(In reply to Andrew Swan [:aswan] from comment #0) > Not enabling this in bug 1457224 or bug 147357 was an oversight. Lets turn > it on now. The second bug mentioned in the comment 0 was meant to be Bug 1473757 (instead of bug 147357)
Comment on attachment 9009047 [details] Bug 1489261 - Enable delayed background page startup on Android. r?aswan! Andrew Swan [:aswan] has approved the revision.
Attachment #9009047 - Flags: review+
Pushed by email@example.com: https://hg.mozilla.org/integration/autoland/rev/f9d0225d85d2 Enable delayed background page startup on Android. r=aswan
This issue is verified as fixed on Fennec 64.0a1(20180917100144) under Android 8.0.0 The preference ‘extensions.webextensions.background-delayed-startup’ is set to true by default. I used uBlock Origin on a page with ads, and at the startup of the Fennec, the ads from the current page that was loading, were blocked. Please see the attached screenshot.
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