This bug was fixed in the package xserver-xorg-video-ati-hwe-18.04 - 1:19.0.1-1ubuntu1~18.04.1
--------------- xserver-xorg-video-ati-hwe-18.04 (1:19.0.1-1ubuntu1~18.04.1) bionic; urgency=medium
* Backport for 18.04.3 HWE stack update. (LP: #1848522)
xserver-xorg-video-ati (1:19.0.1-1ubuntu1) eoan; urgency=medium
* dri3-always-flush-glamor.diff: Fix broken tooltips. (LP: #1841718)
-- Timo Aaltonen <email address hidden> Thu, 17 Oct 2019 16:13:15 +0300
This bug was fixed in the package xserver- xorg-video- ati-hwe- 18.04 - 1:19.0. 1-1ubuntu1~ 18.04.1
--------------- xorg-video- ati-hwe- 18.04 (1:19.0. 1-1ubuntu1~ 18.04.1) bionic; urgency=medium
xserver-
* Backport for 18.04.3 HWE stack update. (LP: #1848522)
xserver- xorg-video- ati (1:19.0.1-1ubuntu1) eoan; urgency=medium
* dri3-always- flush-glamor. diff: Fix broken tooltips. (LP: #1841718)
-- Timo Aaltonen <email address hidden> Thu, 17 Oct 2019 16:13:15 +0300