On Thu, Mar 23, 2017 at 08:33:56AM +0900, Mike Hommey wrote:
On Wed, Mar 22, 2017 at 02:36:31PM -0700, Robert Helmer wrote:
Currently we support running the about:addons UI in both a standalone
window, and also in a browser tab.
Firefox has only used the latter for many years, but we've continued
to maintain tests for both, which increases both our maintenance
burden and also the time it takes tests to run.
This removal is being tracked in bug 1349723.
Doesn't Thunderbird use the standalone window?
I believe they currently use a tab. If they do use, and want to
continue using, a standalone window, they can always switch to
embedding it in a tabbed window with the chrome UI hidden.
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