[Docker executor] cimg/node wrong Operating System?

Build Environment
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Hi all!

Could someone help me understand which OS cimg/node Docker images created by CircleCI actually use?

Working with cimg/node:18.17.1-browsers, which use the LTS node.js version, seems to use Ubuntu 20.04.6 LTS as the OS.

Is it the right OS, or should it be the current Ubuntu LTS version that is Ubuntu 22.04.3 LTS?

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The image you are working with is designed to supply a known version of node, not Ubuntu, so 18.17.1 is the node version.