PSDK 2.2.1 Sync（Released on January 20 2021）

• Fix the problem that OSDK 4.0.0 sample cannot download PSDK device media files
• Fix the problem that the SDK interconnection function cannot reconnect in unreliable transmission mode
• Fix the problem of SDK interconnection function abnormality in dual remote controller mode
• Fix the problem that PSDK occasionally failed to initialize in dual remote controller mode
• Fix the problem that the data transmission function occasionally fails to send
• Fix the problem that the payload coordination function cannot obtain the information of No.2 gimbal on M200 V2 series aircraft
• Fix the problem of abnormal image ratio of PSDK camera in video mode
• Fix the abnormal log output problem of the positioning function after the initialization failed
• Optimize PSDK errors and warning logs output
• Optimize display name of the default widget list
• Add a sample for camera digital zoom
• Add a sample for subscribing aircraft GPS data
• Add android platform toolchain support

PSDK 3.0 Release (Released on 20 October 2021)

• Add the OSDK 4.x version functions support (only support on OSDK port)
• Add the DJI offline certificate support
• Add the serial port baud rate adaptive support
• Add the arrest-flying feature support in Flight Controller module
• Add the custom widget feature support on OSDK port
• Add the remote controller custom button mapping function support
• Add the DJI L1/P1 camera support in Camera Manager module
• Enhance the camera media file download speed
• Fix some bugs on the last version
• More sample support
• More toolchain support