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Open beta testing for Lemmy 1.0.0
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Nutomic lemmy.ml nutomic@lemmy.ml
Joined: 2020-01-17
Quote

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.


Two years have already passed since we started working on some major new features for Lemmy. Back then we still planned to release them as version 0.20, but over time the scope expanded and it turned into version 1.0 instead. Besides many new features, we also took the opportunity to do a lot of cleanup work, so that 1.0 can remain stable for a very long time.

Below you can see the list of major new features. This is far from complete because there are simply too many changes to list. In general, any Github issue which was fixed over the last two years and didn't get into version 0.19, will be part of version 1.0.

For users:

  • Redesigned UI: New card view, less clutter
  • Post Tags: Categorize posts within a community.
  • Multi-communities: Group different communities together into a custom feed.
  • Post scheduling: Specify when your post should be published.
  • Keyword filter: Automatically hide posts about certain topics.
  • Private communities: Only approved followers can view the content (plus other community visibilities).
  • Notifications improvements including notifications for mod actions, and subscribing to community/post notifications.
  • Combined Feeds: view your liked posts and comments together in a single list.
  • User vote totals: There is a setting to view the vote totals you've given to any user.
  • User notes: You can make and view notes for any user.
  • GDPR style data exporting: You can now export your historical data as a JSON file.

Other changes:

  • Comment Locking: Comments can now be locked, and it also locks any reply comments.
  • Plugins: Can be written in JS, Python, Rust, and any other language that targets Webassembly. See the documentation for details.
  • Cursor pagination: Don't lose your place in the feed when switching pages.
  • OAuth: Login to Lemmy with existing account from another website.
  • New API v4: Apps and frontends need to be updated to take advantage of new features. There is also a backwards compatible API v3 available.

The main work which still needs to be done before the official release is SQL optimizations. Some queries are still too slow, taking up to 300ms. And the database migrations from 0.19 to 1.0 take roughly 20 hours for lemmy.ml (smaller instances will be much faster). If you are an expert with PostgreSQL we need your help. Please have a look at the following issues which include all the relevant details:

The other remaining task is testing and bug fixing. Now it is your turn as Lemmy users: on voyager.lemmy.ml try the new version and create an account. Signups are open, feel free to make posts, create communities and do everything else that can be done. Spamming test posts is absolutely encouraged. See how the new features work, and open an issue if you encounter any problem (backend, frontend).

If you run a test instance for Lemmy, we suggest that you upgrade it to 1.0.0-beta.0 by following the instructions. You can also try to run the 1.0 database migrations against a local copy of your production database. This will show how long the upgrade process will take, and help to reveal bugs in the migrations.

Be careful about upgrading production instances. In principle you can already use 1.0 in production. Be sure that you have working backups and that you can restore them. Expect to tolerate major bugs, or to revert back to the stable version for now. If you have any problems, join the admin chat on matrix or ask in /c/lemmy-support.

For developers of Lemmy apps and clients, now is the time to start updating your projects to use the new API v4. This will give you enough time to use the new API once Lemmy 1.0 is finally released. See the API v4 upgrade guide for instructions. If you develop any tools which integrate with Lemmy, have a look at the new plugin system.

Over the next months we will focus on testing and bug fixing. Afterwards, when when all major problems are fixed we will go to the release candidate phase. Then lemmy.ml will be upgraded to version 1.0.0-rc.0 to find remaining problems in production. When these are also resolved we will publish the final 1.0 release.

Thanks to everyone who contributed to the new release so far!


An open source project the size of Lemmy needs constant work to manage the project, implement new features and fix bugs. Dessalines and Nutomic work full-time on these tasks and more. As there is no advertising or tracking, all of our work is funded through donations. Even so there is barely enough time in the day, and no time for a second job. The only available option are user donations.

To keep it viable donations need to reach a minimum of 5000€ per month, resulting in a modest salary of 2500€ per developer. If that goal is reached we can stop worrying about money, and fully focus on improving the software for the benefit of all users and instances. We especially rely on recurring donations to secure the long-term development and make Lemmy the best it can be.

Donate

296   Original
Blaze quokk.au Blaze@quokk.au
Joined: 2026-05-15
#2 · Quote Reply

Tags look Nice: https://voyager.lemmy.ml/post/16768

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sabreW4K3 lazysoci.al sabreW4K3@lazysoci.al
Joined: 2024-03-16
#3 · Quote Reply

Can't wait for Summit to start rolling out support for v1.

14
iByteABit lemmy.ml iByteABit@lemmy.ml
Joined: 2025-11-08
#4 · Quote Reply

Tags look Nice: https://voyager.lemmy.ml/post/16768

I didn't find the option, how do you create them from the UI?

5
UnderpantsWeevil lemmy.world UnderpantsWeevil@lemmy.world
Joined: 2023-06-14
#5 · Quote Reply

Reading through the codebase to find where those dastardly .ml devs injected the Leftist Extremism.

46
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#6 · (edited) Quote Reply

I didn't find the option, how do you create them from the UI?

You need to be a community mod, and then go to the community settings (it's a separate page now). In the settings theres a tab for managing tags.

And when creating or editing a post, you can add tags at the bottom of the form.

11
jet hackertalks.com jet@hackertalks.com
Joined: 2023-07-06
#7 · Quote Reply

This is great news! Really looking forward to oauth users coming in

8
ghost_laptop lemmy.ml gary_host_laptop@lemmy.ml
Joined: 2020-11-25
#8 · Quote Reply

is there a way to have a 1 column card view?

8
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#9 · Quote Reply

is there a way to have a 1 column card view?

Yeah I just made a pull request to change large card view to single column.

https://github.com/LemmyNet/lemmy-ui/pull/4110

13
Binette lemmy.ml Binette@lemmy.ml
Joined: 2023-12-24
#10 · Quote Reply

Not gonna lie I was compulsively checking the community for the beta lol. This is amazing news to wake up to!

9
ghost_laptop lemmy.ml gary_host_laptop@lemmy.ml
Joined: 2020-11-25
#11 · Quote Reply

Yeah I just made a pull request to change large card view to single column. https://github.com/LemmyNet/lemmy-ui/pull/4110

Oh, I thought the style was already defined. Is the image being on the right instead of the left (as it's currently) in the list view also something that can be changed? It just makes more sense to me, since the content is there, it looks more fitting.

4
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#12 · Quote Reply

Oh, I thought the style was already defined. Is the image being on the right instead of the left (as it's currently) in the list view also something that can be changed? It just makes more sense to me, since the content is there, it looks more fitting.

Yeah I'm not sure why @dessalines@lemmy.ml moved thumbnails to the right, to me it also looks odd.

6
Binette voyager.lemmy.ml binette@voyager.lemmy.ml
Joined: 2026-05-19
#13 · Quote Reply

This is stupid who would ever use this version smh

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

Very cool! Made a test account, might play around with it.

20
Don't forget to stay hydrated.🍉🍉🍉🍉🍉 sh.itjust.works testaccount789@sh.itjust.works
Joined: 2023-06-16
#15 · Quote Reply

Is there any plan for having polls?

16
A🔻atar of 🔻engeance lemmy.ml tastemyglaive@lemmy.ml
Joined: 2025-05-10
#16 · (edited) Quote Reply

Thanks for all the hard work. I'll try to use the 1.0 launch to direct more people who could use the site (the way software devs etc do for their projects) here. I think many Substacks and Patreons for analysts would be smart to have a community here, or even forget the Substacks etc

12
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#17 · Quote Reply

Is there any plan for having polls?

At the moment no. We want to stabilise all the features which are already implemented, before adding more things.

36
Dessalines Moderator dessalines@lemmy.ml
Joined: 2019-04-17
#18 · Quote Reply

Yeah I'm not sure why @dessalines@lemmy.ml moved thumbnails to the right, to me it also looks odd.

Left-aligned titles, right aligned thumbs matches most mobile UIs, including boost, jerboa, etc. I also prefer it.

PR was here: https://github.com/LemmyNet/lemmy-ui/pull/3512

8
BottleBoardBakon lemmy.ml BottleBoardBakon@lemmy.ml
Joined: 2026-05-17
#19 · Quote Reply

Take my money mr magic man

17
VoxAliorum lemmy.ml VoxAliorum@lemmy.ml
Joined: 2025-06-18
#20 · Quote Reply

Epico!

15
Die4Ever retrolemmy.com Die4Ever@retrolemmy.com
Joined: 2024-05-06
#21 · Quote Reply

At the moment no. We want to stabilise all the features which are already implemented, before adding more things.

Good idea, gotta save something for v1.1!

13
BottleBoardBakon lemmy.ml BottleBoardBakon@lemmy.ml
Joined: 2026-05-17
#22 · Quote Reply

This is stupid who would ever use this version smh

😂

6
☆ Yσɠƚԋσʂ ☆ lemmy.ml yogthos@lemmy.ml
Joined: 2020-01-18
#23 · Quote Reply

Kudos on the major release. O7

24
ShinkanTrain lemmy.ml ShinkanTrain@lemmy.ml
Joined: 2024-06-13
#24 · Quote Reply

Reading through the codebase to find where those dastardly .ml devs injected the Leftist Extremism.

Affero General Public License? That sounds like it's coming straight from Stalin's mouth

16
irelephant [he/him] lemmy.dbzer0.com irelephant@lemmy.dbzer0.com
Joined: 2025-06-04
#25 · Quote Reply

[deleted]
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irelephant [he/him] lemmy.dbzer0.com irelephant@lemmy.dbzer0.com
Joined: 2025-06-04
#26 · Quote Reply

[deleted]
[deleted]
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mathemachristian[he] lemmy.ml mathemachristian@lemmy.ml
Joined: 2024-04-08
#27 · (edited) Quote Reply

Left-aligned titles, right aligned thumbs matches most mobile UIs, including boost, jerboa, etc. I also prefer it. PR was here: https://github.com/LemmyNet/lemmy-ui/pull/3512

The current behavior is to have left aligned thumbs on a wide screen and right on a narrow screen, is there are reason to have it uniform that I'm not seeing?

screenshots

Also being able to view posts without having to go to the comment section is really good I don't understand why that needed to go?

Also also having to open and close images in list view is rather annoying, i wanna scroll scroll scroll, and not have to choose whether clicking on that post or this post is worth it.

I am loving the update overall though sorry to focus on the negatives

2
BigDiction lemmy.world BigDiction@lemmy.world
Joined: 2023-06-20
#28 · Quote Reply

Cursor pagination is a potential big QOL upgrade

7
OsrsNeedsF2P lemmy.ml OsrsNeedsF2P@lemmy.ml
Joined: 2020-03-23
#29 · Quote Reply

LET'S GOOOO

So many exciting features!! Love to see Lemmy come so far

29
Die4Ever retrolemmy.com Die4Ever@retrolemmy.com
Joined: 2024-05-06
#30 · Quote Reply

I tried the new signup via Github and got an error

client.js:2 Request error while calling POST /oauth/authenticate with {"code":"CODEREDACTED","oauth_provider_id":1,"redirect_uri":"https://voyager.lemmy.ml/oauth/callback"}
wrapper	@	client.js:2
3
Dessalines Moderator dessalines@lemmy.ml
Joined: 2019-04-17
#31 · Quote Reply

The current behavior is to have left aligned thumbs on a wide screen and right on a narrow screen, is there are reason to have it uniform that I'm not seeing? ::: spoiler screenshots ::: Also being able to view posts without having to go to the comment section is really good I don't understand why that needed to go? Also also having to open and close images in list view is rather annoying, i wa...

Also being able to view posts without having to go to the comment section is really good I don't understand why that needed to go?

I don't understand what this means. You can definitely view posts from the home or community pages.

Also also having to open and close images in list view is rather annoying,

The list view is a condensed view. Use the card view to see full-size images without having to use the image viewer.

2
Dessalines Moderator dessalines@lemmy.ml
Joined: 2019-04-17
#32 · Quote Reply

[deleted]

We found this one last night, the fix is merged and will be deployed tomorrow with the nightlies.

You might need to open up an issue for that container one. Gotta use an ellision.

5
culprit lemmy.ml culprit@lemmy.ml
Joined: 2021-12-29
#33 · Quote Reply

Looks nice but definitely going to take some getting used to the new UI changes. Liking it for most part.

Not able to successfully post an image so far, maybe something broke with iterations going on. They never show a thumbnail after upload and disappear from the post.

2
Die4Ever retrolemmy.com Die4Ever@retrolemmy.com
Joined: 2024-05-06
#34 · Quote Reply

I tried to export/import my user settings and subscriptions, but the import failed in voyager with a 400 error (I didn’t have the network tab open so I didn’t see the error message, and now I’m rated limited so I’ll have to wait to check again)

3
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#35 · Quote Reply

I tried to export/import my user settings and subscriptions, but the import failed in voyager with a 400 error (I didn’t have the network tab open so I didn’t see the error message, and now I’m rated limited so I’ll have to wait to check again)

Hah, should have read this first. Error importing and exporting for me.

2
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#36 · Quote Reply

Hah, should have read this first. Error importing and exporting for me.

Also hit an error trying to upload an avatar (webp format) that worked previously. Doesn’t show in my uploads.

2
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#37 · Quote Reply

Hah, should have read this first. Error importing and exporting for me.

Tried exporting again and it succeeded. Didn’t expect to be able to immediately upload, can’t, error message isn’t helpful.

2
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#38 · Quote Reply

Also hit an error trying to upload an avatar (webp format) that worked previously. Doesn’t show in my uploads.

Tried again with slightly stronger internet, succeeded.

1
kittenzrulz123 lemmy.dbzer0.com kittenzrulz123@lemmy.dbzer0.com
Joined: 2025-07-31
#39 · Quote Reply

I deeply appreciate the work you do, hopefully the clients and frontends will soon support these features

7
mathemachristian[he] lemmy.ml mathemachristian@lemmy.ml
Joined: 2024-04-08
#40 · (edited) Quote Reply

Also being able to view posts without having to go to the comment section is really good I don't understand why that needed to go? I don't understand what this means. You can definitely view posts from the home or community pages. Also also having to open and close images in list view is rather annoying, The list view is a condensed view. Use the card view to see full-size images without having...

I don’t understand what this means. You can definitely view posts from the home or community pages.

I can see the title of a post but to view the body I have to open the post. Basically I miss the little ⊞ icon to expand the post, i really like that button and use it a lot. Ideally with a similar option for pictures. (I don't like leaving the page unless it is to comment)

1
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#41 · Quote Reply

[deleted]

Check again on voyager, the colors are working right now.

2
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#42 · Quote Reply

[deleted]

Thanks, I fixed the community pagination and opend an issue for the button overflow.

2
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#43 · Quote Reply

I tried the new signup via Github and got an error client.js:2 Request error while calling POST /oauth/authenticate with {"code":"CODEREDACTED","oauth_provider_id":1,"redirect_uri":"https://voyager.lemmy.ml/oauth/callback"} wrapper @ client.js:2

Yes OAuth login is currently broken: https://github.com/LemmyNet/lemmy-ui/issues/4108

1
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#44 · Quote Reply

Looks nice but definitely going to take some getting used to the new UI changes. Liking it for most part. Not able to successfully post an image so far, maybe something broke with iterations going on. They never show a thumbnail after upload and disappear from the post.

Yes thats a bug, the image upload works but it doesnt put it in the post url automatically.

2
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#45 · Quote Reply

I tried to export/import my user settings and subscriptions, but the import failed in voyager with a 400 error (I didn’t have the network tab open so I didn’t see the error message, and now I’m rated limited so I’ll have to wait to check again)

Good catch, fix is here: https://github.com/LemmyNet/lemmy/pull/6507

2
Nutomic Moderator nutomic@lemmy.ml
Joined: 2020-01-17
#46 · Quote Reply

Tried exporting again and it succeeded. Didn’t expect to be able to immediately upload, can’t, error message isn’t helpful.

Export from voyager and then import again works for me. But the rate limit is very strict so I have to restart Lemmy in between.

https://github.com/LemmyNet/lemmy/issues/6508
https://github.com/LemmyNet/lemmy-ui/pull/4125

2
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#47 · Quote Reply

Export from voyager and then import again works for me. But the rate limit is very strict so I have to restart Lemmy in between. https://github.com/LemmyNet/lemmy/issues/6508 https://github.com/LemmyNet/lemmy-ui/pull/4125

I got a success message a couple times when I tried to import after my comment (probably thanks to restarts) but the changes didn’t appear to reflect (specifically to bio/display name).

For bio in particular, it seems like that might be that the field isn’t populating properly. I didn’t think to check whether it displayed on my profile, but when I manually save a change to my bio, I’ve noticed the box is blank afterwards, but my profile page shows it.

1
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#48 · (edited) Quote Reply

I got a success message a couple times when I tried to import after my comment (probably thanks to restarts) but the changes didn’t appear to reflect (specifically to bio/display name). For bio in particular, it seems like that might be that the field isn’t populating properly. I didn’t think to check whether it displayed on my profile, but when I manually save a change to my bio, I’ve noticed ...

Got another import success, verified that it didn’t change my bio (or display name), even when viewing my profile page afterwards.

Also, currently my display name wraps here, but it doesn’t there, instead increasing the page width. E: maybe that’s because the space didn’t fit E2: yep, it’s because my current name is 1 char longer than the max - also, also, also: “Invalid displayname” is more useful than the old error message, but “Display Name too long” or “Max display name length: N characters” would be more useful and easier understood.

Also, also, I was able to see private_comm from the comm list and try to subscribe to it. Now it appears on my subscription list, but following the link doesn’t give me any option to remove my subscription request. I could presumably do that from the full comm list, but it’d be easier if I had a way to revoke (or submit) my request when trying to view it.

1
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#49 · Quote Reply

When creating a comm, there are icon/banner inputs. They are ignored and must be set after the comm is created.

3
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#50 · (edited) Quote Reply

When trying to edit this post the body never loads. E: Luckily, editing it without setting the body doesn’t clear it, and I can copy the source and edit to actually update, but that’s painful.

Also, I’ll figure out soon what happened previously, but: an mp4 I tried to render in the post looked like it would work well enough when previewing, but created a pictrs mirror that fails with:

{"error":"unknown","message":"error sending request for url (http://pictrs:8080/image/original?proxy=https%3A%2F%2Fscx2.b-cdn.net%2Fgfx%2Fvideo%2F2026%2Fbrookfield-zoo-chicago.mp4)","cause":"error sending request for url (http://pictrs:8080/image/original?proxy=https%3A%2F%2Fscx2.b-cdn.net%2Fgfx%2Fvideo%2F2026%2Fbrookfield-zoo-chicago.mp4)"}
2
Trying2KnowMyself [they/them/their/theirs/themself] lemmy.ml Trying2KnowMyself@lemmy.ml
Joined: 2025-12-07
#51 · Quote Reply

When trying to edit this post the body never loads. E: Luckily, editing it without setting the body doesn’t clear it, and I can copy the source and edit to actually update, but that’s painful. Also, I’ll figure out soon what happened previously, but: an mp4 I tried to render in the post looked like it would work well enough when previewing, but created a pictrs mirror that fails with: {"error":...

It threw a different error on the video:

{"code":"download-file-error","msg":"Unable to download image, bad response 400 Bad Request"}
1
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