Due to a problem in the Quartus® Prime Pro Edition Software version 18.1, increased compilation times may occur when global Advanced I/O Timing settings are used.
To work around this problem, in the Quartus® Prime Pro Edition Software version 18.1 apply the Advanced I/O Timing settings on a per pin specific basis.
Beginning with the Quartus® Prime Pro Edition Software version 18.1.1 an error is flagged when a global Advanced I/O Timing setting is used for the Stratix® 10 devices.