WebLogic Server (WLS) and Coherence 12.2.1.3 Error Correction has been Extended to June 2023!

The error correction period for FMW 12.2.1.3 was extended from September 2020 through December 2022.
 
For Weblogic Server and Coherence, the 12.2.1.3 error correction period has been extended through June 2023. 

During this timeframe, content will be limited to P1 requests and security updates (CPU program) delivered via standard quarterly patches.

Reference :

For detailed information on bug fix and patch release policies, please refer to the Oracle Fusion Middleware Error Correction Policy (Doc ID: 209768.1). 

Error Correction Support Dates for Oracle Fusion Middleware 12c – FMW/WLS (Doc ID 1933372.1)

Error Correction Support Dates for Oracle WebLogic Server (Doc ID 950131.1)

Oracle Lifetime Support Policy for Oracle Fusion Middleware Guide

With that being said, Oracle strongly encourages that all customers upgrade to the latest WebLogic version available.