Strange Polygons Appearing on my screen

[frank.papenmeier]

Hi, I isolated and fixed a memory leak in PsychoJS platform version 2020.1 which might also have caused your issues, see:

PsychoJS platform version 2020.1 - Memory Leak in Visual Stimulus Setters

There is a memory leak in PsychoJS platform version 2020.1 caused by the stimulus setters and the subsequent call to the _updateIfNeeded() not releasing the resources of the attached _pixi object. I confirmed and fixed this issue for both TextStim and ImageStim but the same issue is very likely also present for other visual components (I did not check this). I created two public demo experiments containing only a text stimulus that updates its text content every frame (the actual content stays …