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Comment by teddyh | Hacker News Reader

If you are running a modern Firefox, there’s still nuMatrix: <https://codeberg.org/arek/nuMatrix>

I tried it, sadly it suffers from the same issues as uMatrix: Some things silently fail. I had hoped the fork was updated for modern browsers, but it doesn’t look like it.

An example is fastmail, the service worker gets blocked from some request for images, without any blocking showing up in uMatrix. Unblocking the domain in question makes everything work.

There's still uMatrix, for that matter. gorhill hasn't updated it in 5 years, but still just werks.

Yes, I still use it and can confirm that I have had no concerns or problems with it. On the other hand, if I had to reinstall, without research, I'm not sure how I would reinstall it. Having alternatives is a good thing.

> There's still uMatrix, for that matter. gorhill hasn't updated it in 5 years, but still just werks.

Yes! I have uMatrix on all my computers. I wish it was still being updated but.. it still works great. The best ever.

I have had frequent enough issues with it silently blocking some things with no ui exposure of those blocks. Been a while now, but I think it was stuff like webrtc and other more "arcane" features.

It mostly still just works. Sometimes even with everything enabled, a site won't work.

Indeed, this is why I eventually stopped using it; sometimes a random site wouldn't function properly, and took time to figure out it was uMatrix. It was a nice plugin indeed though.

uMatrix is very hard on sites by default. When something is glitchy, I assume it's because uMatrix blocked random third-party code.

Yeah true, but I had many sites that I manually white-listed scripts / external resources, and was succesfully using those sites. But then some particular functionality of the site you rarely use once stops working, and you later find out uMatrix was still messing with some stuff, even if you whitelist all resources.

Oh, that is nice, I'll have a look at that when I'm back home.

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