Description
https://hg.mozilla.org/releases/mozilla-esr91/rev/cee76519645b (regression)
https://hg.mozilla.org/releases/mozilla-esr91/rev/b6173cd78c9d522f2e3257c408933db4f9cedc13 (NSS)
https://hg.mozilla.org/releases/mozilla-esr91/rev/45d3fd63bd24f66072a16d23fefc01c3c68a0bb1
https://bugzilla.mozilla.org/show_bug.cgi?id=1719150
https://hg.mozilla.org/releases/mozilla-esr91/rev/b2ce3f908336fe51762dfcea6c4f950841e174d5
https://hg.mozilla.org/releases/mozilla-esr91/rev/3eef2fe29d57c10fb53bab5000c948ee82b82c5e
https://hg.mozilla.org/releases/mozilla-esr91/rev/ec4389b44990 (OS X specific, may help with our widget weirdness)
https://hg.mozilla.org/releases/mozilla-esr91/rev/d350a75e651733f936836057c59a4e8f63a1d266
https://hg.mozilla.org/releases/mozilla-esr91/rev/da53bf5bac5da0dbc69fa6ec8c01afeaf187829a
https://hg.mozilla.org/releases/mozilla-esr91/rev/bd4d7d89779a2299d2b0e00049d951956f5a8735
https://hg.mozilla.org/releases/mozilla-esr91/rev/4b0d941ab1a32ee34cd62086aca5102a154cf1a4 (low priority)
https://hg.mozilla.org/releases/mozilla-esr91/rev/daa65d44963e88bcc4c4c295aa54116560087e5d