I've updated the viewer to the latest data, and also modified the group display so that if a character contains two or more groups with the same element, the two groups are displayed in a different colour. For example the 糸 group in
or the 口 group in
It is aware of the "part" number attribute but I haven't programmed in a check for part combined with number attribute, since there are only a few of these in the KanjiVG repository.
This viewer is aimed at people editing and checking the groups, rather than people seeking kanji information.
It also includes the stroke types appended to the stroke numbers, also for people editing/checking those.