That picture is ALT-F8 (Partial Regen).
F8 (MultiRiff) is essentially the same thing, but does not open a sub menu.
And finally Ctrl F8 does not open any submenu, it just Regens the selected area.


BIAB – 2025, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, Motu Audio Express 6x6 - My SoundCloud (Tip: No need to create a SC account to hear music - just hit ESC ).