“Download Temporal CLI for Linux amd64” links to https://temporal.download/cli/archive/v0.11.0?platform=linux&arch=amd64, which, according to @Quinn_Klassen, is multiple releases out of date.
In particular, the HelloUpdate example hangs and the Temporal server pegs the CPU at 140%.
I’ve confirmed that the HelloUpdate example runs correctly when using the latest CLI version 0.13.2