Zotero stutters with low framerate and flickers

cgovella
I'm using Windows 10, v1909, with 144hz monitor and gsync and 2070S. Zotero seems to run at a much lower refresh rate. Moving my mouse or scrolling through panes seems to stutter constantly. And, using Zotero causes my monitor to subtly flicker in brightness which makes it very difficult to look at the screen. This happens only when Zotero is my active application, and always. if If I move my focused application to say Firefox or Windows Explorer, the effect goes away.

the report ID is
1501213603
  • dstillman
    This isn't something we can test, but it should work the same as whatever Firefox supported as of Firefox 60, so you can research that. You can try playing with the layout.frame_rate setting in the Config Editor in the Advanced pane of the preferences.

    If it's something that's been fixed in Firefox since version 60, Zotero will gain the fix sometime next year when we update to the framework to a later version of Firefox.
  • jpagett
    Just to bump this, I also have this issue. Windows Version 10.0.19042 Build 19042, gsync 1440p 144hz monitor on an RTX 3080 GPU.
  • adomasven
    Go into the NVidia control panel. There should be some application specific options there for Zotero and Firefox. See if you can copy the Firefox settings for Zotero and whether that solves the issue.
  • ZaneDaPayne
    I also have this problem with RTX 2070, 1440p 165Hz monitor, windows version 20H2 build version 19042.985. I have tried changing all the application settings for Zotero in the Nvidia Control Panel under "Manage 3D Settings", including refresh rate, resolution, and Gsync, however nothing changed. I hope Zotero can fix this because the flickering is nauseating.
  • ZaneDaPayne
    Update: I rolled back my Nvidia drivers to version 466.27 and Zotero works smoothly now. The search box in word when inserting a citation still flickers but this is useable now.
  • fluesprekker
    A solution was posted here: https://forums.zotero.org/discussion/comment/369736/#Comment_369736

    * File -> Preferences
    * General tab -> Config Editor
    * Accept warning
    * Search for "layers.acceleration.disabled" and set to true
    * Restart Zotero
  • natema
    I tried the above solution (https://forums.zotero.org/discussion/comment/392456/#Comment_392456) but the "flickering" behavior persists after restarting Zotero (and it seems I also get additional glitches :( ).
  • ybeltukov
    I'm having a problem with mouse stuttering for Zotero 7 under KDE Plasma with Wayland. I have a 4K monitor at 60fps and an integrated GPU. I think this is a KDE Plasma or Wayland issue causing mouse stuttering under GPU load. However, setting "layers.acceleration.disabled" to true bypasses this issue for now. Thanks for the advice.
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