REXX in TK5

TK5 startup messages shows no Object or Regina REXX support

HHC01417I With Regular Expressions support
HHC01417I Without Object REXX support
HHC01417I Without Regina REXX support
HHC01417I With Automatic Operator support
HHC01417I Without National Language Support

However…

RX shows BREXX/370 V2R5M2 (Mar 05 2023)


Wrote simple “Hello World” program…

 ENTER TSO COMMAND, CLIST, OR REXX EXEC BELOW:              
                                                            
 ===> rx whb.exec(hello)                                    
                                                            
                                                        
                                                            
 Hello World!                                                
 ***