Unsurprisingly, it is not possible to pack shadow tiddlers from already existing plugins.
1) This should be mentioned where the filter area is
2) More seriously, this causes a lot of extra work when making an update because all the tiddlers must be manually made into non-shadow tids by opening them one-by-one and saving again. Very tedious and truly annoying when doing several updates because you realized you needed to tweak something.
Unsurprisingly, it is not possible to pack shadow tiddlers from already existing plugins.
1) This should be mentioned where the filter area is
2) More seriously, this causes a lot of extra work when making an update because all the tiddlers must be manually made into non-shadow tids by opening them one-by-one and saving again. Very tedious and truly annoying when doing several updates because you realized you needed to tweak something.