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I love darkmode, however when I'm browsing tabs with alt+tab, sometimes the pages flash white for a milisec, and go back to darkmode again. I also see this behaviour with a light theme, however then it's not as visible. The flashes are quite annoying.
I was just going to create an issue for this.
Same thing on MacOS (Mojave 10.14.6), same extension version (7.1.0) in Chrome (77.0.3865.90 (Official Build) (64-bit))
This is happening also on Win 10 Pro(1903), same extension version (7.1.0) in Brave (Version 0.69.135 Chromium: 77.0.3865.120, Official Build, 64-bit), using browser flag 'Dark mode'.
At night time the white flashing is extra irritating and eye straining.
This is happening also on Win 10 Pro(1903), same extension version (7.1.0) in Brave (Version 0.69.135 Chromium: 77.0.3865.120, Official Build, 64-bit), using browser flag 'Dark mode'.
At night time the white flashing is extra irritating and eye straining.
So one interim fix I found was to not use 'dark mode' that is found under the settings for this plugin.
Yeah this white flash is quite jarring, especially for those of us that work at night.
Exactly... still no response though. Think I'll look for a tab suspender without this issue
Just enable this and any white flash is gone.

Cheers.
Why is this unconfirmed? Multiple users are reporting this. Though seems we have a workaround with the chrome flags
I'm still seeing this bug on osx 10.15.7 running Google Chrome Version 87.0.4280.88 (Official Build) (x86_64) with greatsuspender version v7.1.8.
I tried the temporary workaround to tell chrome to force dark mode, but it's no good. It does weird things on YouTube and there's still a flash when switching between two suspended tabs. It just flashes to black instead of flashing to white.
Most helpful comment
Yeah this white flash is quite jarring, especially for those of us that work at night.