Note: It seems to be different than https://bugs.launchpad.net/linuxmint/+bug/1261352 in 3 aspects:
* It is experienced on AMD, not Intel graphics * Many times it looks like a scrum of other letters, while in 1261352 there are mostly isolated dots * It is not dynamically changing when rendered once (see 1261352 attached video)
Note: It seems to be different than https:/ /bugs.launchpad .net/linuxmint/ +bug/1261352
in 3 aspects:
* It is experienced on AMD, not Intel graphics
* Many times it looks like a scrum of other letters, while in 1261352 there are mostly isolated dots
* It is not dynamically changing when rendered once (see 1261352 attached video)