Upgrading to an IBM z15 is Endevor Compatible
1. if this release of the software is compatible?
2. is there any toleration PTFs required?
3. is there any exploitation PTFs required?
4. is there any limitation/caution at all when running this release?
Release : All Supported Releases
Endevor does not have any hardware restrictions for supported versions of the operating system. Please reference: IBM zEnterprise Compatibility Matrix
Please note that If the ID of the CPU is changed, additional LMP keys may be necessary