The recent patch and channelled abilities
You can interrupt yourself by pressing Esc
Used to work by pressing 1 though. I’m not very familiar with pressing esc during combat.
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Yeah I suppose it would be annoying if you’re not used to it. I’m guessing they changed it so people can more efficiently line up their next ability without ending the current one
You can map stow weapons to a key which cancels the current action (the same way Esc does)