Why is my upload limit 100mb?It's set to 500mb

[Don]

There are a few ways to upload video through the composer to third party provider.

e.g.

Video Upload to YouTube and Vimeo using Theme Component (i am not sure it’s still working I used to use this to upload videos to vimeo)

Video Upload to YouTube and Vimeo using Theme Component

This new theme component enables video uploads from the Discourse composer to YouTube and Vimeo. For those already familiar with the plugin I developed recently, the same is now available in this Theme Component which can be added to any theme. This makes for a much easier installation and works in exactly the same way as the plugin. Features All forum members can upload videos to Vimeo or YouTube (admins can choose to enable either or both). Admins can control the view and embed privacy of th…

Now I use Discourse Video plugin to handle video uploads.

GitHub - discourse/discourse-video