...The required client architecture (32-bit or 64-bit) must match the program version being used.
Supported Oracle Client versions include 11g, 12c,19c and 21c.
https://www.oracle.com/database/technologies/instant-client/downloads.html
Check http://www.sqltools.net for more information,
https://sqltools.net/smf20/index.php?topic=866.0 for development progress