As I feared from trying with Ubuntu 19.10, using ppa:ubuntu-x-swat/updates on 18.04 did not fix the flickering-shadows problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1841953 Title: Bionic ⋅ SuperTuxKart ⋅ Flickering shadows ⋅ Haswell i915 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1841953/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs