Yes add theme header. pwa continues to work after removing the code. I tested it on server with Ubuntu 20.04 installed with official installation instructions. on the live site. On Android 11 device and Chrome browser on PC.
Yes add theme header. pwa continues to work after removing the code. I tested it on server with Ubuntu 20.04 installed with official installation instructions. on the live site. On Android 11 device and Chrome browser on PC.