New commit brings new feature - Typographic Spaces. User can set small distances for provided chars. Amount of % of space char for current font is add before or after provided chars if previous/next char in text is different and is not space or other white char.
There is not made any changes is text like removing unwanted space chars or add where space chars are misiing. It only add some space to glyphs making them wider, but without streching.
Settings are part of Document Preferences.