Analagous to CTRL-Z and SHIFT-CTRL-Z for the “old” history that works for everything but the mixer.
Also,
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if the left zone is focused on any of the 3 mix consoles, and the history tab is open, you can use the up/down arrows just like the history window.
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when the left zone is focused, pressing tab should rotate through the 3 tabs in the left zone.
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remember whatever tab you left open in the left zone, for example mix history, then when you re-open the left zone, mix history should open.
I hope this is all correct…Alexis correct me if I’m wrong.