OCTOBER 25, 2023

Improving Instagram iOs Build Speeds

To develop effectively, mobile product engineers must be able to quickly see the results of their code changes. By late 2020, after years of codebase and complexity growth in Instagram’s iOS app, our build times had slowly regressed to the point where engineers needed to wait multiple minutes for each build. Over the past two years, we’ve restructured our codebase and optimized our build times, allowing our builds to complete in a sixth of the time.

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