https://github.com/mozilla/addons-frontend/issues/2785
And now this :-(
I have been using Firefox since before it was called that. I develop my apps in it, even though most of my colleagues have switched to Chrome years ago. Even though it is (or was for a while) slower than Chrome for things like Canvas.
But I use because I believe in Free Software. But Mozilla keeps disappointing. DRM, bundled 3-rd party apps, analytics, tracking... It is just so very sad. :-(
Also, I have 17 add-ons installed (11 active). At present, of these 17, only 2 will continue working after November when the switch to WebExtensions is enforced.
Where to go from here?