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SMLIGHT
Release notes · Apr 25, 2026 · 2 min read

SLZB-OS v3.2.8

Highlights

  • Integrated 30+ services for local automations, including WLED, Telegram, Weather, Slack, Wake-on-Lan, MS Teams, E-mail, OpenWRT, and more.
  • AI is here: added an AI Assistant to help write automation scripts more easily (Beta). Requires AI credentials (Anthropic only for now).4-minute YouTube overview.
  • SLZB-xU devices can now try a new experimental mode with a native OTBR app running directly on the device. Still experimental — the coordinator may become unavailable after some time in some installations.

Improvements

  • Moved Ethernet processing to Core 0 for better load balancing.
  • Optimized the scripts virtual machine for better performance.
  • For U devices, the BT Proxy option now links directly to the activation manual.
  • IPv6 temporarily disabled for rework.
  • All localizations except EN moved to a cloud server to reduce firmware size — loaded in the browser on first open when internet is available; EN is used offline.

Fixes

  • Fixed a crash on the "Playground: AI Assistant" page.
  • Fixed visibility of the "Playground: AI Assistant" and "Scripts Integrations" pages.
  • Fixed metadata overflow crashes for older .gbl update files.
  • MRW10/10U now use the Z-Wave packet parser, improving socket stability.
  • Fixed a crash in the hard reset handler.

Zigbee Hub

  • Replaced the LQI unit with "none".
  • Fixed logging of values for Tuya DP.
  • MQTT now sends correct values even for unsupported devices, allowing them in automations.
  • Added support for new Zigbee devices.