Check out stack overflow's developer survey. I look forward to it every year, it shows the trends for the field, pay, and includes your question on tech stacks and how well they pay too. It's gotten worse over the years, but still gold standard in my eyes.
stackshare.io but id love to find something with more details a granularity
That's not a tech stack...thats an application suite. If you can learn different programming languages and databases for a new job, I think you'll manage
Edited for app suites. It's true I would adapt if I was desperate for a job, but if I'm able to be picky, then I want to use the tools I've already learned. Same with programming languages.
you’ll only get a windows laptop as a dev at a boomer company