On a macbook pro.
Ever since the new phase 3 patch that changed the entire interface UI, my keybinds are occasionally reset. This happened when the phase 3 patch was released. It has happened again with the update from today/yesterday. This is becoming a large issue as I end up spending my time in game remapping my keys when i login.
Luckily, this last time I caught it and found that it had pushed my original keybindings tot the bindings-cache.old file and was able to copy it.