[Mod edit: Merged into this topic and added quote box for context.]
ISO support has been asked for before (just search the forum), and my reading of the tea-leaves is that chances of support are slim. Same for Blu-ray audio, I suspect.
As for the search function suggestion, the search function already seems to account for misspellings; “daivd” is recognised as “david” for example…
However, the Roon Labs team read all the posts here, so it’s down to them what they will do…