Simply what the title suggests - the ability to open up an automation that has previously been created and edit any part of it. Custom automations regain the ability to add and subject statements.
I agree that this would be nice to have.
Until that happens, I did a quick video on a workaround that will allow you to edit custom automations: Quick Tip - The Trick to Editing Custom Automations - YouTube
Jim - The Monday Man (YouTube Channel)
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