KNOWN_ISSUES.md

The list of the filtering related bugs and problems

Known filtering problems should be added to this list

For each problem there should be opened an issue in the corresponding repository

1. Problem: The rules that are present in the filters for AdGuard for Safari or iOS does not apply [Resolved]

It seems, fixed in AdguardTeam/FiltersRegistry#655

* https://github.com/AdguardTeam/AdGuardForSafari/issues/737
* https://github.com/AdguardTeam/AdguardForiOS/issues/2027
* https://github.com/AdguardTeam/AdguardForiOS/issues/2026
* https://github.com/AdguardTeam/AdguardForiOS/issues/1970