See the changelog
Propagate changes to similarly named region items
Pull changes from a previous region item (that contains this subregion)
See more at Region Item Manipulation
GUI scripts are easy (I hope..) to modify, see GUI v1
TBD
- insert region item: should disable the 'loop source' option ?
- recheck the midi item arrangement
- item copy bug? if so, post at reaper forum
- item arrangement 2 midi
- add reapack functionality