1. Are there any plans to remove the 'Simplified domain names filter' from the System-wide Ad Blocking and only base it on the blacklist/whitelist?
There are over 13000 domains in there and in the previous version, I only blocked about 50-100 domains manually due to certain wifi networks/carriers intercepting DNS requests.
That's a good question, it's worth filing a feature request:
https://github.com/AdguardTeam/AdguardForiOS/issues/369
2. Will DNSCrypt be implemented since AdGuard DNS supports this already?
Yes, eventually. iOS imposes serious RAM limitations on the VPN extensions, so we need to test it very thoroughly.
3. When adding a new domain to the System-wide Ad Blocking blacklist/whitelist, what format does it accept?
Using the Log to add to white/black list, it adds something like a.domain.com but the online documentation says to use ||a.domain.com^.
Blacklist does not support basic rules syntax, just domain names.
"a.domain.com" will block "a.domain.com" and all its subdomains.
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@avatar-adg just a quick question. Since system wide blocking is enabled , do i still need to enable the content blocker extension for safari? Would that in any case be counter productive??
You'd better enable content blocker as well. Safari content blocker is no doubt the best way to block ads in Safari. It is more flexible than the system-wide hosts-blocking approach. Also it supports cosmetic filters, which is mandatory for blocking some types of ads (like Google search ads for instance).