Please find a discussion about this recurring topic here: Why is the release update not available on my platform yet? Check especially the Section 2.2 (Post Release Patches).
And please note that a patch number in the document does not necessarily mean that your patch is available already. You will find the links to the individual patch bundles in MOS Note: 2749094.1 – Critical Patch Update (CPU) Program Apr 2021 Patch Availability Document (PAD). But the list of Fixed Bugs (MOS Note: 2523220.1) hasn’t been updated yet while I’m writing this article. Risk Matrix Oracle Database Server Products – April 2021 -Source: īut to be frank, the reason why 19.11.0 is so important is the number of fixes included into it.