Updated my phone to iOS 11.3 last night. AdGuard iOS stopped blocking ads on all pages.
Checked for updates, no app updates found, it did update filters.. but that didn't help.
Removed app and re-installed it, that seems to have fixed it.
First post in the forum! ;o)
But on a serious note, started using Adguard as a trial about a week ago, bought licenses 3 days ago, very happy with it...
..but yesterday, Youtube has stopped playing. If I disable using adguard assistant, it won't play. If I turn off Stealth mode, it...