Well GitHub sent me a stickerā¦ with the IDE that they've literally just depreciated and are phasing out by the end of the year 
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VSCode is what I switched over to. It's really great and has a massive plugin and theme ecosystem. It's also wayyy faster than Atom.
+1 to what Micah said, vscode is actually great ngl. It's one of those perfect pieces of software that is absolutely feature-packed but still very easy to understand