Request to add 2 functions to the customizable icon toolbar: CTRL+Shift+Return & CTRL+Shift+Delete

Those are the functions @Sergius is referring to, and which had been changed to Ctrl+Shift+Enter and Ctrl+Shift+Del with v3.37-beta.1

CHG: changed shortcuts to add and remove history entries to Shift+Ctrl+Return and Shift+Ctrl+Del. (#60573)

Based on the discussion in this topic I became aware of

which I did not realize initially when changing the shortcut.

I agree with @MotleyG that

I'm now contemplating to remove the shortcut to delete a custom field value with the next version to resolve this ambiguity. It's already possible to remove values via Options → Field Values, and contrary to adding custom field values, it's probably not the most used feature in this context.