v3.7

1. Added format 'HA BLE', reed switch operation mode: Switch and Count.
2. Full support for "HA BLE" encryption.
3. Speed (CLK) correction I2C for LCD controller LYWSD03MMC HW:1.9.

v3.6

• Additional parameters: Support BT5.0 PHY, Channel Selection Algorithm 2
• Correct RF-TX Power in suspend

v3.5

1. Correction of moisture readings for SHT4x sensors. 
2. Rounding off sensor values on display.
3. Saving HW string B2.0 on LYWSD03MMC.
4. Eliminated battery voltage noise in CGG1-M.
5. CGG1 - correction of the battery charge display.
6. Added CGDK2 and modified (DIY) variant of CGDK2-2.

v3.4

Correct Hardware Version Setting for LYWSD03MMC B1.7

v3.3

Added autodetection for LYWSD03MMC hardware versions B1.6 and B1.9. For CGG1-M and MHO-C401 - autodetection of SHTV3 or SHT4x sensors.

v3.2

Version	Changes
1.2	Bind, Set Pin-code, Support MHO-C401
1.3	Get/Set comfort parameters
1.4	Get/Set device name, Get/Set MAC
1.5	Add Standard Device Information Characteristics
1.6	Fix alternation of Advertising in mi mode
1.7	Authorization and encryption in permissions to access GAP ATT attributes, if pin code is enabled
1.8	Time display (instead of a blinking smile)
1.9	Recording measurements to flash memory (cyclic buffer for 19632 measurements)
2.0	Recording measurements with averaging to flash memory
2.1	Periodic display refresh for MHO-C401'Erase mi-keys' option to return to original firmware
2.2	Added parameter "Encrypted Mi Beacon"
2.3	Added "Delete all records"
2.4	Added parameter "Clock time step"
2.5	Remove TRG/FLG errors, minor optimization
2.6	Expanding the ranges of threshold parameters (TRG)
2.7	Reducing power consumption of MHO-C401 (EDP update), adding version for CGG1
2.8	Added saving bindkey to EEP if mi-keys are erased, reduced TX power to 0 dB for defaults
2.9	Added additional id flags to advertising packages
3.0	Added toggle support for advertising package structures for third-party software
3.1	Fix security attributes (for pincode)
3.2	Added new encrypted beacon formats, reed switch maintenance.

v3.1

Version	Changes
1.2	Bind, Set Pin-code, Support MHO-C401
1.3	Get/Set comfort parameters
1.4	Get/Set device name, Get/Set MAC
1.5	Add Standard Device Information Characteristics
1.6	Fix alternation of Advertising in mi mode
1.7	Authorization and encryption in permissions to access GAP ATT attributes, if pin code is enabled
1.8	Time display (instead of a blinking smile)
1.9	Recording measurements to flash memory (cyclic buffer for 19632 measurements)
2.0	Recording measurements with averaging to flash memory
2.1	Periodic display refresh for MHO-C401 'Erase mi-keys' option to return to original firmware
2.2	Added parameter "Encrypted Mi Beacon"
2.3	Added "Delete all records"
2.4	Added parameter "Clock time step"
2.5	Remove TRG/FLG errors, minor optimization
2.6	Expanding the ranges of threshold parameters (TRG)
2.7	Reducing power consumption of MHO-C401 (EDP update), adding version for CGG1
2.8	Added saving bindkey to EEP if mi-keys are erased, reduced TX power to 0 dB for defaults
2.9	Added additional id flags to advertising packages
3.0	Added toggle support for advertising package structures for third-party software
3.1	Fix security attributes (for pincode)

v2.6

Version	Changes
1.2	Bind, Set Pin-code, Support MHO-C401
1.3	Get/Set comfort parameters
1.4	Get/Set device name, Get/Set MAC
1.5	Add Standard Device Information Characteristics
1.6	Fix alternation of Advertising in mi mode
1.7	Authorization and encryption in permissions to access GAP ATT attributes, if pin code is enabled
1.8	Time display (instead of a blinking smile)
1.9	Recording measurements to flash memory (cyclic buffer for 19632 measurements)
2.0	Recording measurements with averaging to flash memory
2.1	Periodic display refresh for MHO-C401'Erase mi-keys' option to return to original firmware
2.2	Added parameter "Encrypted Mi Beacon"
2.3	Added "Delete all records"
2.4	Added parameter "Clock time step"
2.5	Remove TRG/FLG errors, minor optimization
2.6	Expanding the ranges of threshold parameters (TRG)

v2.3p

Version	Changes
1.2	Bind, Set Pin-code, Support MHO-C401
1.3	Get/Set comfort parameters
1.4	Get/Set device name, Get/Set MAC
1.5	Add Standard Device Information Characteristics
1.6	Fix alternation of Advertising in mi mode
1.7	Authorization and encryption in permissions to access GAP ATT attributes, if pin code is enabled
1.8	Time display (instead of a blinking smile)
1.9	Recording measurements to flash memory (cyclic buffer for 19632 measurements)
2.0	Recording measurements with averaging to flash memory
2.1	Periodic display refresh for MHO-C401'Erase mi-keys' option to return to original firmware
2.2	Added parameter "Encrypted Mi Beacon"
2.3	Added "Delete all records"

v2.1

1.2 Bind, Set Pin-code, Support MHO-C401
1.3 Get/Set comfort parameters
1.4 Get/Set device name, Get/Set MAC
1.5 Add Standard Device Information Characteristics
1.6 Fix alternation of Advertising in mi mode
1.7 Authorization and encryption in permissions to access GAP ATT attributes, if pin code is enabled
1.8 Time display (instead of a blinking smile)
1.9 Recording measurements to flash memory (cyclic buffer for 19632 measurements)
2.0 Recording measurements with averaging to flash memory
2.1 Periodic display refresh for MHO-C401, 'Erase mi-keys' option to return to original firmware