SQL Developer 21.4.3 requires Java 11 or 17. If you download the "no JDK" version, make sure your sqldeveloper.conf file is correctly configured to point to your Java installation.
Complete Guide to Downloading Oracle SQL Developer 21.4.3: Secure and Verified
As a later patch in the 21.x release cycle, 21.4.3 contains crucial bug fixes, performance optimizations, and security patches without the architectural changes introduced in major subsequent versions.
Oracle SQL Developer 21.4.3 includes bug fixes, security patches, and new features. Review the release notes for more information on what's new and changed in this version. oracle sql developer download 2143 download verified
: Use sha256sum or shasum -a 256 . System Requirements and Java Support
By following these steps, you should be able to download, verify, and install Oracle SQL Developer 21.4.3 successfully.
How to Download and Install Oracle SQL Developer 21.4.3 (Verified) SQL Developer 21
Oracle SQL Developer does not use a traditional installer; it is a "unzip and run" application. Oracle Help Center : Unzip the downloaded file into a fresh, empty directory
Before executing or extracting the downloaded archive, you must verify that the file was not corrupted during transit or altered by a third party. Oracle provides cryptographic checksums (SHA-256) for every official package. How to Verify the Checksum
Version 21.4.3 addressed several bugs present in earlier 21.x releases, making it a reliable, long-term support choice. Oracle SQL Developer 21
: Use the command certutil -hashfile SHA256 in the command prompt to generate a hash to compare against Oracle's provided value.
Note: You must log in with a free Oracle Web Account and accept the Oracle Technology Network License Agreement to initiate the download.
Choose the download package that matches your operating system:
: Downloads for Linux, macOS, and "Other Platforms" (32-bit/64-bit) typically do not include a JDK, requiring you to have one pre-installed.