Realize chord symbols dialog won't open, even though the option is displayed in the menu
OS: Windows 10 (10.0), Arch.: x86_64, MuseScore version (64-bit): 188.8.131.5229, revision: 461f048
(Edited). If you just right-click over a chord symbol, without initially selecting it, the "Realize Chord Symbols" is visible but clicking on it gives an "Invalid selection" message.