https://www.mozilla.org/en-US/firefox/android/133.0.1/releasenotes/
Fixed
Fixed a bug where saved passwords were sometimes not displayed after unlocking. (Bug 1932575)
Changed
The Desktop browsing mode preference released in 133.0 has been temporarily removed and will be enabled in a later release. This will address issues reported by users on large devices.

画面大きなデバイスでデスクトップモードでの表示が既定になるのはいったん撤回