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this post was submitted on 22 Apr 2026
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What's the difference with ublock and why not contact ublock developer to propose to integrate it instead of what did Brave? Article don't mention what is better with adblock rust! :-/
Because Rust is cool and JavaScript sucks
Yeah as much as I love ublock origin and use it heavily. I support more rust on more things. 60+% of browser CVE are memory issues. Rust was explicitly made to stop those.
Do you think that Javascript has manual memory management?
No, but it's nowhere near as strict in its management. Plenty of memory issues can still usually from unintentionally maintaining a reference to an object. forgotten global variables, uncleared timers (setInterval), or closures that stay in scope longer than necessary.
And ofc you now have the performance overhead of GC constantly running
Well yeah but a lot of actual overflows need to be fixed by making the JS runtime/JIT in Rust. Not in JS itself.
And rust doesn't protect you from bad coding. Just like JS.
Probably for the same reason that Waterfox developers gave: Because uBO is GPL licensed and combining with an MPL licensed codebase makes things complicated for downstream developers who cannot GPL license their codebase.
The Brave module is MPL licensed already.
Sure, I would prefer that everything is GPL, but it's not my project.
Ublock is way better than that brave crap. As long as they don't start moving towards Manifest 3.0 "because we have builtin adblock now" :( I wouldn't put it past Mozilla because they've really been cozying up to the ad industry. With anonym, the "privacy-preserving attribution" BS, stuff like that.