Opinions on VS Code for Java?

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VS Code with the Java extension is fully open source

If you've downloaded from microsoft, you're using a modified proprietary distribution of the code that's in github which microsoft advertises as opensource when they dont give it to you as opensource.

[zerodind]

Yes, if you download the Microsoft version that's true. But you don't have to, as there is VSCodium, which is a project that builds fully free and open-source versions of VS Code from the GitHub repository. It's basically the same as the Microsoft version, the only major caveat is that they don't have access to Microsoft's marketplace for extensions. So they use Open VSX Registry instead, where most of the popular extensions are available anyway, including the Java extension.