As part of our continuous effort to improve the Discourse codebase, we’re removing uses of the legacy “widget” rendering system, and replacing them with Glimmer components. Recently, we modernized the post menu , and is now available in Discourse behind the glimmer_post_menu_mode setting. This set…

We’ve switched the Glimmer Post Menu to enabled by default. Once your Discourse instance is upgraded, this will cause existing customizations that weren’t updated to the new API to not be applied. For now, admins can still change the setting back to disabled while getting the remaining customizati…

I appreciate the flexibility of having the full component API available. I like the syntax of glimmer components overall, and I see why it may have benefits in reducing complexity within the codebase. However, for basic use cases (I want to add a button and give it an icon), the old API methods we…

Also, if I want to only implement the new functionality, what Discourse API version should I peg my plugin compatibility to? You use withPluginApi("1.34.0", ...) in all of your examples. I think this is an older version and not representative of when this change was made? But please clarify. Tha…

[image] Brandon Mason: You use withPluginApi("1.34.0", ...) in all of your examples. I think this is an older version and not representative of when this change was made? It’s the correct version. You can look at the changelog here: https://github.com/discourse/discourse/blob/main/docs/CHANG…

[image] Brandon Mason: I celebrate the shift towards glimmer components. But this will take time, and there’s a lot of widgets that people need to work with in the meantime. So I think improving the visibility of widgets as mentioned above would likely make the transition period easier for every…

[image] David Taylor: As of very recently, this version number is not required. This is actually really nice! Every time I forget to update that number :rofl:.

@david @Arkshine wow, great posts, really helpful! Another question - regarding the “context” that is shared when calling api.registerValueTransformer, how can I find out what context is going to get passed to me? I suppose I can just console.log the context, but it would be nice to know before ha…

[image] Brandon Mason: Another question - regarding the “context” that is shared when calling api.registerValueTransformer, how can I find out what context is going to get passed to me? I’m afraid we don’t currently have any central documentation for these. Some areas of the app have their ow…

Searching “applyTransformer” returns 0 results . Am I looking in the wrong place? I do find that searching for “api.registerValueTransformer” returns some helpful examples . But of course the examples don’t provide comprehensive documentation of the context being returned - they only show the ones …

Oh, I think I answered my own question. This example shows use of api.getCurrentUser(). So essentially that portion of the API hasn’t changed, and is still compatible with the glimmer paradigm.

Upcoming post menu changes - How to prepare themes and plugins - #17 by david - Development

Topic		Replies	Views	Activity
Upcoming post stream changes - How to prepare themes and plugins Development dev-news	12	1646	November 27, 2025
Updating Discourse Plugins, taking the first step Development	12	3879	March 22, 2016
Upcoming Header Changes - Preparing Themes and Plugins Development dev-news	36	4181	September 8, 2024
A versioned API for client side plugins Development rest-api	33	20193	June 21, 2024
Upcoming topic-list changes - how to prepare themes and plugins Development dev-news	35	2114	April 14, 2025

Upcoming post stream changes - How to prepare themes and plugins

Development

dev-news

12

1646

November 27, 2025

Updating Discourse Plugins, taking the first step

Development

12

3879

March 22, 2016

Upcoming Header Changes - Preparing Themes and Plugins

Development

dev-news

36

4181

September 8, 2024

A versioned API for client side plugins

Development

rest-api

33

20193

June 21, 2024

Upcoming topic-list changes - how to prepare themes and plugins

Development

dev-news

35

2114

April 14, 2025

Upcoming post menu changes - How to prepare themes and plugins

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