Most of the big, original neurons are actually mainly controlled by CLI tools like quill. And even if your neuron is held by your NNS dapp principal, you can still add a quill-controlled identity as a hotkey so you can vote from the console as well. The third avenue is by following a CLI-controlled neuron
It was actually the subnet, not a specific canister. There’s also info over here: Proposal to elect new release rc--2024-05-09_23-02 - #6 by Lorimer