Hi Khushwinder,
Thank you for the enquiry.Yes, the latest version of Harvest is CA Harvest SCM v 13.0.3.
The new features included in this release can be viewed from here.
The release r12.0.0 Build 239 is quite old and was released 10 years ago. It is also out of support cycle.
Please raise a support ticket with CA for the download links of V13.0.3 .
Our support team will provide you the download URL and you would be able to download with your login ID and credentials.
If you need assistance raising a ticket also ,you could let us know and we can take it up further with the CA Support team.
Regards,
Balakrishna.