The in-program help for Remove shortcuts incorrectly reverses the shortcuts for Increase/Decrease Brush Size and Increase/Decrease Brush Feather:
The relevant lines from TranslatedStrings:
"$$$/AgDevelop/Dust/BrushSize/Increment/Shortcut=["
"$$$/AgDevelop/Dust/BrushSize/Decrement/Shortcut=]"
"$$$/AgDevelop/Dust/BrushFeather/Increment/Shortcut=Shift + ["
"$$$/AgDevelop/Dust/BrushFeather/Decrement/Shortcut=Shift + ]"
Other languages with the same problem: IT, JP, KO, NL, PL, PT, RU, TH, ZH_CN, ZH_TW.
Tested with LR 14.0 / Mac OS 14.6.1.