PS Audio FPGA dac


What happened to the PS Audio’s Direct Stream FPGA dac with the recurring firmware updates?

It used to be a hot topic with every new iteration of the firmware.

Does each firmware update improve the sound significantly or has the company stopped offering updates?

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Have searched but there is no discussion on the latest firmware updates for the last quarter. 

Like many things audio that are introduced with much fanfare - they eventually blend in with the crowd.