WS connection closed when downloading file
- Go to a page that offers a download
- Click on a link and download the file
- See that WS connection was closed (developer tools, console tab)
- As a result all WS-dependent features are broken
Similar issue https://bugzilla.mozilla.org/show_bug.cgi?id=858538
Turns out that if download
attribute is added the WS connection is still alive.