WebCenter Portal 12c Bundle Patch 18.104.22.168.180116 was released on January 16, 2018.
The patch can be downloaded from Patch 27365174: WebCenter Portal Bundle Patch 22.214.171.124.180116.
For further information, please see the following documents:
- Bug 27365174 - webcenter portal bundle patch 126.96.36.199.180116 (Doc ID 27365174.8)
- Recommended Patches for Oracle WebCenter Portal (Doc ID 1087226.1)
At this time, there are no plans for another WebCenter Portal 188.8.131.52.x Bundle Patch release.