DirectOut MILAN.IO Firmware ReadMe/Changelog, 31.03.2026

HW 0.18 / SW 0.30 (31.03.2026)
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-certified MILAN firmware release


HW 0.18 / SW 0.28 (10.11.2025)
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- DNA module support added


HW 0.12 / SW 0.23 (14.04.2025)
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- Bugfix: stream connection could be very slow when using both network interfaces on the same switch



HW 0.12 / SW 0.22 (13.08.2024)
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Known Issues
- If you use both networks on the same switch the stream connection is sometimes slow.
- For 4FS sync to CRF is recommended over sync to audio stream.
- Counter for timestamp uncertain of an output stream sometimes count up when no uncertain flag is set and no timestamp uncertain problem exists.

Bugfixes
- packet filter could prevent new TCP/IP connections on long-running devices <- fixed
- LLDP packets sent too often <- fixed
- improved IGMP behaviour after "Link up" event
- missing reply to "GET_TX_STATE_COMMAND" request if only 1 NIC was connected broke MILAN compatibility <- fixed



HW 0.12 / SW 0.19 (23.04.2024)
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Known Issues
- For 4FS sync to CRF is recommended over sync to audio stream.
- Counter for timestamp uncertain of an output stream sometimes count up when no uncertain flag is set and no timestamp uncertain problem exists.

Changes
- Improvements to MRP-MSRP parser
- Some bug fixes in the ADP state machine. One bug prevents the RX state machine to connect to a new TX stream, if a stream is already connected.
- Improved unsolicited messages.
- Bugfixes in several descriptors.
- Bugfix in presentation time settings.
- Bugfix in GET_AS_PATH. Now the completely path is transmitted.
- Bugfix in GET_AVB_INFO. Now the correct SR class, priority and VID are transmitted.
- Changed calculation of master to slave delay in WebUI.
- VLAN ID check is now disabled as default.
- higher priority for gPTP stack.
- Bugfix in bandwidth reservation for TX streams.
- Bugfix in gPTP stack for PDelay.
- Bugfix in gPTP receiving packet filter.




HW 0.9 / SW 0.15 (13.11.2023)
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First release