I unfortunately now have a visual and auditory mental image, from experience, to be a referent for the concept "Zoom-bombing". Ugh. Time to learn how to create more secure settings for Zoom meetings for me.

Anyone finding themselves preferring to write in non-JVM languages, just to avoid the headache of tracking which libs may or may not depend on log4j ?

So far I haven't found a single project of mine which uses log4j

We did at work. Bumped the coordinate.

I think our spark clusters used log4j but it's already taken care of

Do standard Windows installs come with any programming languages? Python? Node? ...

Are you asking because you want to know if you can rely on the existence of one of them for some software you want to distribute to Windows users?

I'm pretty sure you can rely on .BAT files having universal support on Windows. I think Powershell is an optional add-on, not there in all installations.

XY problem: tasks like one liner http servers from a directory

If it is on machines that you personally use, then you can of course install whatever programming languages on them that you want. But I may still be missing the point.