Mikkel Krautz - 2013-09-03

You can use anything, as long as you enable access for assistive devices (Mumble should tell you so if you use Advanced mode in Preferences in 1.2.4).

Previously, we'd nag you at each launch - but we did away with it.

A guide: https://us.battle.net/support/en/article/enable-access-for-assistive-devices