo::JsonSerializer] Support built-in types * Feature #12174: Do automated testing with Selenium