Alexa can't set white colors

Since the firmware updated, Alexa can’t set the light strip to any white color. Is there a firmware upgrade or downgrade available to fix this?

Account 1794011695
US server
Yeelight Lightstrip
Firmware 1.4.2_0049

Have added you into whitelist, so you can update latest firmware to resolve the issue. The update will be available in 2 hours.

The update is still not available for me. Can you check it?