I'll cover one with Digital Ocean and their App Platform. I would probably avoid their normal ocean droplets since scaling those servers isn't very realistic as an application goes. Their App Platform has better support for scaling and server provisioning.

I created a new rails application with

rails new testapp --javascript esbuild --css bootstrap

Then ran 

rails action_text:install

I created a resource and attached an attribute with the has_rich_text and it seems to be working properly. Make sure that you have yarn installed on your system. In my case, it imported the actiontext.css in the application.bootstrap.scss

@import 'actiontext.css';

And it rendered properly.

Yes. I probably wouldn’t do that on a real app. If I were, I would limit the pagination to something like 5 and also make sure that the responses were very fast. If I start seeing memory issues or scaling problems in the actioncable side, I would rethink this to either do a refresh interval or switch to any cable.

  Berileg  I wasn't aware that there were some dimming parts and fading voices. That could have been a post edit or a transcoding issue. Do you have an example video and timestamp when this occurred? 

Ah I see. Those are poor edits and not sure how I missed that. It shouldn’t be the norm.