There are around 200 nodes with 12.0 installed as of now. https://bitnodes.21.co/nodes/?q=/Satoshi:0.12.0/ https://bitnodes.21.co/nodes/?q=/Satoshi:0.12.0/ Not

There are around 200 nodes with 12.0 installed as of now. https://bitnodes.21.co/nodes/?q=/Satoshi:0.12.0/ https://bitnodes.21.co/nodes/?q=/Satoshi:0.12.0/ Not all of them are going to be on machines with Tor running.