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A newer version of this software is available, which includes functional and security updates. Customers should click here to update to the latest version.

The Quartus Prime Pro Edition Design Software, Version 21.4 includes functional and security updates. Users should keep their software up-to-date and follow the technical recommendations to help improve security. Additional security updates are planned and will be provided as they become available. Users should promptly install the latest version upon release.

Quartus Prime Pro Edition Design Software, Version 21.4 is subject to removal from the web when support for all devices in this release are available in a newer version, or all devices supported by this version are obsolete. If you would like to receive customer notifications by e-mail, please subscribe to our subscribe to our customer notification mailing list.

Critical Issues and Patches for the Quartus Prime Pro Edition Software, Version 21.4.
Knowledge Base: Search for Errata.
Problems and Answers on specific IP or Products.

To find software versions that support specific device families:
   • Refer to the Device Support List
   • Use the Software Selector

 

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