SUMMARY When painting with bigger resolutions and rapidly switching visibility of layers in the layers docker, the process becomes very clunky and slow because "Update layer thumbnails" progress bar appears and prevents painting and interaction with program until it is completed. STEPS TO REPRODUCE Make canvas size big enough for your system to be slowed (4-6k is enough for me), add multiple layers, paint and switch layers visibility fast. I guess with bigger canvas resolution/stroke size the effect grows too. OBSERVED RESULT After every stroke and visibility switch, program hangs from milliseconds to seconds until "Update layer thumbnails" thing completes. EXPECTED RESULT Those microstutters are super annoying. I set thumbnail size on minimal but this changes nothing. I'd like this process to be running in parallel with painting, or at least an option to disable layer thumbnails completely SOFTWARE/OS VERSIONS Windows: 11 Krita build git ac6cae8
Hi, thequiver! Could you please make a video recording of the issue?
Created attachment 180396 [details] Thumbnails updating
(In reply to Dmitry Kazakov from comment #1) > Hi, thequiver! > > Could you please make a video recording of the issue? (In reply to Dmitry Kazakov from comment #1) > Hi, thequiver! > > Could you please make a video recording of the issue? Hello Dmitry, I was trying to reproduce this on a fresh project but couldn't. So I just kept working on a painting in hopes of encountering the problem again and got the video. A few points i took away from this: - 2 layers are definetely not enough to make this happen - I had layer groups with 7 - 10 layers in them - Krita was running for some hours and become slow in general - Maybe groups nestings could worse the problem but I'm not sure
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