this post was submitted on 10 Feb 2025
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Lemmy Release v0.19.9 (join-lemmy.org)
submitted 2 weeks ago by [email protected] to c/[email protected]
22 comments fedilink hide all child comments
 

Lemmy v0.19.9 Release

What is Lemmy?

Lemmy is a self-hosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means that there is no advertising, tracking, or secret algorithms. Content is organized into communities, so it is easy to subscribe to topics that you are interested in, and ignore others. Voting is used to bring the most interesting items to the top.

Changes

This version fixes a potential security problem, by preventing Lemmy from accessing localhost URLs. There is also a fix for a crash during markdown parsing. Lemmy now uses mimalloc instead of the system allocator (usually glibc), which should improve performance and prevent unlimited memory growth over time.

Lemmy

Lemmy-UI

Upgrade instructions

There are no breaking changes with this release.

Follow the upgrade instructions for ansible or docker.

If you need help with the upgrade, you can ask in our support forum or on the Matrix Chat.

Thanks to everyone

We'd like to thank our many contributors and users of Lemmy for coding, translating, testing, and helping find and fix bugs. We're glad many people find it useful and enjoyable enough to contribute.

Support development

We (@dessalines and @nutomic) have been working full-time on Lemmy for over five years. This is largely thanks to support from NLnet foundation, as well as donations from individual users.

If you like using Lemmy, and want to make sure that we will always be available to work full time building it, consider donating to support its development. A recurring donation is the best way to ensure that open-source software like Lemmy can stay independent and alive, and helps us grow our little developer co-op to support more full-time developers.

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[–] [email protected] 21 points 2 weeks ago (1 children)

Amazing that we are already up to 0.19.9 and on the verge of version 1.0.

The project has come a long way since 0.17.4, when I first joined. Sometimes it felt like it was taking a long time but looking back it seems like it went so fast. Thank you so much to all contributors, especially Dessalines and Nutomic.

There is still much more to be done, but I also think it's good to reflect on how far we have come.

Very nice to see the fix for the spoiler bottom margin, I have been inserting line breaks after spoilers to alleviate that issue for quite some time.

[–] [email protected] 7 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Very nice to see the fix for the spoiler bottom margin, I have been inserting line breaks after spoilers to alleviate that issue for quite some time.

I've used

(it's just a bunch of hyphens that gets rendered as a line) and that works well

[–] [email protected] 5 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Yes that's what I meant by inserting a line break. Btw you only need three hyphens.

I've become pretty adept with lemmy markdown, it's extremely useful for formatting

[–] [email protected] 3 points 2 weeks ago (1 children)
[–] [email protected] 4 points 2 weeks ago

Lol nice, thanks for the link.

I've started dreaming in markdown 😅

[–] [email protected] 19 points 2 weeks ago

Enable site languages for new user

Good news!

Also, funny to see Lemmy and Mbin having releases on the same day

[–] [email protected] 14 points 2 weeks ago

Very nice. Thank you for the continued work.

[–] [email protected] 10 points 2 weeks ago (2 children)

Is this update going to fix the report federation issues many mods have been having?

[–] [email protected] 21 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

~~I implemented reports federation recently, in current versions it is not available at all~~. So you may have to wait until version 1.0, though @MrKaplan mentioned that he plans to backport it to 0.19.x

Edit: Nevermind I was talking nonsense. Reports do federate, but only in a limited way. Particularly if you moderate a remote community you wont see the reports. Also the action of resolving a report is currently not federated at all. Both of these are fixed with the PR above.

[–] [email protected] 8 points 2 weeks ago

Thanks for confirming

[–] [email protected] 6 points 2 weeks ago (2 children)

not available at all

I may be confused lol. For as long as I've been modding for [email protected], I've been able to see reports from all instances, but it's an incomplete list. My lemm.ee account and .world account both have reports that the other can't see, but the lists are mostly the same.

I assumed that meant we did have reports federating, just not reliably.

[–] [email protected] 6 points 2 weeks ago

Sorry I said it wrong, reports do federate but only in a limited way. Particularly if you moderate a remote community you wont see the reports. Also the action of resolving a report is currently not federated at all. Both of these are fixed with the PR above.

[–] [email protected] 2 points 2 weeks ago (1 children)

I thought so too. But I think moderation actionsaren't federating. So if I understand correctly a removed post for example will only be removed from view form users of your instance?

[–] [email protected] 3 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

AFAIK:

  • Dismissing reports never federates
  • Post removals almost always federate
  • Bans almost always federate
  • Reports usually federate

A post on 196@bhz removed from .world will be federated properly in my experience, but post removals from something like Kbin seem to be less likely to federate.

[–] [email protected] 2 points 2 weeks ago

Dismissing reports never federates

Thanks!

[–] [email protected] 4 points 2 weeks ago

Oh, nice to see you here ha ha

[–] [email protected] 2 points 2 weeks ago (1 children)

Has there been any benchmarking of Lemmy using mimalloc vs default (or jemalloc)?

[–] [email protected] 3 points 2 weeks ago

No we dont have any benchmarking infrastructure. Maybe one of the instance admins will report some results later.

[–] [email protected] 1 points 2 weeks ago

@[email protected]

[–] [email protected] 1 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Good job, though for me on a raspbian Debian bookworm with

%raver@viruspi  ~  uname -a
Linux viruspi 6.6.74+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.6.74-1+rpt1 (2025-01-27) aarch64 GNU/Linux

Running on raspberry pi 5 the lemmy 0.19.9 container fails with exit code 139 and won't start

root@viruspi  /etc/lemmy  docker compose up        [+] Running 6/6
 ✔ Container lemmy-postfix-1   Running              0.0s  ✔ Container lemmy-pictrs-1    Running              0.0s  ✔ Container lemmy-postgres-1  Running              0.0s  ✔ Container lemmy-lemmy-1     Created              0.0s  ✔ Container lemmy-lemmy-ui-1  Running              0.0s  ✔ Container lemmy-proxy-1     Running              0.0s Attaching to lemmy-1, lemmy-ui-1, pictrs-1, postfix-1, postgres-1, proxy-1
lemmy-1 exited with code 0
lemmy-1 exited with code 139                             lemmy-1 exited with code 139
lemmy-1 exited with code 139                             lemmy-1 exited with code 139
lemmy-1 exited with code 139                             lemmy-1 exited with code 139
Gracefully stopping... (press Ctrl+C again to force)
[+] Stopping 6/6
 ✔ Container lemmy-postfix-1   Stopped              0.4s  ✔ Container lemmy-proxy-1     Stopped              0.4s  ✔ Container lemmy-lemmy-ui-1  Stopped              0.2s  ✔ Container lemmy-lemmy-1     Stopped              0.0s  ✔ Container lemmy-postgres-1  Stopped              0.3s  ✔ Container lemmy-pictrs-1    Stopped              0.5s  ⚡ root@viruspi  /etc/lemmy 
[–] [email protected] 5 points 2 weeks ago (1 children)

This sounds like the same problem you reported before. Only thing I can think of is to get in contact with the maintainer of lemmy-cross-toolchains

[–] [email protected] 2 points 2 weeks ago* (last edited 2 weeks ago)

I found the solution, it was the default kernel for raspberry pi:

raver@viruspi  ~  dpkg -l "linux-image-rpi*" | grep ^ii
ii  linux-image-rpi-2712 1:6.6.74-1+rpt1 arm64        Linux for Raspberry Pi 2712 (meta-package)
ii  linux-image-rpi-v8   1:6.6.74-1+rpt1 arm64        Linux for Raspberry Pi v8 (meta-package)
raver@viruspi  ~ 

The problem existed with the linux-image-rpi-2712 kernel. I've read that it is mainly targeted for the older rpi models. After switching to the linux-image-rpi-v8 kernel everything works😊, lemmy rocks, good job💪👌✌️