WebCenter Portal 11gR1 dot9 Bundle Patch 181008 (188.8.131.52.181008) was released on October 16, 2018.
The patch can be downloaded from Patch 28538855: WebCenter Portal Bundle Patch 184.108.40.206.181008.
For further information, please see the following documents:
- Bug 28538855 - webcenter portal bundle patch 220.127.116.11.181008 (Doc ID 28538855.8)
- Recommended Patches for Oracle WebCenter Portal (Doc ID 1087226.1)
At this time, there are no plans for another WebCenter Portal 18.104.22.168.x Bundle Patch release.