question about sorting, grouping and framecontentrenaming

[simoncn]

You can add a ReleaseYear tag to your files and expose it for browsing by adding ReleaseYear to indexTags.

You can reverse the sort order of a tag by using the + and - prefixes in indexTags and sortTags. See this section and this section.

I don't have any plans to change tagUpdate to allow string matching within tag values.