v$session.audsid all of a sudden much higher after patch 19.21

Oracle Database Enterprise Edition 19

Hallo

As soon as RU 19.21 is applied al of a sudden v$session.audsid and sys_context('USERENV','SESSIONID') returns a much higher value.

-- before patching to 19.21 ( 19.20 )

SQL> select version_full from dba_registry where rownum = 1;

VERSION_FULL

------------------------------

19.20.0.0.0

SQL> conn dbsnmp

Enter password:

Connected.

SQL> select sys_context('USERENV','SESSIONID') from dual;

SYS_CONTEXT('USERENV','SESSIONID')

--------------------------------------------------------------------------------

638455

-- ( out of place with new Oracle home ) patched to 19.21

-- attach to 19.21 Home and run $ORACLE_HOME/OPatch/datapatch -verbose

sqlplus dbsnmp

SQL> select version_full from dba_registry where rownum = 1;

VERSION_FULL

------------------------------

19.21.0.0.0

SQL> select sys_context('USERENV','SESSIONID') from dual;