My issue with FF's auto update is that the behavior is how painfully the auto-update works with multiple profiles.
I'll have one window (well three) open for some (measurable in days) time.
- FF updates silently, I haven't restarted my browser so I haven't noticed.
- I go to open a session in the second (or third profiles)
- FF decides now is a great time to apply the update, after all it just opened right?
- All the existing open browsing sessions in the other profiles get bricked. The tabs just stop responding, no browsing works, just dead in the water.
I have to shut it (all?) down to get it working again.
I don't know how Chrome handles this so I cannot compare. TBH still worth using FF over that adware!