GitHub has just released an upgrade to its “hackable” Atom text editor, adding a native C++ buffer and rewriting the DOM interaction layer. The company also has offered a glimpse of the next version, which will improve Git integration and PHP support.

With this week’s Atom 1.19 release, a native C++ text buffer boosts responsiveness and memory usage. “Saving a file now happens asynchronously without blocking the UI, so that you can move smoothly from one task to the next,” GitHub’s Ian Olsen said. Also, large files now consume less memory.

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