On August 1st, 2017 Red Hat announced the next regular update to their flag ship operating system.
kernel level for 7.4 is kernel-3.10.0-693.el7.
Here is my usual summary of links to more information:
- Complete RHEL 7 documentation
- RHEL 7.4 release notes
- RHEL 7.4 known issues
- RHEL 7.4 kernel CVE and bugfix documentation
- RHEL 7 installation guide
- RHEL 7 installation guide for z
- RHEL 7 performance tuning guide
- IBM documentation on developerworks
- RHEL limits
- RHEL lifecycle with the end date for the Extended Update Service (EUS)
- RHEL7 package list
From a Linux on Z Systems perspective the major enhancements are the support for the zEDC (genwqe tools) card, the new RoCE 2 card of the z14 (mlx 5 driver) and the usual set of cryptographic enhancements in libica, ibmca and opencryptoki.