Breaking changes in Kivy 2.0 - darkopevec/kivy GitHub Wiki

This is a draft of API breaks which were merged in master and planned to be released with Kivy 2.0.

#3891 ButtonBehavior.always_release defaults to False
#4132 ButtonBehavior.MIN_STATE_TIME was removed
#4168 kivy.metrics.metrics was removed
#4211 TextInput.background_disabled_active was removed
#4254 kivy.utils.platform is now a string and not a callable