I have had this issue since the first Big Sur beta and with every update since. I used Apple's Feedback Assistant since I had this issue.
Try it yourself - type in any browser on your computer any website that uses .app as its top-level domain (TLD) - get dot app or mmhmm dot app.
Here is my Feedback Assistant issue number - FB8304994 and here is the text of it - Any and all .app top-level domains (TLDs) do not open in any browser windows.
Try to open 3rd party website mmhmm.app or Google’s get.app (Google registry) and they will not open.
When pinging them I get returned to 127.0.0.1 (localhost).
Edited /etc/hosts file to add domain addresses and then the sites open.
But this appears to be an issue of the OS and was not happening prior to the install of Big Sur OS.
These domains are used for developers websites.
I would really like to know if this will be fixed in the final release or sooner.
Try it yourself - type in any browser on your computer any website that uses .app as its top-level domain (TLD) - get dot app or mmhmm dot app.
Here is my Feedback Assistant issue number - FB8304994 and here is the text of it - Any and all .app top-level domains (TLDs) do not open in any browser windows.
Try to open 3rd party website mmhmm.app or Google’s get.app (Google registry) and they will not open.
When pinging them I get returned to 127.0.0.1 (localhost).
Edited /etc/hosts file to add domain addresses and then the sites open.
But this appears to be an issue of the OS and was not happening prior to the install of Big Sur OS.
These domains are used for developers websites.
I would really like to know if this will be fixed in the final release or sooner.