Current Oracle Spatial Blog Articles
Oracle 12c must be at least 6 months away.
Here is a posting by spatialPhil on what may be in 12c for spatial practitioners.
The real news in this posting is:
What this specifically means is that, finally, the following functions will be available for Locator users:
Given that this functionality has been free in all other database products from the very first time they appeared, for Oracle users it has been a long time coming.
So, a belated thank you to Oracle for doing this.
I hope this includes Locator access to the related SDO_AGGR_UNION etc operators.