Quartus® Prime Pro Edition: Version 25.3 Software and Device Support Release Notes

ID 683706
Date 9/29/2025
Public

1.2. Changes to Software Behavior

This section documents instances in which the behavior and default settings of the Quartus® Prime Pro Edition software have been changed from earlier releases of the Quartus® Prime Pro Edition software.

Quartus® Prime Pro Edition software version 25.3 introduces new software behavior changes.

For a list of all the default assignment settings for the latest version of the Quartus® Prime software, refer to the Quartus® Prime Default Settings File (.qdf):
  • Linux* operating systems: <Quartus Prime installation directory>/quartus/linux64/assignment_defaults.qdf
  • Windows* operating systems: <Quartus Prime installation directory>/quartus/windows64/assignment_defaults.qdf