I'm using a screen reader and FF regularly crashes due to some broken memory management in the accessibility service. If this unloading cleans the memory before it gets critical, I'm all for it.
bp-cb27fd07-ad27-49bf-b6c2-9dbbb0211005
bp-96eef135-da51-45a8-a792-d28810211005
bp-184a8916-227c-42c4-8308-6e3c00211005
bp-ba6748d3-2d93-4d84-992e-8cf960211005
bp-8bdfb00f-0e30-4cd3-826c-efb910211005
Here is the Bugzilla ticket: https://bugzilla.mozilla.org/show_bug.cgi?id=1572915