Please refer to the release notes at https://github.com/vmware/open-vm-tools/blob/stable-12.2.5/ReleaseNotes.md
The granular changes that have gone into the 12.2.5 release are in the ChangeLog at https://github.com/vmware/open-vm-tools/blob/stable-12.2.5/open-vm-tools/ChangeLog
There are no new features in the open-vm-tools 12.2.5 release. This release resolves CVE-2023-20867. For more information on this vulnerability and its impact on VMware products, see https://www.vmware.com/security/advisories/VMSA-2023-0013.html.
For issues resolved in this release, see the Resolved Issues section of the Release Notes.