I too would prefer having a setting to activate the TargetCasting bar rather than using a macro. (I added the command to my first attack button.)
I suggest adding a check box, similar to the "Show Auto Attack Bar" setting in the ProfitUI Control Center window. This way folks who do not want to see the TargetCasting bar can uncheck the setting, and those of us who do want to see the bar can do so without using /show_window Custom.TargetCasting to activate it.
On another note, thank you for adding the TargetCasting bar. It's appreciated.
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