Concerning the precedent bug, I have observe some cycling (group of 9).
For example, if I just press and move a little to see what is the name of the moved category:
pressed name -> moved (ghost) name
cat 1 -> cat 1
...
cat 9 -> cat 9
cat 10 -> cat 1
cat 11 -> cat 2
...
cat 20 -> cat 1
...
For example, if I just press and move a little to see what is the name of the moved category:
pressed name -> moved (ghost) name
cat 1 -> cat 1
...
cat 9 -> cat 9
cat 10 -> cat 1
cat 11 -> cat 2
...
cat 20 -> cat 1
...