I was hoping this issue would be fixed, but it seems to persist. Namely, the presentation slows down on higher resolutions (beyond 1024768). To be more precise, at higher resolutions and/or bigger font size (beyond 34, but might depend on font). I use plasma screens that could display up to 19201080, but even at 1280*720 would be nice to function properly. If I increase the font size, the same happens: transitions are delayed. Very annoying bug, limiting usability and degrading user impression. Otherwise great software, keep on the good work!