Linus Torvalds has released the 5.2 kernel.
He originally planned for an rc8 this week, rather than 5.2, due to his travel schedule, but was pleasantly surprised at how calm things have been. “So despite a fairly late core revert, I don’t see any real reason for
another week of rc, and so we have a v5.2 with the normal release
timing.”
Some of the more significant changes in 5.2 are
a new CLONE_PID flag to clone() to obtain a pidfd for the
new process,
a significant BPF verifier performance improvement that allows the maximum
size of a BPF program to be raised to 1 million instructions,
a BPF hook to manage sysctl knobs,
a new set of system calls for filesystem
mounting,
case-insensitive lookups for the ext4
filesystem,
a process freezer for version-2 control groups,
pressure-stall monitors,
and, of course, a vast number of fixes.

Source: LWN.net – The 5.2 kernel has been released