[lucaspiller]

Here is how 5.2 looks on OS X 10.11: http://imgur.com/a/aalZB

The background of the toolbar looks completely different to native applications, and the input elements try to look like native elements, but are ever so slightly different - which to me really stands out. Even the tooltip is completely different to the native look.

It's not so much the design is bad, it's just it tries to fit into the native style but does a poor job of it. I think if instead it had gone for it's own look (like Telegram or Atom) it would be a lot better.

As you say, it's good the developers are focusing on things that will really improve the product like compatibility, but to everyday users how things look and feel are just as important - if that wasn't the case all web applications would look like Redmine :P

[aoloe]

What you are showing does not look perfect to me.

But it's miles away from being ugly...