Ask HN: What are the Cool Kids running with the demise of Atom?

Used to *love* Atom as a cross-platform GUI text editor - multiple language syntax highlighting, MD support, source control integration ... But GitHub EoL'd it a couple years ago :\ What are folks running instead now? (And as much as I love emacs (and can survive vi(m)) ... please do not suggest either of those - they're wonderful for what they are, but *neither* are what I'm asking about here ) Requirements: - cross-platform (all three - Linux, macOS, Windows) - multi-language syntax highlighting - source-control integration Nice-to-haves: - extensible - markdown support (with rendering for the final product) - themable