This bug was fixed in the package xserver-xorg-video-amdgpu-hwe-18.04 - 19.0.1-1ubuntu1~18.04.1
--------------- xserver-xorg-video-amdgpu-hwe-18.04 (19.0.1-1ubuntu1~18.04.1) bionic; urgency=medium
* Backport for 18.04.3 HWE stack update. (LP: #1848522)
xserver-xorg-video-amdgpu (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 16:13:12 +0300
This bug was fixed in the package xserver- xorg-video- amdgpu- hwe-18. 04 - 19.0.1- 1ubuntu1~ 18.04.1
--------------- xorg-video- amdgpu- hwe-18. 04 (19.0.1- 1ubuntu1~ 18.04.1) bionic; urgency=medium
xserver-
* Backport for 18.04.3 HWE stack update. (LP: #1848522)
xserver- xorg-video- amdgpu (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 16:13:12 +0300