Starting apps with QTWEBENGINE_CHROMIUM_FLAGS="--no-sandbox" seems to make them work again, so as point out by the very nice people from OpenSuse it seems to be this issue:
https://chromium-review.googlesource.com/c/chromium/src/+/2936184 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1939993 Title: glibc 2.34 causes qtwebengineprocess to crash or fail to start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1939993/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
