SAS JSON libname engine support

Executing on  Altair SLC 2023 - Community Edition (05.23.01.00.000106), trying to use the JSON libname engine in SAS.
I get an error. Is this engine not supported? Are there plans to support?

4         libname xxx '/altair/dataset-json'; /* SAS library */
NOTE: Library xxx assigned as follows:
      Engine:        WPD
      Physical Name: C:\altair\dataset-json

5         libname ex32 json '/altair/dataset-json/json_out/adam\adtte.json'
                  ^
ERROR: * Line 1, Column 32758
         Syntax error: value, object or array expected.

6         map='user32.map' automap=create ordinalcount=all; /* JSON file */
7         proc copy in=ex32 out=xxx;
                            ^
ERROR: Library "ex32" cannot be found
NOTE: Procedure COPY was not executed because of errors detected
8         run;