[matthuisman]

I think he's asking for support for multiple epgs in the single url-tvg tag. Comma delimited I think.

I'll look into supporting it in iptv merge

UPDATE:
IPTV Merge 0.15.8 now supports x-tvg-url and url-tvg (and allows multiple urls separated by comma)

Also, for your XZ issue (https://forum.kodi.tv/showthread.php?tid=362325) I've tried those epg urls and works in IPTV Merge.
Does need Kodi 19 though.