Bonum Certa Men Certa

Post About Whether Vivaldi is a GPL violation Was Quietly Knifed by the Mods of /r/uBlockOrigin in Reddit

Guest post by Ryan, reprinted with permission from the originals [1, 2]

This is the most Reddit thing ever.



So I posted yesterday that Vivaldi Adblock is basically just a ripoff of Adblock Plus and uBlock-Origin code, and that code is licensed under the GNU GPLv3, which talks of “conveying” the software as part of a larger work.



Which is what Vivaldi does.



It’s really hard to write an ad blocker that works right, much less an entire web browser. Vivaldi admits that their browser engine is Chromium, but they’ve effectively plagiarized the ad blocker as their own by stamping a “Vivaldi Adblock” brand on it.



When you do this, your work becomes part of the whole, and must be under a compatible license. However, Vivaldi as a whole is proprietary, meaning it likely violates the licenses of Adblock Plus and uBlock-Origin.



However, when I posted to Reddit’s support forum for uBlock-Origin requesting a code review of Vivaldi’s source dump, they quietly changed it so that the only people who could see it are me and the moderators.



Have a look.



In Reddit on Vivaldi

Many GPL violators get away with it because none of the copyright holders bother to enforce their license.



If they’re not going to enforce their license, they should just go ahead and release it under a permissive license so that companies don’t get the idea that they can simply steal and misappropriate code and nothing will happen to them later involving the DMCA, similar laws, and court.



(Which is what those companies use against a single mother of 3 who downloaded 14 MP3 files.)



The copyright holders of the Linux kernel have never bothered enforcing their rights and so Linux gets stolen this way all the time. And yes, you can say someone stole/pirated Free Software if they misuse it against the terms of the license, assuming the concept of stealing/pirating software is a valid concept at all. The authors have as many rights as anyone else who releases a copyrighted work.



Companies who want to get away with “Free Software piracy” and not get dragged into court, like Sony, commission work to replace software where the author will assert their rights (like when Sony sponsored Toybox to replace Busybox), and they also discourage people from giving copyright assignment to entities that will use it to protect the software from being misused, such as how they attack the Free Software Foundation and make it seem unfair that they asked for assignment.



The result is, they are sometimes successful, and the project becomes hard to protect.



In the past, Jamie Zawinski worked for an employer called Lucid.



They forked Emacs because they wanted to add features to it without assigning copyright to the FSF. Some of them were good features, but the FSF had to implement them separately, without looking at “XEmacs”, and the two diverged, and eventually XEmacs faltered and died after Lucid went out of business.



That fork and the death of all of that code never would have happened had they agreed to give the FSF copyright assignment and work in a participatory fashion, instead of taking JWZ’s attitude that “the FSF is impossible to work with”, after they received more from GNU Emacs than they ever would have given back.



JWZ and others who encourage authors to strip the “or any later version” language from the LGPL and GPL licenses do the entire Free Software community a disservice years down the road, because newer versions of the licenses come out to address threats and harms to computing perpetuated by hostile entities such as Microsoft, Apple, and Sony, but people who find some software under, say, the GPLv2-only and the GPLv3 cannot legally convey them as part of a new work that takes the best of both and extends them, or “upgrade” the LGPLv2.1 to something compatible with the Apache v2 license, or any number of other possible combinations.



This ultimately leaves us all worse off because of lost potential innovation, and people should simple leave the “or any later version” alone and trust other users and developers to make the right decisions 10 or 20 years down the road, instead of watching their software become difficult to use in anything, and then dying. Do you want that for your software? Because you shouldn’t.



Unfortunately, Fedora and Red Hat are now part of IBM, and IBM attacks the GPL and FSF the same way Lucid and JWZ did, only they’re still a very large company who can do a lot more harm (on their own way down). The news has been overly kind to IBM, suggesting that they’re in anything other than some kind of a freefall, and I laugh when NPR is on in the car talking about IBM as if it has a bright future, then disclosing they take IBM money.




This is a blind paste from Reddit. Someone replied to my post about what would make Vivaldi Adblock a GPL violation and this is my response to that. The emphasis at the bottom, about extension store license policies is added to this blog for effect.



Well, the question has come up before in the context of the Linux kernel.



Their position is that the kernel exports “symbols” to drivers that are flagged “GPL-only” and ones that anyone can use. The programmers and lawyers decide which parts they feel are something that is “internal” and should be off limits to anything not under a compatible license.



Unless Vivaldi has changed something dramatically in how the ublock-origin or Adblock Plus code works, I believe it should be using WebRequest API.



Google’s (Chrome Extension) Manifest v3 didn’t go over so well because it wanted to set WebRequest API such that extensions can’t modify network requests and have to use a “DeclarativeNetRequest” API that has essentially been neutered to set an upper limit on the rules.



However, since these extensions can use tons and tons of rules, and Vivaldi Adblock reports success loading well over 150,000 rules, I think it’s probably still WebRequest.



Vivaldi said they were not happy with Google’s Manifest v3 and were moving ad blocking to an internal feature to safeguard against that. Obviously, if they don’t like the limitations on WebRequest, if Google decides to go through with them, Vivaldi can patch them back out and fork ad blocking to keep letting the user load as many rule sets as they like.



Of course, there are other concerns, like Vivaldi doesn’t have a large base of users, and at this point it would basically be them and possibly Firefox not going along with the neutered WebRequest, and are people going to maintain lists for browsers that don’t neuter the API?



Anyway, my point, I suppose, is if Vivaldi is distributing them as if it were two different programs and if they are just using WebRequest, that _might_ be okay as long as they release their modifications to the ad blocker code under the GPLv3.



However, if they move it, (or already have moved it) to use a special internal API (like Brave-Adblock does, which is okay because Brave wrote their own and licensed it under MPLv2) in the browser that is not generally available to other extensions (because it performs better or something), that’s really where *I* would think they’d be in non-compliance.



But I’m not a lawyer.



I’m just comparing this to the “Linux” model of “If it’s available to everyone, go for it.”.



Sniffing their description of “Vivaldi Adblock”, however, it seems they imply their built-in functionality performs better than an extension. If it uses WebRequest, then how does it perform better?



See: https://vivaldi.com/features/ad-blocker/



Note: They also border on slandering uBlock-Origin just because it’s an extension that they don’t bundle. Lots of extensions are shady, even if they end up in Google’s store, but Raymond Hill seems trustworthy and if you make sure to only install open source extensions, you’re probably okay.



In fact, one of the biggest downsides to Chromium browsers getting extensions from Google’s store vs. Firefox add-ons, is that Firefox lists what license you’re agreeing to, and Google doesn’t.



“Oh, you paid us five bucks? Yeah, sure do whatever! Toss your Chinese malware in there!” -Google

Recent Techrights' Posts

Attacks on Techrights Make Techrights Stronger and Attract More Whistleblowers to Techrights
The harder they attack us, the more productive we become
An American War on GNU/Linux, Software Freedom, and British Investigative, Science-Based Reporting - Part III - Very Strong Legal Basis for an Appeal
The case is now being escalated to a Foreign Secretary and former Deputy Prime Minister
No Slop Found in RSS Feeds, Only in Google News
No slopfarm will survive for very long, certainly it'll go bust as soon as readers (if it had any) know what it is
What the Solicitors Regulation Authority (SRA) and Action Fraud UK Have in Common
Don't let London become the world's "crime capital"
Dr. Andy Farnell on How GAFAM, NVIDIA and Others Lie to People Via the Sponsored Media to Prop Up Lies Under the Guise of "AI"
Lots of key aspects are covered
 
Links 10/03/2026: Rust Rewrites by Slop "20,171 Times Slower", "You MUST Review LLM-generated Code"
Links for the day
Over at Tux Machines...
GNU/Linux news for the past day
IRC Proceedings: Monday, March 09, 2026
IRC logs for Monday, March 09, 2026
The Register MS Has Just Taken Money From Google (Where the Former Chief Editor Now Works) for Femmewashing and Ponzi Scheme Promotion
now The Register MS not only promotes a Ponzi scheme but also bags money to pretend Google respects women
People at IBM Are Still Smart Enough to Understand What's Really Going on
"I would never refer someone to work at IBM that I liked! I hope all of you have reviewed IBM on Glassdoor."
European Patent Office (EPO) to "Eventually Eliminate the Tasks Performed by Formalities Officers"; EPO Run by People Without Experience in Patents
full paper
RMS is 73 Next Week
Richard Matthew Stallman (RMS) turns 73 exactly 7 days from now
Iran & FSFE: blackmailing women, from football to the French Government (CNIL)
Reprinted with permission from Daniel Pocock
Police investigations, lawsuits & Debian leader election candidate shortage
Reprinted with permission from Daniel Pocock
Richard Stallman (RMS) Has Defeated Cancel Culture, a Mostly American Phenomenon
RMS is talking now
Links 09/03/2026: Many Security Breaches and a Pandemic of Censorship
Links for the day
People Who Work or Worked at IBM Hate It
bluewashing is only the first step
Richard Stallman (RMS) Talks in 30 Minutes, Next Stop Bern (Last Stop)
We assume he'll travel back to Boston after that
IBM's Fedora as a Booster of Slop Disguised as Code or Computer Programs
Maybe we should also stop seeing a doctor and instead ask chatbots about symptoms?
Richard Stallman (RMS) Talk Five Hours From Now
there is growing recognition for what he really did for everybody
EPO Strike 10 Days From Now, Planning Assembly Tomorrow, Last Couple of Strikes Had High Participation Rates (1,500-1,600 Staff Went on Strike)
The next strike is in 10 days' time and then there will be another strike
Links 09/03/2026: GAFAM Outsourcing, "MAGA Political Meddling" in EU, Indonesia Bans Social Control Media for Children Under 16
Links for the day
Using Slop (and Slop in Articles) to Attack Copyleft 'on Budget'
This article is pure BS from an anti-GPL and anti-RMS 'activist'
Why The Register MS Sold Out to Microsoft: They're Losing Lots of Money, The Register MS is Bleeding to Death, Based on Its Own Financial Records
With over 6 million pounds in debt (nearly 10 million US dollars) we guess it's likely some other company will take over the site (if it deems it worthwhile)
Microsofters' SLAPP Censorship - Part 7 Out of 200: Like With the Serial Strangler From Microsoft, Misuse of UK-GDPR to Try to Hide Embarrassing Facts
They do and say really bad things, then allege it's a "privacy violation" to mention those things
Over at Tux Machines...
GNU/Linux news for the past day
IRC Proceedings: Sunday, March 08, 2026
IRC logs for Sunday, March 08, 2026
Gemini Links 09/03/2026: Exponentials and Tailscale
Links for the day
Sloppyleft
Article by Alexandre Oliva
Hard to Replace 'Human Touch'
The reason many people insist on using GNU
Richard Stallman Gives Talk in 20 Hours at Ostschweizer Fachhochschule Campus in Rapperswil-Jona
The talk is in English
The Slop Companies Gamble at Our Economy's Expense and They Know It's a Losing Bet (So It's a de Facto Robbery)
The crash of this bubble isn't just inevitable, it's already happening and receding sporadically because of false announcements about money that does not actually exist (to "buy time")
Suppressing Speech by Blackmail, the Iran Story
When Debian wanted to stage a seemingly legitimate election it needed to have more than one candidate running; so eventually the female partner of a geek rose to the challenge (had no coding skills at all, no technical history in Debian) and lost to the "incumbent German"
Too Focused on Buzzwords the Media is Paid to Saturate the Collective Mind With
Just because companies do really bad things in the digital realm does not imply "AI" or follow from "AI"
Discrimination and Prejudice Against Female Journalists
we can shame people who attack a reporter on the grounds of gender
An American War on GNU/Linux, Software Freedom, and British Investigative, Science-Based Reporting - Part II - Trying to Put People in Prison for Committing the Act of Journalism
This is abuse of process
Attack on Copyright and Copyleft by Code Conversion Is Nothing New, It Predates Slop (Code Produced by LLMs) by Several Decades
Even back in the 90s many people converted programs from one language to another. That could invalidate copyleft (and copyright), which already existed
Almost a Slopless Weekend for "Linux"
Let's hope slop will come to an end or sites will cease linking to slop
Insiders Explain Why IBM is Dying and the Inherent Culture Problem
There are many ways to shave this IBM cat
Links 08/03/2026: Microsoft Lost $400 Million on "Project Blackbird" and Half the States Sue Over Illegal Tariffs
Links for the day
Links 08/03/2026: Cisco Holes Again and "Blatant Problem With OpenAI That Endangers Kids"
Links for the day
Activism/Journalism in Our Blood
one must fight for one's principles
Gemini Protocol in Its Prime
What's particularly neat about Gemini Protocol is that it's fast and cheap
Microsofters' SLAPP Censorship - Part 6 Out of 200: Intentionally Misnaming Women, People Who Offered to Testify That They Too Had Been Subjected to Similar Abuse
Today it is International Women's Day
Even Fedora Leadership Cannot Figure Out the Microsoft Kill Switch/Back Door, 'Secure' Boot
It does not actually enhance security
Bruce Perens: Richard Stallman "Has Achieved His Goal"
Stallman's next talk is tomorrow
Over at Tux Machines...
GNU/Linux news for the past day
IRC Proceedings: Saturday, March 07, 2026
IRC logs for Saturday, March 07, 2026