We’re moving away from the legacy “widget” rendering system, replacing it with modern Glimmer components. We’ve recently modernized the post stream using Glimmer components. This guide will walk you through migrating your plugins and themes from the old widget-based system to the new Glimmer implem…

The Glimmer Post Stream is enabled on Meta. If you discover any issues, please post them below.

During upgrading my components, I encountered some strange code: app/assets/javascripts/discourse/app/components/post/avatar.gjs 0ccf792b9 <UserAvatarFlair @user={{@post}} /> <div> <PluginOutlet @name="post-avatar-flair" …

[image] pangbo: Firstly, I am somewhat perplexed by @user={{@post}}. Could this be a typographical error? It’s working, so I don’t think it’s a typo. Perhaps in this location, the post object has all the attributes which the UserAvatarFlair component expects to find on the @user argument? I a…

We have just merged a pull request that enables the Glimmer Post Stream by default. After the next update, compatible sites will automatically use the new Post Stream. Sites using incompatible extensions will fall back to the older version and display warnings in the browser console. For now, you …

I think I get a warning due to this code that then links to this thread: api.changeWidgetSetting('post-avatar', 'size', '120'); How would I update that for the new system?

Something like that: api.registerValueTransformer("post-avatar-size", () => { return "120"; });

Nice, thanks. I think that works. I put in that code and then tried to temporarily set all the force settings on for the glimmer mode and it looked like the avatar size and posts list worked on my site fine after that. After testing I turned off the overrides as it seems they are not recommended fo…

[image] Boost: After testing I turned off the overrides as it seems they are not recommended for use yet. But my site should now hopefully be ready for the switch-over. Hi @Boost . :smiley: What do you mean when you say the overrides are not recommended for use just yet? If your site is ready…

DEV: Disable widgets by default main ← dev/disable-widgets-by-default merged 06:18PM - 21 Oct 25 UTC (UTC) [image] megothss …

The option under experimental settings quite clearly warns against using it: Enable the new ‘glimmer’ post stream implementation in ‘auto’ mode for the specified user groups. This implementation is under active development, and is not intended for production use. Do not develop themes/plugins agai…

Changements à venir dans le flux de publication - Comment préparer les thèmes et les plugins

Dev

saquetim (Sérgio Saquetim) Novembre 27, 2025, 7:28 15

Le PR supprimant le widget après le flux a été fusionné.

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Changements à venir dans le flux de publication - Comment préparer les thèmes et les plugins

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