Twitter + GitHub = TwUI
GitHub for Mac is powered by TwUI, Twitter’s open source, Core Animation-based UI framework for Mac. It’s the same framework that drives Twitter for Mac. TwUI lets us create fast,…
GitHub for Mac is powered by TwUI, Twitter’s open source, Core Animation-based UI framework for Mac. It’s the same framework that drives Twitter for Mac. TwUI lets us create fast, animatable UIs using modern APIs. It’s fantastic.
We’ve made a lot of fixes and additions in our TwUI fork:
We’ve been working with the fine folks at Twitter to figure out the best way for us all to make TwUI more amazing.
They invited us to join forces.
What does it mean?
TwUI has a bright and glorious future.
All of our changes are now in the original TwUI repository. That includes a lot of bug fixes, HiDPI support, and our sweet new popover:
.
We’re excited to work with Twitter to make TwUI even more awesome.
Written by
Related posts

GitHub Copilot: Meet the new coding agent
Implementing features has never been easier: Just assign a task or issue to Copilot. It runs in the background with GitHub Actions and submits its work as a pull request.

Code. Create. Commit. Welcome to dev/core
The new GitHub Shop collection is here. We’re celebrating you.

GitHub Availability Report: April 2025
In April, we experienced three incidents that resulted in degraded performance across GitHub services.