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> MV3-based content blocker

Yes.

I assume Firefox doesn't have Chrome's arbitrary limit on the number of filtering rules, right?

I do know that Firefox has no plans to deprecate webRequests API (that the non-lite version depends on), while also supporting declarativeNetRequest (that the lite version depends on) for compatibility.

What I don't know is:

1) whether their implementation of declarativeNetRequest has that arbitrary limitation

2) whether uBO Lite ships the same (limited) filters in the Firefox release.

I'm guessing 2) is true for simplicity, but that's purely a guess.

While I was trying to find out what Firefox's limits are I came across this interesting issue on the W3C's webextensions repo: https://github.com/w3c/webextensions/issues/319

4 days ago the Chromium developers proposed upping the limit for certain types of declarativeNetRequest rules based on data AdGuard provided on real world rule lists. https://docs.google.com/document/d/1srkkCJkl4X2KOOUwnpDd-kvm...

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