Changes On 1.26 : New feature is the optional Integration with Google Fit. If you want, you can activate Sync to GoogleFit in the settings dialog. Steps, Pulse, Activities (walking and biking) and weight ca be enabled.
A few bugfixes concerning Sync of the Widget data.
In both cases the Pebble watch app needs to be updated. (MenĂ¼ => Install QuickFit-App on Pebble Watch)