Firefox Has Integrated Brave's Adblock Engine
nreece
114 points
48 comments
April 25, 2026
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Discussion Highlights (7 comments)
nextaccountic
Does this benefit people that use uBlock Origin? Maybe uBlock Origin for Firefox could be updated to make use of this
devsda
I hope this isn't a precursor to removing support for other AdBlock addons(MV2) citing native availability of an AdBlock engine and then gradually shift to acceptable ads etc.
gtrevorjay
This feels like a betrayal of their ousting of Eich in the first place. I can't imagine a world I would do this and be able to look at myself in the mirror.
Steve6
I migrated from Firefox to Brave years ago, and it's been incredible. It's easy to turn off the crypto stuff and turn on more advanced privacy protection. Then it's just a fast browser with awesome adblocking. My favorite recent feature has been Brave Scriptlets, which are just little javascript functions you can run on specific sites. I've replaced most of the add ons I used with small scripts. Pretty nice. I would prefer an engine not built on Chromium... but I've lost faith in Mozilla. I'm glad that Firefox added a built in adblock engine, but it seems too late too late. Brave has been awesome, and being Chromium based gives them time to keep working on stuff that matters.
fishgoesblub
It's surprising, and disappointing that this hasn't happened sooner. A real shame that it took a browser company other than Mozilla to make (In Rust no less!) adblock-rust. I wonder if this could've been a native Firefox feature and selling point years ago if Eich wasn't kicked out.
MrAlex94
I think people are reading into this too much - I don’t think Mozilla would ever implement an actual full spectrum ad blocker (although who knows with the new direction Firefox is headed), this will likely be used as an improvement/replacement for the current tracking protection implementation. Weirdly enough, the same time this was added to Geckko is when I started implementing the adblock-rs library for Waterfox - I stumbled across the bindings by accident when using searchfox on the main branch instead of esr140! Quite the coincidence doing it at the same time.
gbil
If this means that they release a iOS version with the same Adblock features as brave then I’m sold. I use essentially all OSs and I want a browser with basic features like adblocking/custom filters on all the platforms and currently Firefox fails this on iOS devices. Still I believe the Firefox sync is much more robust than eg. Brave one , among various platforms. But then I will also need Firefox to fix keyboard shortcuts on Android which they had until the Fenix rebase some years ago and still haven’t fixed since