Restore device states on restart

[gopalkildoliya]

It will be helpful if we can restore device’s old state when restarting the home-assistant app.

[aimc (Andrew Cockburn)]

This is a duplicate:

Ability for input_boolean, input_select and input_slider to retain values over a restart

As the title says - I would find this very useful. Currently my heating switches off every time I restart I can fix that by firing an event after restart but then I have the opposite problem …