The suffix is common terminology in the world of online archives and forums. While it can have slight variations in meaning depending on the platform, it usually translates to:
Because these events happen live, archives become highly sought after by those who weren't tuned in during the original broadcast. Who is "Nora"? real life cam archive video nora and 20 upd
This could mean a collection or a thread that has been updated 20 times with new video segments or links. The suffix is common terminology in the world