Upcoming theme components 'use strict' change - themes break after upgrading Discourse

[Don]

Hi @Pad_Pors,

I think your issue is more related this.

Restrict editing of remote themes

For quite a while, best practice has been to avoid editing themes installed from a remote Git repository locally on Discourse. Any changes to theme code or uploads get wiped out when updating the theme from the remote repo. In this commit, we’ve removed the ability to locally edit a remote theme and are now enforcing this best practice in Discourse. What happens if I have a remote theme with local changes? Nothing at this point. Your theme stays as is until you remove it or update it from re…

On the other topic you wrote:

@Pad_Pors

there used to be a button as “edit theme”, but now it asks to " If you want to edit this theme, you must submit a change on its repository ".

So I think you didn’t update your Discourse for a while.