On the site that you get sent to for clicking the feedback button in the current release of mcpe 0.16.0 when you (for me) click login it brings you to some error page
It happens for me on google chrome and silk browser
WEB-612
Some error while trying to login to the mcpe feedback site
Resolved
Cannot Reproduce
0
Hi. This site is not hosted by Mojang so there's not much we can do about it.
Have you perhaps disabled Javascript in your browser?
Comments from the feedback site host suggests that this is a redirect that fails due to scripts being turned off.