Support for Windows 10 1809
Support for Windows Server 2019
Support for Mozilla FireFox ESR 60. See the KB kb.vmware.com/s/article/60340 for the detailed support policy for Firefox.
Security updates

Miscellaneous
A few applications misbehave if Horizon Agent 7.6 is installed on the deployment machine. To resolve this issue, perform the following actions:
Set EnableExternalHookInterception parameter to 1 in the package.ini file.
Copy the following DLLs to the deployment machine. Follow the instructions below to copy the modules to the deployment machine. The modules are not required during application capture:
For 32-bit virtual applications, copy the file dummyTLS.dll from the ThinApp install location to the folder C:\Windows\SysWOW64 on a 64-bit deployment machine or to the folder C:\Windows\System32 on a 32-bit deployment machine.
For 64-bit virtual applications, copy the file dummyTLS64.dll from ThinApp install location to the folder C:\Windows\System32 on a 64-bit deployment machine.

Resolved Issues
The following issue is resolved in ThinApp 5.2.5 :
In-place upgrade from ThinApp 5.2.3 to ThinApp 5.2.4 - Error message "The same or a newer version of VMware ThinApp is already installed and needs to be uninstalled manually" is displayed when ThinApp 5.2.4 installer is run on a system that already has ThinApp 5.2.3 installed.