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Dagger Cloud v3 features a new UI built with Go and WebAssembly, replacing the previous React-based frontend. The decision aimed to unify the codebases of the terminal UI and web UI, enhancing performance and reducing duplication. Despite challenges like the Go + WebAssembly combination's maturity and memory limitations, the team achieved a smoother, more consistent user experience. Key optimizations included reducing memory usage and ensuring better performance for large data sets. This approach is particularly beneficial for teams with a strong Go background and complex UIs.

We Replaced Our React Frontend with Go and WebAssembly