Package: thunderbird Version: 1:78.3.1-2~deb10u2 Commit a21b649 (first included in 1:77.0~b1-1) silently changed the spelling of lockPref to lock_pref . This breaking change doesn't seem to have been documented anywhere: not in debian/changelog, not in debian/thunderbird.NEWS.
Moreover, it looks like parts of the test suite (e.g., extensions/pref/autoconfig/test/unit/autoconfig-all.cfg) are still referencing the old spelling. Are these files being used? The most annoying implication of this change is that custom .js files must be updated at the same time as Thunderbird itself. It would have been more convenient if both spellings had been allowed during a transition period.
