This is a response to the Rust call for blogs 2021 and also a followup to last year’s entry. It will be entirely focused on GUI. There is considerable interest in GUI toolkits for Rust. As one data point, it was the 6th highest rated challenge for adoption in the 2019 Rust survey, just behind async I/O. There is also a fair amount of activity towards this goal, though as a community it still feels