I recently got a razer naga trinity for my MacBook and synapse 3 isn't compatible so I am basically stuck with a mouse that's basically useless since the binds arent customizable, when is synapse coming to macOS?
Synapse 3 for mac
Synapse 3 is not supported on Macs but the good news is that if you want to control lighting you can use
https://github.com/1kc/razer-macos
and you can follow the instructions on the page by typing the commands into terminal.
This site may help you.. . https://not.justsolutionsproducts.com/synapse-3-for-mac-solution/
Use BetterTouchTool. Sure you have to pay $22 for lifetime access. But allows full mapping of the mouse buttons (some need to be mapped through keyboard but just select ("works on keyboard of same type used for recording") so that buttons mapped on the mouse aren't mapped on your actual keyboard.
Working great for me so far and just on the free trial. My wife got me this mouse for my birthday and we didn't know it was tailored to windows. But I'm loving it with the app