When I accessed the link, it directed to the Metalink Note:742060.1. Under the section "What's New?", you will see the following information:
- 19-Jan-2018 - added release 18 to the table
So for every release schedule table, a column for Oracle release 18 is added. From the schedule, we can get:
- Oracle 18c for Oracle Public Cloud Releases will be available at 1Q2018 (means some time within the 1st quarter of 2018). And the same release time is applied to On-Premises Engineered Systems including Oracle Database Appliance and Exadata.
- Oracle 18c for On-Premises Server (including client) will be available on H2CY2018 (means some time within second 6 months of 2018) for Linux x86-64, Solaris 64-bit (SPARC and x86), HP-UX Itanium, Windows 64-bit and IBM AIX/Linux platforms.
To help user plan ahead, Oracle also provides a roadmap of patch sets for Oracle Database major release 11.1 and beyond, "showing planned release dates and the duration of their support lives in relationship to the overall release life. The chart is by nature somewhat simplified so be sure to read the details below it to help you interpret it correctly."
The chart has been updated with Oracle 18c(was 188.8.131.52) and 19c(was 184.108.40.206).