Mozilla: Soon Your Add-Ons Will Work With Firefox Beta and Aurora

“Mozilla is revamping the way Firefox add-ons are tested. The
changes will ensure that fans of the new Aurora and Beta early
release channels can test future versions of Firefox and have
working add-ons.

“Previously Mozilla would not mark add-ons compatible with a new
version of Firefox until the add-on author had tested it against
the latest release.”

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