Please, WordPress, keep the alternative text I entered

I’ve been using WordPress here since the beginning and I am still happy with what it does for me. One thing that drives me bonkers though is a UX bug in the media tool. Almost every time I upload an image to WordPress, I start typing in alternative text. The problem is that the editor refreshes completely when the image has uploaded and all I entered is lost. Here is a screencast showing the issue:

I filed a ticket with WordPress to get this fixed, it’s been bugging me long enough.