Release notes for Taurus UCX-HC40

v2.20.1b3
Release date: 2025-09-29
New feature:
  • This release supersedes v2.20.0b4 (withdrawn on 2025-09-22 due to a regression in the DHCP/Static settings).The regression is resolved and additional safeguards were added.
    • Bugfix:
  • Resolved a critical issue where UCX devices could, in very rare cases, enter a frozen state after approximately ten days of inactivity.
    • v2.20.0b4
    Release date: 2025-09-18
    New feature:
  • The Taurus UCX webserver is ready to listen IPV6 addresses from now. Frontend , UI, and LW3 support are not available as of now.
  • HDMI Output 5V , New "Follow Signal Present" option is available now. It does only provide HDMI 5V signal when there is an active video signal.
  • Surprise. Network separation for HC40 series. Introduced a dedicated Room LAN interface on Taurus standalone devices, available under VLAN ID - 2000 assignment, static MAC allocation, and configurable static IP addressing via API without UI exposure.
  • Factory default 5K EDIDs are available now.
  • Newly supported StreamDeck devices and StreamDeck USB extension using Icron extenders are covered now.
    • Bugfix:
  • Resolved critical issue: Resolved rare cases where UCX units (eMMC failure) could freeze after a boot or restart cycle.
  • Resolved critical issue: Resolves performance breakdowns and freezes of the USB and USB-C layers and eliminates "I2C bus busy" style error messages in the logs.
  • Resolved critical issue: Welcome Screen reliability. Fixed initialization errors, significantly improving Welcome Screen stability.
  • Resolved critical issue: Support Package optimization: Improved resource usage during Support Package download.
    • Known issue:
  • Firmware update recommendation: Before proceeding with the firmware update a restart/reboot cycle on the impacted devices are highly recommended.
    • v2.19.0b1
    Release date: 2025-07-14
    New feature:
  • Remote System Logging functionality is available now under the V1/MANAGEMENT/LOG/REMOTE LW3 path.
  • Major LARA update: LARA 1.3.1 integration. LARA changelog is available on the LARA portal.
  • New Buildroot version: 2025.02.
    • v2.18.0b5
    Release date: 2025-06-17
    New feature:
  • Main_2, Main_3, and Main_4 MAC addresses are now automatically generated for every device. These MAC addresses are utilized when multiple VLANs are configured, simplifying network integration.
    • Bugfix:
  • A key issue has been resolved: DisplayPort Alt Mode now works with laptops exhibiting improper USB-C PD communication, ensuring more reliable BYOD performance.
    • v2.17.2b1
    Release date: 2025-03-19
    Bugfix:
  • A critical HDCP issue has been resolved now.
    • v2.17.1b4
    Release date: 2025-03-04
    Bugfix:
  • Critical USB-C Ethernet connectivity issues have been resolved now.
    • v2.17.0b5
    Release date: 2024-12-18
    New feature:
  • Major update on LARA is here: LARA 1.3 integration. Detailed LARA change log is available on the LARA portal.
    • v2.16.0b4
    Release date: 2024-11-19
    New feature:
  • OpenSSH Update: Addressed security vulnerabilities by upgrading to OpenSSH v9.8.
  • Added support for the UCX-1x1-C40 model.
  • General Security Update: Aims to ensure compliance with security standards.
    • Bugfix:
  • LARA Redirect Bug: Fixed an issue in the Taurus Webserver where redirects caused confusion in the frontend due to unclear sources.
  • Logging Improvements: Fixed an issue preventing logs from being saved to permanent storage by updating the logging configuration to ensure proper functionality.
  • LARA Name Resolution Bug: Resolved an issue where the LARA script encountered name resolution errors, causing unexpected termination.
    • v2.14.1b1
    Release date: 2024-10-04
    New feature:
  • Suppporting manufacturing changes.
    • v2.14.0b3
    Release date: 2024-08-02
    New feature:
  • LARA 1.2.0b41 integration.
  • DCX-3x1-HC20 is now officially supported.
    • Known issue:
  • USB-C Ethernet connection instabilities.
    • v2.12.0b3
    Release date: 2024-06-03
    New feature:
  • Two lane DisplayPort alternate mode is now available as well in case the four lane alternate mode setting is not supported.
  • Critical issues have been fixed at the launch of the LARA configurations.
  • LARA 1.2.0b40 integration.
  • New experimental LW3 node is available for testing now: EXPERIMENTAL/MEDIA/USB/Service.Enabled.
  • DCX-2x1-HC10 has LARA enabled now!
  • USB access is available via service port for demonstrating and piloting the StreamDeck device support in LARA.
  • A critical issue has been fixed at the USB-C Ethernet connection.
  • Password history is now maintained on web authentication. The past ten passwords are no longer available to used.
  • UCX-4x2-HC40D is now officially supported.
  • FlowControl handling on serial port is now supported.
    • Known issue:
  • USB-C Ethernet connection occasionally disconnects the connecting devices.
    • v2.10.0b5
    Release date: 2024-02-26
    New feature:
  • Taurus UCX-4x3-HC40-BD is now officially supported.
  • Bi-Directional Dante features are now integrated.
  • LARA 1.2.0b37 integration.
    • v2.9.0b6
    Release date: 2024-01-17
    New feature:
  • Disabled USB-C Ethernet ports are also disabling the ethernet bridge now.
  • Time zones are available option now for timed events. A new optional NTP service has been introduced. A new LW API has been introduced for date/time settings. The device does observe now both the UTC and both the local times.
  • Complete redesign of the WebLDC's session management. A new logout button has been introduced for logging out from the session. After 120 minutes the session will be closed and the user is going to be logged out automatically. After 15 minutes of inactivity the session will be closed also. 2 minutes prior to the inactivity logout the user has to option to confirm the willingness to keep using the system.
  • LARA 1.2 integration.
    • v2.7.1b1
    Release date: 2023-11-29
    New feature:
  • LARA 1.1.11 version update. For details please check the LARA release notes.
    • v2.6.0b6
    Release date: 2023-09-21
    New feature:
  • Now, new V51 variants are supported: UCX-2x1-HC40, UCX-2x2-H40, UCX-4x2-HC40
  • LARA 1.1.10 version upgrade
    • v2.5.0b6
    Release date: 2023-08-15
    New feature:
  • 100W charging settings are available now on the user interface
  • LARA v1.1.9 has been integrated. For more information please read the LARA release notes.
    • v2.4.0b2
    Release date: 2023-07-03
    New feature:
  • DCX and HC40: 100W (20W for secondary port) or 90W (30W for secondary port) charging is supported if enabled via API call (contact support team for more information)
    • Bugfix:
  • Fixed device freeze during boot time caused by less than ~2sec power outages.
    • v2.2.3b4
    Release date: 2023-05-09
    Bugfix:
  • Fixed unintended loss of configuration settings caused by non-standard (non-RFC) hostname.
  • Fixed uncertainties in Welcome Screen provisioning.
    • v2.2.0b4
    Release date: 2023-03-30
    New feature:
  • From this version on DCX-2x1-HC10 is supported.
  • Unique SSL certificate management has been added to Network/Services page.
  • Service settings have been separated from network setup.
  • The admin password with the allowance of special characters must be at least 10 characters long.
  • Stability improvements.
  • LARA v1.1.6 has been integrated into Taurus v2.2.0. For more information please read LARA release notes. https://go.lightware.com/lara-release-note-v2.2
    • v2.1.1b2
    Release date: 2023-03-09
    Bugfix:
  • Improved reliability of WelcomeScreen in case of running for more than 24 hours.
  • Not allowing to restore from different hardware variant backups.
  • Fixed LIVE LED functionality in DARK_MODE on HC40 hardware variants.
  • Stability improvements.
    • v2.1.0b2
    Release date: 2023-02-20
    New feature:
  • From this version on UCX-4x3-HC40 is supported
  • LARA v1.1.5 has been integrated into Taurus Firmware v2.1.0. Cisco RS232 communication is available and Room Kit Mini is supported. For more information please visit: https://go.lightware.com/lara-release-note-v2.1