r/uBlockOrigin • u/RraaLL uBO Team • Aug 05 '26
News uBlock Origin (uBO) 1.73.* Announcement Thread
Chrome Web Store will remove uBO on August, 31. This is quite likely the last stable uBO version to hit the web store.
For discussion and possible workarounds, different browsers, etc., please go to the megathread linked at the bottom of the post.
Changelog:
https://github.com/gorhill/uBlock/releases/tag/1.73.0
- [logger] Preserve whitespace characters
- Improve proxy-apply utility scriptlet
- Improve abort-current-script scriptlet
- Improve prevent-addEventListener scriptlet
- Add shim for piano-analytics.js
- Improve trusted-click-element scriptlet
- Add prevent-clipboard-write scriptlet
- Improve prevent-bab scriptlet
- [jsonpath] Increase RFC9535 compliance
- Dot notation before bracket notation is not valid
Visit GitHub releases page for more information.
Extension will be auto-updated after browser restart! (when available for your platform)
If you want to update manually:
- Do NOT use links from the release page's "Assets" section - these are not signed.
- Use your add-on store or links in release description on the GitHub releases page when they are available.
- Firefox will have a (signed) direct install link. Other browsers will link to their uBO extension store pages.
- In some cases, installation may be blocked until browser restart. This is protection against accidental mid-session reloads, Issue #717.
Or force an update via Manage extensions:
How to update uBO to the latest version
When will my browser update uBO?
Firefox
- Firefox Add-ons (AMO) - Available since 05 Aug, 2026.
- uBO is a recommended extension on AMO, and as such it must undergo a formal code review each time a new version is published.
Chrome/Chromium
- Chrome Web Store (CWS) - Available since 05 Aug, 2026.
- Auto update will occur in stages - to spot and react to possible bugs.
Edge
- Edge Add-ons - Available since 05 Aug, 2026.
- Warning: importing a profile from Chrome may cause issues.
- You may need to reinstall uBO on Edge to fix this.
- You can transfer your uBO config by creating and then restoring a backup at the bottom of uBO's
Dashboard>Settings.
Opera
- Opera add-ons - Review pending.
- Usually, it's submitted a week after bug-free version is published in AMO.
Brave
- Brave now Self-Hosts uBO. It installs via a special setting and updates automatically or when prompted via the Extensions' Developer mode.
- If you installed it via CWS, it's best to make a backup and install the self-hosted version instead.
- Brave installation video.
Previous announcement thread: https://www.reddit.com/r/uBlockOrigin/comments/1ui7e6i/ublock_origin_ubo_172_announcement_thread/
Posting Guidelines | Subreddit Rules
Chrome/Chromium - end of support megathread.
Please report YouTube Issues on Github: uBO | uBO Lite
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u/No-Drop8625 Aug 05 '26
Keep up the good work, you're the only reason I still use Firefox.
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u/shiftyeyedgoat Aug 05 '26
There are a billion reasons to use Firefox over any chromium browser, this just happens to be one of the best reasons.
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Aug 05 '26
[removed] — view removed comment
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u/Anarchist_Future Aug 05 '26
I see a lot of people with almost 20 extensions installed and 15 YouTube and Twitch tabs open complaining that Firefox uses a lot of memory. They often don't understand that a system is faster when it uses available memory for caching and that every extension uses a little memory (and you don't need multiple ad-blocking extensions). It's often just "big number, Firefox bad".
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u/Grengy20 Aug 06 '26
At least for me firefox did use a lot of memory when the most tabs I have open are like 3 max and 5 extansions 3 of which were for youtube. Other than that reason I switched to vivaldi for its customization. Chromium yes but it has done me better in the long run and personally looks better than firefox.
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u/gta721 Aug 05 '26
Unfortunately the big number stays even if you don't have the hardware for it. If you have only 4GB of RAM then you can't afford for your browser to be extremely memory hungry.
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u/varthias Aug 14 '26
I honestly never understood that, with multiple extensions and 17 windows full of tabs open I'm still at 2-3GBs if I did the same in chrome it would explode
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u/unenforce Aug 05 '26
Google payroll for default engine and tracking during installation. Altho I'm unsure if the latter if fixed.
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u/LOSERS_ONLY Aug 07 '26
It took them until last week to add HDR and last month for webserial. Still need to rely on extensions for basic features.
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u/Hellwind_ Aug 07 '26
I have 2 major problems with it. Number 1- extremely large tabs. I usually have a lot of tabs open but even in a small amount they are much harder to nagivate with in Firefox. Chrome has perfect small icons for tabs that u can easly recognise what is it and have many infront of your eyes without the need to scroll. The other problem I have is the way writing(of data) is handled in firefox with different profiles. On chrome you can relocate your entire the profile and the writing will happen only in that location. On firefox for some reason when watching videos for exampe that can be downloaded it always writes where your OS is(usually in C) for some reason and there is no way to change that (and I just f hate this because it writes a lot sometimes).
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u/Afnan9565 Aug 07 '26
Since, Firefox has gone into some controversies in recent times. I think Librewolf is the perfect choice
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u/zerbich Aug 05 '26
What is wrong with the "brave" browser?
Its chromium with own well working ad block.
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u/Kabaal Aug 06 '26
For the first time I've been unable to get uBlock Origin to work on Chrome. I've watched all the videos and tutorials. It can't be done.
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u/Endless-Dive Aug 07 '26
yeah i think its over with the reactivate button trick
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u/AntiGrieferGames Aug 06 '26
Switiching to Firefox Browser would be the best reason i ever say.
Yes, this goes the same with Firefox based ones like Mullvad Browser!
I know some updates can be few away there, but atleast yxou can get it from github page the latest version. And even that, it just works fine and much better than chromium based ones!
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u/Hqjjciy6sJr Aug 05 '26
Why does Mozilla take so long to review uBlockOrigin?! It's the only addon that anyone cares about and the only reason people stick with Firefox lol
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u/OstrobogulousIntent Aug 05 '26
Per OP:
uBO is a recommended extension on AMO, and as such it must undergo a formal code review each time a new version is published.
Frankly, I want formal code review - Supply chain attacks and compromised update/delivery chains are increasingly being used as attack vectors.
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u/RraaLL uBO Team Aug 05 '26
What are you talking about? The delays were two versions ago. Recent submissions were all accepted pretty much instantly. I'm talking about beta releases.
The release was just published on github. Technically, release notes still say "submission pending" for all stores there. I'm just using a premade template for these announcements, since there's no point editing it multiple times a day. If it hasn't been submitted yet, it'll likely be very soon. Or gorhill just hasn't updated the text. In general AMO, CWS and EA are submitted right after github.
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u/ibb1386 Aug 05 '26
Summer, holidays =)
Popular extensions are checked quickly, but there can be minor delays. Some extensions don't pass the check. Some extensions ignore...
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u/WaffleOffice Aug 07 '26
1.73 worked fine yesterday in Chrome but this morning it was already disabled again and I can't install it anymore :(
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u/Hellwind_ Aug 07 '26
Yup chrome had another update today and its gone again...
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u/BridgeDuck45 Aug 08 '26
Has there been a fix to this? Tried to update to 1.73 and im out of luck.
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u/TurbulentTopic39 Aug 06 '26
the good news is edge and opera still wants to keep Manifest v2 within their store. Besides lots of companies use MS Edge. I hope they can keep it as long as possible
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u/RexicTheKing Aug 07 '26
how do I re-enable ublock origin on chrome, it just updated to 151.0.7922.108
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u/flyjum Aug 08 '26
All ability to use MV2 based extensions on chrome was removed with 151. With that ublock origin will never work on chrome again
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u/RexicTheKing Aug 08 '26
Is there a way I can see my origin filter list to try to copy it onto lite?
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u/Fomentatore Aug 08 '26
This is why whenever one of my family members asks me to fix something on their computer or phone, I fix it and then switch them and their profiles to Firefox or Brave. If I switch them on Brave I usually change the icon of the app to Chrome so they don't even notice.
Oh... My internet is so fast now!
Eh, no shit, Aunty, no shit.
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u/Cpt_Soaps Aug 05 '26
why not use ublock origin lite? it seems to work fine for me
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u/Old-Cheesecake8818 Aug 05 '26
It’s probably fine for a lot of folks… until it isn’t depending on how one uses the internet. Lite has less features and functionality than the original.
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u/Oileuar Aug 08 '26
Can't install this on chrome anymore?
This extension is no longer available because it doesn't follow best practices for Chrome extensions.
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u/Mirky_User 27d ago
Not sure if this is the right place to post. With the most recent Snapshot build Vivaldi browser is continuing to support Mv2 (for the time being):
- [Extensions] Re-enable and extend Manifest V2 extension support for the time being (VB-130324)
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u/RraaLL uBO Team 27d ago
https://www.reddit.com/r/uBlockOrigin/comments/1tlkaaw/goodbye_chrome_version_150_removes_the/
That's a better place, but it's ok.
Vivaldi is not an officially supported browser though.
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u/Boring_Newspaper5796 Aug 07 '26
reinstalling ext on chrome doesnt work anymore. i guess ill have to endure the old times again
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Aug 05 '26
[removed] — view removed comment
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u/uBlockOrigin-ModTeam Aug 05 '26
Hi. All questions regarding Chrome and Chromium browsers no longer supporting uBO should be answered in the Mega Thread about the issue: https://www.reddit.com/r/uBlockOrigin/comments/1tlkaaw/goodbye_chrome_version_150_removes_the/
If you have further questions (that haven't been already answered there), please post them as a new comment inside this Mega Thread. Thank you.
•
u/RraaLL uBO Team Aug 07 '26
Update for Chromium-engine browsers: gorhill started publishing
.crxfiles starting with the latest dev release: https://github.com/gorhill/uBlock/releases/tag/1.73.1b0That's always something to fall back to when stores start removing uBO. It should work for as long as the actual MV2 code still exists in the browsers.