Firmware version 01020511 - added support for "good night light" Firmware version 01020509/01020510 - Optimized pairing timing - Added custom command for enabling/disabling touchlink - Fixed issue related to the network joining in multi-hope scenario - Improved OTA image query mechanism - Fixed possible security issue - Improved timing identification through touchlink messages Firmware version 01020490 - Fixed possible malfunction in case of more systems working close - Fixed possible block condition in case of many color change commands in a short time - Fixed issue related to the configuration of the light level and color reports - Increased OTA upgrade reliability - Improved conversion between Hue/Saturation and x/y color notation upon color change commands