The phrase "poor framerate" refers to a video or game that displays images or animations at a slow or choppy pace, making it harder to watch or play smoothly. Full definition
Known issues for the mod so far are message texts not rendering correctly, which they are working on, non-compliance with in - game AA and poor framerate with AMD cards; Nvidia chipsets «seem fine» however. (gamewatcher.com)
I say «almost» because, technically, even weaker computers, or those stuck with Wi - Fi only can still get some use out of it: not necessarily on the gaming front, unless you enjoy poor framerates (does anyone?) (techradar.com)
Heimburg acknowledges that poor framerate optimization and various types of lag are issues and that he will be tackling them step by step. (massivelyop.com)