0.4.12-dev-824-gd57f7be gcc dbg linux official iso is affected (without having any font fixes applied locally)
Just open the taskmgr performance tab and watch the performance meter control.
0.4.12-dev-8-g958ae44_ok.png ros taskmgr on ros looks fine.
It looks as fine as the taskmgr from ros 0.4.12-dev-824-gd57f7be executed in WinXP (which proves our taskmgr binary being correct)
I guess it's some regression in scaling, because when the affected taskmgrs window is expanded vertically, the bottom right element is suddenly properly drawn again, see
We still need to find the guilty revision in between.