Wordpress Get CDN service working with Redis and Autooptimize

I've installed LEMP with option 22 in Centminmod with REDIS and KeyCDN. However, I do not want to use KeyCDN. I have therefore disabled CDN Helper and installed a plugin for Bunny CDN. However, even though I followed their instructions things are not working.

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Do I need to make some changes in the predefined settings of Centminmod's installation of LEMP to get this working?

 

Oh, this was an issue with Elementor Pro. I needed open, edit something and save the post to get it to rebuild properly.

 

Well it is working and not working. Further testing verified that it has nothing to do with the pagebuilder.

It seems to be an issue with Autoptimize (AO). If I make an update to a post, just saving the post doesn't work. Having AO enabled then leads to messing up the formatting of the post. It does not matter if I then manually clear the cache, the problem persists until I have to manually disable and enable AO.

This it totally unpractical of course. What can be wrong?