Linux 4.0 Kernel Will Likely Be Released Next Weekend
Linus Torvald's mailing list announcement mentioned the changes over the past week were small albeit the release delay was due to the holiday. Linus confirmed he's planning to ship Linux 4.0 next weekend, ~12 April. However, that might be delayed as he's planning to travel next week and that could complicate his opening of the merge window for Linux 4.1. So if he decides against the release next weekend due to the travel complications, Linux 4.0 might not be officially released for two weeks.
The Linux 4.0-rc7 announcement was also Torvalds' belated April Fool's joke of the author being "Ima Sheep" and coming from HurrDurr.org -- the joke of the Kernel.org crew this year. When Linux 4.0 does ship, it has many new features to show for it.