Today, we’re happy to announce an all-new look for the History tab in GitHub for Mac:

The new history tab

This new design has a far more efficient way of viewing your repository’s history than its predecessor. Not only that, but it’s fast. Really fast.

Specifically, we used libgit2 to massively improve the performance of diffs, and ReactiveCocoa to achieve a tab which loads faster and is more responsive than ever before.

This is just the first step in our new vision for GitHub for Mac. We can’t wait to bring this level of awesomeness to the rest of the app.