The latest release of OBI, 18.104.22.168.0 is available at oracle.com here.
It's available as usual for Windows, Linux, Solaris on Sparc, Solaris on x86, IBM AIX and HP UX Itanium.
The documentation is here.
This is the get started link.
In the great blog of Oracle Underground BI & Dataviz (http://oracledataviz.blogspot.com), the post "Upgrade OBIEE in your SampleApp V607 to 22.214.171.124" gives us everything:
1. How to upgrade, the Oracle way (there is an alternative at RittmaMead here).
2. What is OK to delete at the old home, to save space (actually, I didn't try that yet).
3. How to configure 2 new features:
a. Lightweight SSO that uses VA sign on
b. .dva import/export.
Regarding the Lightweight SSO, a quick reminder to myself:
If I had the OBI 126.96.36.199.0 installed at C:/oracle/Middleware/Oracle_Home, and the OBI 188.8.131.52.0 is now at C:/oracle/Middleware/Oracle_Home12212.
wlst script is at C:\oracle\Middleware\Oracle_Home12212\oracle_common\common\bin. Run wlst. There run the script to run is: enableBISingleSignOn('C:/oracle/Middleware/Oracle_Home/user_projects/domains/bi','/bi-security-login/logout?redirect=/va').
After the restart, when I login this is the screen (The VA one):
If you are Arabic/Hebrew UI user, this has impact.
If not happy with the SSO the following disables it: