My temperature settings seem to have changed

[DorrisMancer]

My two-controller Evohome system has been working well for a couple of years but several of the room temperature settings appear to have been changed recently - but not by my wife or I!
Has anyone else experienced similar strange behaviour?

[Henk de jong]

My two-controller Evohome system has been working well for a couple of years but several of the room temperature settings appear to have been changed recently - but not by my wife or I!
Has anyone else experienced similar strange behaviour?

May be gy an overal update 19.33?