V1.5 Update content:

1. Fix bugs in FRE mode control

2. Increase Canon R6markll compatibility

3. Compatible with Nikon Z9 camera

V1.7 Update content:

1. Add compatibility of Lumix S5II

V1.8  Update content: 
1. When in anti red eye function, the output power of the flash will be changed to normal-speed 1.0 (originally in present manual value).

V1.9 Update content: 
1. Add Canon EOS-R10 compatibility;