I should've been clearer — Some part of this will be the usual tech churn, of course, but another part of this is that you shouldn't pigeonhole yourself into a

I should've been clearer — Some part of this will be the usual tech churn, of course, but another part of this is that you shouldn't pigeonhole yourself into a $language developer, for whatever value of $language you chose when you first started learning. As the OP gets into the industry and starts learning stuff, there's a fair chance they'll end up changing their tech stack of choice.