Read as option in publication
It's not null, it is "null" because you removed the default siglum from the "Commentary." I fixed it by adding back a Siglum.
Order of publication content not consistent with the order of the sections
Index error should have it fixed. If it still occurs on anything, try reordering the sections and put them back how you want and see if that fixes it.
Applying a style to tagged text within styled tagged text causes the larger tags style to be applied to the smaller tagged item
Shoudl be fixed live.
5 is fixed others are not yet, but maybe are in other tickets.
Stacking styles not happening.