C210 released in June 26, with firmware version 1.25.

Specific firmware fixes:

• Fixes device which does not turn on when sent the specific command Move With On/Off Command with Move Mode Up
  • This fixes devices not responding to Hue smart buttons long press to increase brightness if the device is off
• Fixes various issues when using Move With On/Off Command and a specified Rate, used by some systems.
• Fixes device which does not always turn on when sent a Move To Level With On/Off Command with non-zero Level
  • This fixes the device not turning on from Hue Scenes / Timers / Automations that only set a brightness (when there is no explicit on command sent first)
  • This resolves an issue in Philips Hue where which required pressing the scene twice to activate correctly on the plug.
• Fixes device flashing when Philips Hue tells it to turn off if it is already off
• Fixes various issues when using Move To Level With On/Off Command and a specified Transition Time
  • This fixes the device not fading down over time when using the Philips Hue Sunset feature.
• Fixes device does not recall a stored Scene when sent a Scene Recall Command.
• Fixes device not always responding to OnOff Cluster Toggle Command in various systems.

Devices with firmware versions 1.23 and 1.24 can be updated manually to 1.25
Devices with any other firmware version cannot be updated.