Lots of good stuff in this release, but the one thing that gets me real excited is HDR support. It really is a world of difference both authoring and experiencing HDR content, and sadly a lot of HDR content is quite bad conversions from SDR. What's even more exciting is this nugget of gold:

> We want to make sure that the support for HDR visuals becomes part of Qt itself, so other applications can follow.

I love it!