V2.07   2021.01.18
1. Improve the TTL compatibility of the EOS R5 camera.

V2.06   2019.08.10
1. Improve the compatibility of EOS R cameras.
2. Improve the compatibility of YN968C.


V2.04   2018.06.28
1.Repair the compatibility with 1500D/3000D camera.
2.Optimization of overheating protection.