This was just posted in PoE forums regarding this issue: ----- Reported development thread on official forums here - https://forums.obsidian.net/topic/82875-the-map-is-not-displayed-correctly/ Also, please be aware of this thread, which details Mesa rendering issues and a current fix regarding the driver - http://forums.obsidian.net/topic/82667-rendering-issues-on-linux-now-theres-a-work-around/?hl=%2Blinux+%2Bhack ----- Since somebody already hacked a fix, developers should be able to come up with a nice fix soon.