1. Why is DEV.TO sending random notifications without following the post or author, this leads to too much information that I don't need.

2. Since I know for DEV.TO I'm not able to comment on the mobile PWA when I click on send I get only the loading animation, multiple times tried to delete and install PWA again but always the same problem.

3. A bit more technical question but what was the reason to choose Ruby over Nodejs for DEV.TO backend?

Thanks