Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread: CentOS2Alma discussion
I had the same problem with CentOS7 and Ubuntu 12.
This indeed was the solution.
Only weird thing is, I never had this problem the last few months with the same version difference.
So what changed?