IMHO, when add-on compatibility checking is deactivated, there should be a way to activate not multiprocess compatible extensions, too. I'm running FF55.0a1, 64bit, E10s and after auto-deactivating all not multiprocess compatible extensions the most of my extensions now deactivated. There are IMHO ATM to much extensions on AMO that are not multiprocess compatible and auto-deactivating all makes life of alpha testers ATM to hard. Overall reports from https://arewee10syet.com/: compatible 1,229 compatible-webextension 2,309 unknown 16,841 undefined 43 incompatible 45
The preference extensions.allow-non-mpc-extensions lets you toggle that behavior on Nightly.
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → WORKSFORME
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