ZIP Package MD5: 24ab9d3356735ca07e52e5afb4c92d53

Clone Command: git clone https://github.com/alibaba/AliOS-Things.git -b rel_1.3.3

Highlights:

• Link Kit upgraded to 2.2:
  • Device can be offline reset;
  • Add gateway support;
  • Support objects for array data type in TSL(Thing Specification Language);
• LinkWAN enhancements:
  • footprint optimization for extremely resource-constrained devices (up to 6K RAM usage);
• Security enhancements for iTLS：
  • Use pre-shared key(ID square) for mutual authentication: smaller footprint, higher performance;
  • Support different security level for ID square to balance between security and cost;