Before Twitter for iOS code reaches production, we run it through static analysis, automated testing, code review, manual verification, and employee dogfooding. In this last step, we distribute beta builds to our employees to collect real-world feedback on products and monitor code stability through crash reports.

Detailed crash data has had a huge impact to our development process, and significantly improved mobile app performance and quality. This post describes two types of bugs, and how we used detailed data from Crashlytics to diagnose and fix them.Read more…

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Every day, a growing number of people log in to Twitter. Usually these login attempts come from the genuine account owners, but we occasionally hear from people whose accounts have been compromised by email phishing schemes or a breach of password data elsewhere on the web.Read more…

Last year, we introduced a new way of handling patents called the Innovator’s Patent Agreement. The IPA is a new way to do patent assignment that keeps control in the hands of engineers and designers. We put the draft agreement up on Github and over the past year, we’ve received a lot of great comments and feedback.Read more…