Bug? scaling canvas is jumpy

Previous discussions of Chrome rendering issues (though those were about Mac Chrome, so maybe this is a different issue?):

https://talk.observablehq.com/t/long-string-output-cells-on-macos-and-chrome/1703
https://talk.observablehq.com/t/flickering-slides/2274
https://talk.observablehq.com/t/struggling-with-janky-rendering/2279