Where did the speed go?

Lately we had performance complaints from Sourcetree users even after a series of optimizations took care of the obvious issues we could find. While we could see spin logs for various paths that were still heavy, there was nothing jumping out anymore. At this point I needed more data to help spread …

Find the regression

When High Sierra came out we got reports of a regression in [Sourcetree](www sourcetreeapp.com)’s dark theme. Building that was an adventure of its own so I was a bit concerned about what might have broken. After sitting down with the Xcode debugger I stepped through and verified all theming code …

A subtle crash

Recently we had a high volume crash in Sourcetree with a limited user count. Roughly 4 crashes a week per user in an onscreen notifications helper. The posting object was alive along with all parameters. The code hadn’t changed in years. What could be the culprit? After much staring and noodling (no …