Qt 5.4 Release Candidate Expected Later This Week
Digia's The Qt Company has put out release candidate packages of the Qt 5.4 release candidate, which will become the official RC packages if no major bugs get turned up during testing. The Qt Companyhopes to put out Qt 5.4 RC1 by the end of the week.
Qt 5.4 features Wayland improvements, better HiDPI handling, an LGPLv3 licensing option, and numerous other improvements.
If no major hiccups occur with the final release, the goal is to push out Qt 5.4 in December, albeit it's already been delayed compared to the original October release target. Today's test packages can be found via this mailing list post.