this post was submitted on 14 Aug 2026
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2018
Firefox is now the last major browser that still supports uBlock Origin (www.pcworld.com)
submitted 4 days ago by mesamunefire@piefed.social to c/technology@lemmy.world
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Firefox says it will keep supporting uBlock Origin even as Microsoft Edge and other Chromium browsers phase it out under Manifest V3.

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[–] WhyJiffie@sh.itjust.works 1 points 1 day ago (1 children)

I just loaded up YouTube and didn't see a single call to a known ad server, so this seems to be false.

of course you didn't. on youtube ads are not served from different domains. have you ever heard about pihole not being able to block youtube ads? that's why. every ad is literally a video uploaded to youtube, it is even possible to watch them as videos, with their own video page.

Also: the CPU usage of loading even a couple MB-worth of ads is negligible compared to the overall resource hungriness of Chromium.

not always the case, differs by ad and ad framework, but the memory savings are still significant. and the difference matters more on weak computers, old computers, battery powered computers and when you are on a metered network.

I did notice that every now and again YouTube would block me from using it due to detecting the adblocker, but is that an inherent disadvantage of Mv3?

I don't know if that's what causes that. but not being able to update filterlists independently means that nobody can react quickly to when a website starts detecting a content blocker, or when ads start reappearing. the needs to wait for the next addon update, which may take multiple days.

And why wouldn't the extension developers then embed the updated filter lists and just release them as extension updates? Does Google limit the frequency of those?

because all addon updates go through a review. the effectiveness of it is largely debatable, but it delays updates significantly.

[–] Alaknar@sopuli.xyz 1 points 54 minutes ago

of course you didn’t. on youtube ads are not served from different domains. have you ever heard about pihole not being able to block youtube ads? that’s why. every ad is literally a video uploaded to youtube, it is even possible to watch them as videos, with their own video page.

So it's not a privacy issue, it's an ad issue. Which doesn't show, it's blocked.

What does uBO do different here?

or when ads start reappearing. the needs to wait for the next addon update, which may take multiple days.

Just FYI - that only happens to me on YouTube every once in a while. Like, three times this year for a day or two.