The patched firmware update for the Denon AVR-591 addresses existing issues and improves the overall performance of the receiver. If you're experiencing problems with your AVR-591 or want to ensure optimal functionality, apply the patched firmware update today.
According to user reports on AV forums and support channels, the issue has now been resolved. The "patched" status refers to a correction in how the update files are now served and installed. denon avr591 firmware update patched
was released before the widespread adoption of built-in networking (HEOS), it does not support the seamless over-the-air updates common in modern units. Instead, patching typically requires: Denon AVR-591 Firmware Update Patched: What You Need