A Spotify engineer described completing the migration of 1.1 million lines of shared client C++ from CMake to Bazel at BazelCon 2025.
The official abstract says Spotify completed a CMake-to-Bazel migration covering 1.1 million lines of shared client C++ across more than five platforms.
Driving Architectural Improvements with Dependency Metrics
Spotify engineers described moving client codebases into a Bazel-powered monorepo at BazelCon 2022.
The official session says Spotify was moving client codebases into a monorepo powered by Bazel and using Bazel-derived dependency metrics to guide the migration.