Neueste Antworten auf Screen flashes black then white.https://support.mozilla.org/de/questions/12711542019-10-23T08:35:20-07:00I tried fiddling, and I found out that, at least with the themes I've been using, the dark/light fla2019-10-23T08:35:20-07:00Sir_Wyscerothhttps://support.mozilla.org/de/questions/1271154#answer-1260479<p>I tried fiddling, and I found out that, at least with the themes I've been using, the dark/light flash has gotten turned off either with the Use System Colors checked (I had it unchecked) under the Colors settings options, or with the <a href="http://browser.in" rel="nofollow">browser.in</a>-content.dark-mode set to false. I'm not quite following precisely what's happening, but at least this gives me two apparent solutions for my problem.&nbsp;:)
</p>If it isn't anything to do with your Theme, it might be the change:
"Built-in Firefox pages now foll2019-10-22T20:42:39-07:00user104147805413306348376805769878442569366https://support.mozilla.org/de/questions/1271154#answer-1260247<p>If it isn't anything to do with your Theme, it might be the change:
</p><p>"Built-in Firefox pages now follow the system dark mode preference."
</p><p>You can turn off this feature -
Type about:config in the address bar and press enter
select "I Accept the Risk!"
in the search bar enter mode
look for browser. in-content.dark-mode
double click it to toggle it to False
</p><p>(You may need to restart Firefox for it to take effect)
</p>Hello Sir_Wysceroth,
This is probably caused by the fact that with the update to Firefox version 702019-10-22T17:30:04-07:00McCoy-therealhttps://support.mozilla.org/de/questions/1271154#answer-1260232<p>Hello Sir_Wysceroth,
</p><p>This is probably caused by the fact that with the update to Firefox version 70, aliased theme properties have been removed.
</p><p>See <a href="https://www.mozilla.org/en-US/firefox/70.0/releasenotes/?utm_source=firefox-browser&amp;utm_medium=firefox-browser&amp;utm_campaign=whatsnew" rel="nofollow">these release notes</a>
</p><p>Also&nbsp;:
<a href="https://blog.mozilla.org/addons/2019/07/25/upcoming-deprecations-in-firefox-70/" rel="nofollow">https://blog.mozilla.org/addons/2019/07/25/upcoming-deprecations-in-firefox-70/</a>
</p>