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PSA: The Tesseract frontend includes a hardcoded hidden instance blacklist with all leftist and trans-friendly instances.
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Carl N. Yon lemmy.world Canyon201@lemmy.world
Joined: 2023-08-03
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I discovered this after upgrading our instance yesterday, which also upgraded all frontends to their latest versions as well. After I did, our Tesseract frontend stopped working and I noticed immediately as it's been my primary for a while. Initially I thought it was an API version mismatch, but no, it was much worse.

Someone pointed out that the developer of the frontend added an explicit hidden and unmodifiably blacklist which includes any and all instances to the left of Kissinger. There's a commit which also explains their specious reasoning about our instance specifically, as it seems we've been on their shit list for a bit longer than that.

This instance and its admin staff encourages identity politics, groupthink, mob mentality, and extremist solutions to societal problems. Users who advocate violence are not moderated so long as the admins agree with the target. Caution and critical thinking are advised when interacting with this instance or its users.

When you use tesseract to connect to one blacklisted such instance , you just get a message informing you that Tesseract is "incompatible with that instance" which leads one to think of a technical issue, like an API mismatch, rather than the dev being an opinionated coward.

Isn't it funny how all the software developed by turbolibs, like Piefed and Tesseract, end up with hidden control mechanisms from developers who think they know better than everyone else? That they don't just think they deserve to tell you what you should think, but they should manipulate you to think it? Isn't it funny how libs go on about how bad it is to support lemmy due to the ideology of the devs behind it, and yet lemmy has 0 opinions as a software? It does make one think...

Anyway, I forked - it as one does - and disabled the blacklist, but since this is a massively ideologically compromised software, I'll doubt I'll keep this frontend up after Lemmy 1.0. I think we'll bring up mlmym again now that someone's maintaining it again.

215   Original
audaxdreik pawb.social audaxdreik@pawb.social
Joined: 2023-06-21
#2 · Quote Reply

Boo! Add pawb.social, furries deserve to be there, too! (complimentary)

46
Zak lemmy.world Zak@lemmy.world
Joined: 2023-06-11
#3 · Quote Reply

Opt-in denylists with pre-populated categories would be a reasonable feature. A frontend author trying to trick users into thinking there's a technical issue with servers the author doesn't like is presumptuous and disrespectful of the user.

People did similar stuff with Mastodon clients when the far-right microblog service Gab migrated its backend to a Mastodon fork and I didn't like that either.

45
Alcoholicorn mander.xyz Alcoholicorn@mander.xyz
Joined: 2025-06-24
#4 · (edited) Quote Reply

Boo! Add pawb.social, furries deserve to be there, too! (complimentary)

Honestly the fact that yall didn't make the cut seems insulting.

Edit: Congrats to @chosensilence@pawb.social!

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magnetosphere fedia.io magnetosphere@fedia.io
Joined: 2023-06-30
#5 · Quote Reply

Sleazy and dishonest, yet unsurprising. Thanks for letting people know!

32
poVoq slrpnk.net poVoq@slrpnk.net
Joined: 2022-09-19
#6 · (edited) Quote Reply

As long as Lemmy doesn't support password-less and revokable logins, no one should be using alternative web frontends hosted by someone other than their trusted server admin. And as this issue clearly shows, when an admin hosts it themselves the dev can't hide it and it is easy to circumvent.

16
QuentinCallaghan sopuli.xyz QuentinCallaghan@sopuli.xyz
Joined: 2021-02-01
#7 · (edited) Quote Reply

A frontend should be a frontend. The decisions of what to blacklist should be up to the frontend's user. Stupid decision on the developer's part.

62
OpenStars discuss.online OpenStars@discuss.online
Joined: 2023-12-31
#8 · (edited) Quote Reply

When asked about this HARD-CODED feature that was barely announced when it was slipped into the code, the authors' response was:

If you dont like it, fork it. Stop bothering us about it, we will never fully remove the slur filter.

- source

Oh wait... my bad, that was Nutomic, speaking about Lemmy. Tbf, after a huge outcry, they did later relent.

I guess software having ideology injected right into it is par for the course these days. It takes an ENORMOUS amount of effort to find any workable solutions otherwise. Compromise is an art, and all the purity testing among leftists works against it (which btw is why conservatism and fascism is winning across the globe right now, at least initially, bc they are willing to set aside their differences in order to achieve a common objective).

Fwiw I would suggest removing this particular feature from a front-end UI alternative and leave such matters to the back-end. Being able to personally block instances is superb, and offering a visual guide to which ones that someone might want to block would also be great, but hard-coding a dedicated list is ineffective at best, especially when the instance admins simply remove it from the code as they run the software without it.

-23
EpeeGnome feddit.online EpeeGnome@feddit.online
Joined: 2025-06-05
#9 · Quote Reply

Wait, what hidden control mechanisms are baked into Piefed?

12
FleetwoodLinux lemmy.zip FleetwoodLinux@lemmy.zip
Joined: 2025-06-30
#10 · Quote Reply

When asked about this HARD-CODED feature that was barely announced when it was slipped into the code, the authors' response was: If you dont like it, fork it. Stop bothering us about it, we will never fully remove the slur filter. - source Oh wait... my bad, that was Nutomic, speaking about Lemmy. Tbf, after a huge outcry, they did later relent. I guess software having ideology injected right i...

Ah yes, a slur filter to prevent people from saying particularly messed up stuff, definitely the same as "I'll block all of my enemies for everyone"

16
Carl N. Yon lemmy.world Canyon201@lemmy.world
Joined: 2023-08-03
#11 · Quote Reply

Wait, what hidden control mechanisms are baked into Piefed?

Every account on PieFed has a Social Credit Score, aka your Reputation. If your account has less than 100 reputation and is newly created, you are not considered “trustworthy” and there are limitations placed on what your account can do.

13
Carl N. Yon lemmy.world Canyon201@lemmy.world
Joined: 2023-08-03
#12 · Quote Reply

When asked about this HARD-CODED feature that was barely announced when it was slipped into the code, the authors' response was: If you dont like it, fork it. Stop bothering us about it, we will never fully remove the slur filter. - source Oh wait... my bad, that was Nutomic, speaking about Lemmy. Tbf, after a huge outcry, they did later relent. I guess software having ideology injected right i...

what slur do you want to say?

22
Cowbee [he/they] lemmy.ml Cowbee@lemmy.ml
Joined: 2023-12-31
#13 · Quote Reply

When asked about this HARD-CODED feature that was barely announced when it was slipped into the code, the authors' response was: If you dont like it, fork it. Stop bothering us about it, we will never fully remove the slur filter. - source Oh wait... my bad, that was Nutomic, speaking about Lemmy. Tbf, after a huge outcry, they did later relent. I guess software having ideology injected right i...

You're equating Lemmy's now disabled slur-filter to a hard-coded censor list of queer and leftist instances and users. Are you aware of how that comes across?

18
goferking (he/him) lemmy.sdf.org goferking0@lemmy.sdf.org
Joined: 2023-08-03
#14 · Quote Reply

You're equating Lemmy's now disabled slur-filter to a hard-coded censor list of queer and leftist instances and users. Are you aware of how that comes across?

They don't care because that's all they got to deflect from any obvious issues and attack those they hate

7
Cowbee [he/they] lemmy.ml Cowbee@lemmy.ml
Joined: 2023-12-31
#15 · Quote Reply

They don't care because that's all they got to deflect from any obvious issues and attack those they hate

Checks out.

8
DarkSirrush piefed.ca DarkSirrush@piefed.ca
Joined: 2025-06-07
#16 · Quote Reply

Opt-in denylists with pre-populated categories would be a reasonable feature. A frontend author trying to trick users into thinking there's a technical issue with servers the author doesn't like is presumptuous and disrespectful of the user. People did similar stuff with Mastodon clients when the far-right microblog service Gab migrated its backend to a Mastodon fork and I didn't like that either.

Piefed also did this shit, so annoying.

11
goferking (he/him) lemmy.sdf.org goferking0@lemmy.sdf.org
Joined: 2023-08-03
#17 · Quote Reply

Checks out.

It's like they have a canned response where they added stuff at the end to try focus anything towards ml because of the slur filter when people question piefed or others they like.

Example

https://lemmy.world/comment/24492014

4
Cowbee [he/they] lemmy.ml Cowbee@lemmy.ml
Joined: 2023-12-31
#18 · Quote Reply

It's like they have a canned response where they added stuff at the end to try focus anything towards ml because of the slur filter when people question piefed or others they like. Example https://lemmy.world/comment/24492014

Seems excessively strange to have such a strong reaction towards a now-defunct slur filter.

7
goferking (he/him) lemmy.sdf.org goferking0@lemmy.sdf.org
Joined: 2023-08-03
#19 · Quote Reply

Seems excessively strange to have such a strong reaction towards a now-defunct slur filter.

Oh this would explain it. https://lemmy.world/comment/24877103

Now wondering if it's another dev or pr person for piefed.

1
goferking (he/him) lemmy.sdf.org goferking0@lemmy.sdf.org
Joined: 2023-08-03
#20 · Quote Reply

Seems excessively strange to have such a strong reaction towards a now-defunct slur filter.

Oh another one https://feddit.uk/comment/26283971

2
Cowbee [he/they] lemmy.ml Cowbee@lemmy.ml
Joined: 2023-12-31
#21 · Quote Reply

Oh this would explain it. https://lemmy.world/comment/24877103 Now wondering if it's another dev or pr person for piefed.

Big time shill.

2
Cowbee [he/they] lemmy.ml Cowbee@lemmy.ml
Joined: 2023-12-31
#22 · Quote Reply

Oh another one https://feddit.uk/comment/26283971

Wow.

3
OpenStars discuss.online OpenStars@discuss.online
Joined: 2023-12-31
#23 · Quote Reply

what slur do you want to say?

What instance's content would you like to access from Tesseract?

-4
OpenStars discuss.online OpenStars@discuss.online
Joined: 2023-12-31
#24 · Quote Reply

Ah yes, a slur filter to prevent people from saying particularly messed up stuff, definitely the same as "I'll block all of my enemies for everyone"

I happen to disagree - they are not the same thing at all, especially given the time differential. It's a good thing I never said that they were.

There are similarities though. See if you can spot them. Hint: their both having been HARD-CODED is one of them...

-2
Luca Sironi sironi.xyz luca@sironi.xyz
Joined: 2025-12-11
#25 · Quote Reply

@Canyon201 I don't know the software and the instance, but keeping a blacklist in an open source software is beyond stupidity

8
Carl N. Yon lemmy.world Canyon201@lemmy.world
Joined: 2023-08-03
#26 · (edited) Quote Reply

What instance's content would you like to access from Tesseract?

lemy.lol

kind of curious which one you are going to pick for yours

6
FleetwoodLinux lemmy.zip FleetwoodLinux@lemmy.zip
Joined: 2025-06-30
#27 · Quote Reply

I happen to disagree - they are not the same thing at all, especially given the time differential. It's a good thing I never said that they were. There are similarities though. See if you can spot them. Hint: their both having been HARD-CODED is one of them...

But OpenStars! You're commenting using the HARD-CODED frontend that talks to the HARD-CODED backend!!!

How disingenuous can you be?? People are clearly upset about the combination of it being a personal blocklist/vendetta/whatever and it being forced on all users, not solely the fact that omg it's HARD-CODED. While some people may have disagreed with the slur filter it didn't ultimately prevent interaction, enabled or not; unlike this.

5
OpenStars discuss.online OpenStars@discuss.online
Joined: 2023-12-31
#28 · (edited) Quote Reply

But OpenStars! You're commenting using the HARD-CODED frontend that talks to the HARD-CODED backend!!! How disingenuous can you be?? People are clearly upset about the combination of it being a personal blocklist/vendetta/whatever and it being forced on all users, not solely the fact that omg it's HARD-CODED. While some people may have disagreed with the slur filter it didn't ultimately prevent...

"it being forced on all users" and it being "HARD-CODED" are one and the same thing, that's what hard-coding means.

Hard-coding is the least transparent, least friendly, least documented, and least simple-to-understand form of putting something into computer program code. If instead there had been a variable like if(yes_filter_toxic_mode) then (implement these policies) then people would not be upset anywhere remotely close to the same degree, as when that feature is unable to be turned off (readily) due to its having been hard-coded.

Edit: the accuracy of the OP has now been called into question - apparently this issue is NOT hard-coded after all (reportedly, though I have not confirmed this directly myself). People can still be upset that a "toxicity" filter exists, and how it was implemented, but the fact that it is not shadow-filtering without the express consent of the instance admin makes this a much different discussion than if that filter was forced (via hard-coding) upon people unawares. Consent makes all the difference in the world!!! (The jury is still out whether this rose to the level of "informed consent", but at least that is a documentation issue, not like the dev acting with nefarious intentions as people have been claiming.)

The facts truly do matter here, and it seems that unless someone is willing to do a deep dive into the code, everything said about this issue is pure speculation. Which so far I've only seen one person willing to do, which yielded this (from link I mentioned above):

from src/lib/policies/system.ts:

export async function updateSystemFilterPolicy() {  
    if (SBDisabled && get(userSettings).enableToxicMode) {  
        SYSTEM_POLICY.set(BLANK_SYSTEM_FILTER_POLICY)  
        return  
    }  
   // auto-update of blocklist continues below  
0
FleetwoodLinux lemmy.zip FleetwoodLinux@lemmy.zip
Joined: 2025-06-30
#29 · Quote Reply

"it being forced on all users" and it being "HARD-CODED" are one and the same thing, that's what hard-coding means. Hard-coding is the least transparent, least friendly, least documented, and least simple-to-understand form of putting something into computer program code. If instead there had been a variable like if(yes_filter_toxic_mode) then (implement these policies) then people would not be...

"it being forced on all users" and it being "HARD-CODED" are one and the same thing, that's what hard-coding means.

That's what I was saying after I was being a little hyperbolic, I used a definition and your exaggerated capitalization of hard-coded interchangeably

2
OpenStars discuss.online OpenStars@discuss.online
Joined: 2023-12-31
#30 · Quote Reply

"it being forced on all users" and it being "HARD-CODED" are one and the same thing, that's what hard-coding means. That's what I was saying after I was being a little hyperbolic, I used a definition and your exaggerated capitalization of hard-coded interchangeably

I have been known to be a little hyperbolic myself - it does get in the way of clarity, unfortunately. The social media style of communication lends itself more readily towards "slamming" one's "opponent", as opposed to calm rational dialogue to arrive at a truth.

0
VitoRobles lemmy.today VitoRobles@lemmy.today
Joined: 2025-01-26
#31 · Quote Reply

For a list of the users this cucklefuck blacklisted, here it is.

https://copyparty.adrian.place/u/?doc=policy.json

Little snowflake couldn't even include me. What a bitch.

7
TragicNotCute Moderator TragicNotCute@lemmy.world
Joined: 2023-06-09
#32 · (edited) Quote Reply

For a list of the users this cucklefuck blacklisted, here it is. https://copyparty.adrian.place/u/?doc=policy.json Little snowflake couldn't even include me. What a bitch.

Please be respectful.

1  [mod]
chosensilence pawb.social chosensilence@pawb.social
Joined: 2025-05-08
#33 · (edited) Quote Reply

Honestly the fact that yall didn't make the cut seems insulting. Edit: Congrats to @chosensilence@pawb.social!

w-what? wait. what is this?? haha i am confused... is this good or bad?

edit: does this mean i was the reason pawb got blacklisted? lol

1
Alcoholicorn mander.xyz Alcoholicorn@mander.xyz
Joined: 2025-06-24
#34 · Quote Reply

w-what? wait. what is this?? haha i am confused... is this good or bad? edit: does this mean i was the reason pawb got blacklisted? lol

Pawb wasn't blacklisted, you personally were cool enough to make the list.

1
chosensilence pawb.social chosensilence@pawb.social
Joined: 2025-05-08
#35 · Quote Reply

Pawb wasn't blacklisted, you personally were cool enough to make the list.

oh hell yeah. i’m glad i made that person so irritated.

2
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