Currently available up to version 16.0, though legacy installers for version 14 may be available for registered users.
Support for displaying multiple result sets simultaneously and on-demand fetching for CLOBs and BLOBs to improve performance. pl sql developer 14 license key free link
The most secure way to use PL/SQL Developer 14 for free is through the official 30-day trial . This version is fully functional and includes all the features of the registered version. Currently available up to version 16