On fresh install of release 12.0.1, the forms server version is not shown in the About Oracle Applications window.
Expect the version to be displayed
The issue can be reproduced at will with the following steps:
1. Navigate to the About Oracle Applications window.
2. Scroll down to the "Forms Server" section.
Due to this issue, users cannot determine the version of the Forms server.
Fresh install of Release 12 with RUP1
SQL> select fnd_profile.value('FND_DIAGNOSTICS') from dual;
If it returns a value of No then set this to 'Y' and retry.
Once you change System Profile Option "FND: Diagnostics" to " Y, you are able to see the Forms Server Information from Help About Oracle Applications.
I changed FND:Diagnostics to Y on site level. Closed the forms session and launched it again from self service. The forms version information was now visible .