Moving to a new Gen 4 Nest due to the support changes, are there any wiring changes for the base.

[TheMrPiazza]

I am taking advantage of the discount to upgrade my old nest (Gen 1 or 2) to the Gen 4. Can I remove it from the base on the wall and pop the new one on, or will I need to change the base of the unit as well?

I currently have (not sure if this is 1st or 2nd gen)

Model: Display 2.12

Blackplate Model: Backplate 2.21

[RipperT]

will need to use new base

[mstjohns]

You will need to use all three of a new mounting plate, new trim place and a new socket.

Note that you apparently need to have a "personal" as opposed to "Google workspace" account to use Google Home. None of the instructions online for using a workspace account provide any useful information and I was unable to enable my account for use with the Nest. 

[bixieupnorth]

it all sounds an absolute bloody nightmare> thanks google, you've really aced it this time!

how much would it really cost you to honour all us early adopter's commitment and keep these sturdy devices going until WE decide to change them?

assuming you're in the USA? here in the UK they're offering us a discount for a completely different system not even made by google and are pulling their thermostats out of europe completely. shocking really!