open-vm-tools 12.1.5 was released on Nov. 29, 2022.

This release contains several fixes including:
  - The deployPkg plugin may prematurely reboot the guest VM before cloud-init
    has completed user data setup
  - A SIGSEGV may be encountered when a non-quiescing snapshot times out.
  - A number of Coverity reported issues have been addressed.

For complete details, see:
https://github.com/vmware/open-vm-tools/releases/tag/stable-12.1.5

Release Notes are available at:
https://github.com/vmware/open-vm-tools/blob/stable-12.1.5/ReleaseNotes.md

The granular changes that have gone into the 12.1.5 release are in the
ChangeLog at:
https://github.com/vmware/open-vm-tools/blob/stable-12.1.5/open-vm-tools/ChangeLog