It's hard to tell because errors.ubuntu.com is a bit broken (bug 1863689), but using a more targeted query you can see this bug is still the top crasher of Xorg even in the latest focal version:
https://errors.ubuntu.com/?release=Ubuntu%2020.04&package=xorg-server&period=week&version=2%3A1.20.8-2ubuntu2
It's hard to tell because errors.ubuntu.com is a bit broken (bug 1863689), but using a more targeted query you can see this bug is still the top crasher of Xorg even in the latest focal version:
https:/ /errors. ubuntu. com/?release= Ubuntu% 2020.04& package= xorg-server& period= week&version= 2%3A1.20. 8-2ubuntu2