HI! Sorry for the long backstory, but it is not clear to me, what can cause what kind of behaviour, so here is all what i can think of related to this:
In the midle of the year i bought a router. The latest OWRT version was a 21.y.x. I installed the topic's adblock onto it, and (idk which one worked) both of the following, one packege what gives DNS-o-HTTPS, the other DNS-o-TLS. When i checked for DNS leaks, it was good. When used the internet, a good chunk of DNS requests (30-45% with 5-600k blocklist entry) were blocked by the adblocker. it was happines.
Before all above, i had 1-2 VPNs installed (split tunneling only). I used one regularly, but the other just sat on my PC.
One day, a month ago, i wanted to use the sitting one, what started, and upgraded itslef. It was the end of the day, so when i finished i just turned my PC off. Next day i was unable to reach the internet, so i tried to troubleshoot everything, and by that i reseted the router, and later found out the VPN caused it all so all was for nothing.
So since i reseted the router, i thought, before i set it up all again, i upgrade the OWRT on it. But i accidently copy-pasted a wrong version, a snapshot, so i upgraded to that, when i realised i upgraded to 22.0.3.
All seemed fine, but since this reset, i relised even if i have 1M entry in the blocklist, my ram usage is only 30-20% of the previous numbers, my counted DNS requests are in the one-hundreds, compared to 5-7k, daily, and some previously blocked URL-s are just sitting in the allowed section, what would defenetly be in the requested block-list-packs (e.g. facebook in social-themed ones).
During troubleshooting it i tried to go back to the original, non-owrt firmware, but i have issues even with that. I have tried the recommended hardest reset, without any D-o-x package, or other setting other than the vanillas and still experience the same. I have no forced DNS over TLS or HTTPS ony my PC now,
I do not know the previous version (it still had the top10s only, no top10-top50 selection), the actual is the latest.
I have no idea even where to find other things to try out. I am firtstly here to ask what problems can be related to the adblock only, secondly if all would be easy to overcome within adblock with given tips, what external causes could effect this, so i could step forward with this problem. I feel am stupid enough to this to even ask the right things.