PTF LU14275 supports JCLCheck REST API Zowe Version 2.
What are the SHRLIBRGNSIZE size requirements for JCLCheck REST API Zowe Version 2?
Release 12.0
JCLCheck REST API Zowe Version 2
JCLCheck REST API requires approximately 50-60mb of SHRLIBRGNSIZE depending on the maintenance level of z/OS and Java.