Automation Engine v12.0.3 HF4 — what does it fix?

Discussion created by Michael_Lowry on Dec 12, 2017
Latest reply on Dec 18, 2017 by Wolfgang_Brueckler_1288
Earlier today, Octavie Chakoute posted the following message in the Automation Engine release announcements forum:
Automation Engine version 12.0.3 HF4 has been released on December 12, 2017 and is available for download:
Automation Engine 12.0.3 HF4 - Bug fixes and files are available for download here
If I follow the link and log in, I see no bug descriptions.
Info! No patch descriptions found.                  
What problems are fixed in HF4?