[nyanpasu64]

I wish LibreWolf supported Firefox Sync. I appreciate how they removed Firefox's sell-out advertising, promotions for Mozilla Corporation products, and telemetry by default. But I couldn't get sync to work; it's my main blocker from using it as my daily driver. (Some smaller annoyances as a developer are not having about:crashes to examine, debug, and upload coredumps on an opt-in basis, and Firefox Profiler not having LibreWolf's C++ symbols.)

[swfsql]

My sync worked normally, except for the password autofill (but the passwords are still saved on the Settings)

[nyanpasu64]

Running LibreWolf on Windows 7 on an older machine, with ublock0 set to default-deny JS for performance reasons. I tried enabling Firefox Sync in about:preferences#librewolf, visiting the settings, and logging in again. This time I got further, when I logged in I got asked for 2FA, but it logged into accounts.firefox.com but not the browser.

When I restarted LibreWolf, a Tools -> Sign In option appeared, but https://accounts.firefox.com/signin?action=email&service=syn... asked for the password of a now-removed email (which is now neither a primary nor secondary email, why is it still in Firefox's servers?!) under the same account. Entering my password said that I should use my primary email again, and selecting "Use a different account", entering my email and password, and another 2FA did not sign into sync (Tools still says "Sign in", as did about:preferences#sync). Logging in a third time emailed me instead of asking for a 2FA code, but yet again did not sign into my browser.

This accounts.firefox.com bug scares me; it reminds me of https://news.ycombinator.com/item?id=30169435. At this point, I think I'm going to delete and recreate my Firefox account to remove all traces of my old email.

EDIT: I tried deleting my Firefox account, but realized it would remove my Fenix addon collections too. I tried signing into addons.mozilla.org... and again saw my removed email on the login screen.