Using <script type='text/discourse-plugin> or <script type='text/x-handlebars'> in themes is now deprecated. Any use of these tags in themes should be updated according to the instructions below. Regular <script> and <script type='text/javascript'> are unaffected by this change. Timeline These are…

Is there an error in the browser console?

“Deprecation notice: Adding JS code using is deprecated. Move this code to a dedicated JavaScript file. [deprecation id: discourse.script-tag-discourse-plugin] [info: Modernizing inline script tags for templates & JS API ]” “Deprecation notice: The post-meta-data widget has been deprecated and a…

I think you can replace this with outlets. Where in the topic are you adding this?

If you’re asking where the output is in production, then it’s here. [post-number] I’d much rather have it somewhere that makes it searchable though.

I would add to this for people who come from adding easily JS to headers on their website : 1° that for me here on discourse mostly “Vanilla” Javascript works and not regular Javascript 2°to solve loading issues, place it inside document.addEventListener(‘DOMContentLoaded’, function() { Code …

We are using <script type="text/discourse-plugin" version="0.8.40"> const LoginRoute = require("discourse/routes/login").default; LoginRoute.reopen({ activate() { this.controllerFor('application').setProperties({ showFooter: true }); …

Thanks for the instructions. I’m a bit confused about which if any of the method(s) in my script are deprecated and which method I should migrate to. It’s for showing a random banner image at the top of the page. I need to modify the image locations frequently, so I want to use the new JS tab inside…

As a poke and guess admin I was a bit worried reading this, but when I checked my custom theme, I saw only a very simple script: <script type="text/discourse-plugin" version="0.8.11"> // icon substitutions for share buttons api.replaceIcon('d-post-share', 'up-right-from-square'); api.replaceIcon('…

[image] rahim123: Thanks for the instructions. I’m a bit confused about which if any of the method(s) in my script are deprecated and which method I should migrate to. It’s for showing a random banner image at the top of the page. I need to modify the image locations frequently, so I want to use…

Widgets and script tags like these are deprecated. You can move the code into the JS tab, and use something like: import Component from "@glimmer/component"; // … api.renderInOutlet( "top-notices", class MyBanner extends Component { get someGetter() { // Some code here } <te…

Modernizing inline script tags for templates & JS API

Dev

darkpixlz (Pyx ) Split this topic March 11, 2026, 6:26am 48

4 posts were split to a new topic: Debugging the page change API after migration

Topic		Replies	Views
Upcoming Header Changes - Preparing Themes and Plugins Dev dev-news	38	3884	September 8, 2024
Using the JS API Developer Guides plugin-api , explanation , code	20	11813	January 30, 2026
Templating of my "component" broke. How do I fix it? Dev	14	83	March 17, 2026
A versioned API for client side plugins Dev rest-api	34	19987	June 21, 2024
Developing Discourse Plugins - Part 2 - Connect to a plugin outlet Developer Guides plugin-guides , tutorial	38	29888	November 23, 2025

Modernizing inline script tags for templates & JS API

Related topics