Update: Plans in Drupal-land have shifted towards Create accessible markup for a drag & drop file upload widget (and ensure there is an accessible alternative interaction) and the original issue slated for D8 has been closed in the meantime.
Original request
This is a follow-up to #1380, the respective issue for https://www.drupal.org/node/2113931 and part of #779
Here's what they ~are~ were aiming for in D8:

Recent comments
Nope, not touched any permissions!
Update 1.35.1 appears to install but hasn't
Did it on my end on some sites without problem. I don't know why this update would be different for you. Perhaps some file permission changes?
Update 1.35.1 appears to install but hasn't
The issue with checking for updates in the BackdropCMS dashboard makes website development and maintenance more difficult. I manage more than ten websites hosted by two different providers, one...
Unable to run update - fails with Connection timed out