Currently, Linux Kernel seventh release candidate cycle 5.5, Linux 5.5-rc7 release has been completed.
Linus Torvalds in the announcement pointed out that , on the Linux 5.5-rc7, at the end of this week, the number of patches has been greatly increased. "Ah, things ended this weekend, half of the merger in the last two days."
In view of the holiday factor, Linux 5.5 will most likely need the eighth release candidate, then a stable kernel release in February 2. However, the 5.5-rc7 statement just released, Torvalds pointed out that he might eventually released stable version 5.5 next week. In any case, Linux 5.5 release is coming, which should provide support for Ubuntu 20.04 LTS and other upcoming releases of the kernel.
Were content changes include 5.5-rc7 in Linux: Intel graphics Gen9 "iGPU Leak" Mitigation ((Also, since the series has been ported to the stable, and therefore, these current Intel graphics patch did not like the old patch as Gen7 Intel's new core PMC reduced performance), for Comet Lake, a variety of Btrfs repair and various other bug / regression fix.
details:
https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.5-rc7-Released