I find a way to remove the « Transparency scrool chooser bar » tested on my webkit2gtk (2.38.1-1) that I rebuilt with that bar off for now.
ref: https://docs.gtk.org/gtk3/method.ColorChooser.set_use_alpha.html Check the patch. Temporary remove that bar solve my problem for now. Thank you ** Patch added: "remove_alpha_from_color_chooser.patch" https://bugs.launchpad.net/ubuntu/+source/webkit2gtk/+bug/1995396/+attachment/5628322/+files/remove_alpha_from_color_chooser.patch -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to webkit2gtk in Ubuntu. https://bugs.launchpad.net/bugs/1995396 Title: /usr/lib/x86_64-linux- gnu/webkit2gtk-4.1/WebKitWebProcess:6:std::__throw_bad_optional_access:std::optional:WebCore::ColorInputType::valueAsColor:WebCore::ColorInputType::didChooseColor:IPC::callMemberFunctionImpl Status in webkit2gtk package in Ubuntu: Confirmed Bug description: The Ubuntu Error Tracker has been receiving reports about a problem regarding webkit2gtk. This problem was most recently seen with package version 2.38.0-1, the problem page at https://errors.ubuntu.com/problem/9a29462dc27e2727d25b296c660a56a6d15068de contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/webkit2gtk/+bug/1995396/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp