Our extensions get disabled in the Tor Browser 7.0a4 release candidate
Testing the release candidate for Tor Browser 7.0a4 on a 64bit Linux machine results in disabled extensions on start-up with
1494766438500 addons.xpi-utils DEBUG New add-on torbutton@torproject.org installed in app-profile
1494766438600 addons.xpi-utils WARN Disabling foreign installed add-on torbutton@torproject.org in app-profile
1494766438600 DeferredSave.extensions.json DEBUG Save changes
1494766438600 addons.xpi-utils DEBUG New add-on {73a6fe31-595d-460b-a920-fcc0f8843232} installed in app-profile
1494766438600 DeferredSave.extensions.json DEBUG Starting timer
1494766438700 addons.xpi-utils WARN Disabling foreign installed add-on {73a6fe31-595d-460b-a920-fcc0f8843232} in app-profile
1494766438700 DeferredSave.extensions.json DEBUG Save changes
1494766438700 addons.xpi-utils DEBUG New add-on https-everywhere-eff@eff.org installed in app-profile
1494766438700 DeferredSave.extensions.json DEBUG Starting write
1494766438700 DeferredSave.extensions.json DEBUG Write succeeded
1494766438700 addons.xpi-utils DEBUG XPI Database saved, setting schema version preference to 19
1494766438800 addons.xpi-utils WARN Disabling foreign installed add-on https-everywhere-eff@eff.org in app-profile
1494766438800 DeferredSave.extensions.json DEBUG Save changes
1494766438800 addons.xpi-utils DEBUG New add-on tor-launcher@torproject.org installed in app-profile
1494766438800 DeferredSave.extensions.json DEBUG Starting timer
1494766438800 addons.xpi-utils WARN Disabling foreign installed add-on tor-launcher@torproject.org in app-profile
This blocks the 7.0a4 release.