A specific bundle is available that includes the necessary JDK 8. Other Platforms:
Set the JAVA_HOME environment variable to JDK 11’s location, or edit sqldeveloper\bin\sqldeveloper.conf and add:
Before you download and install SQL Developer 21.4.3, ensure your system meets these requirements: oracle sql developer download 21.4.3 download
Last updated: October 2025 | Oracle SQL Developer version 21.4.3 is no longer under active development, but remains available for legacy support.
Version 21.4.3 is available only via Oracle’s archive system, not the main download button. Users must actively search for “SQL Developer 21.4.3 Archive” or use a direct archive URL. For new projects, using the latest release is strongly recommended. A specific bundle is available that includes the
After the download completes (file size ~400-500 MB), verify its integrity. Oracle provides a on the download page.
Includes a critical update to Apache Log4j 2.17.1 , protecting users against high-profile vulnerabilities. Users must actively search for “SQL Developer 21
Capabilities to browse, create, edit, and debug database objects. Data Modeling:
Go to Tools > Preferences > Database > Advanced and update the “Java Home” path.