Eigen - Hybrid quantum-classical programming language

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Eigen improves performance, reliability, and developer experience with faster execution, enhanced compiler caching, improved simulator scaling, CI/CD stability fixes, and automatic cross-platform packaging. - Eigenresearch/Eigen

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Eigen 2.7 «Meridian» is here! We just shipped a complete hybrid quantum-classical programming language with: • 3.3–5.2× faster quantum simulation thanks to Rust • 1000+ qubit stabilizer simulator • LLVM AOT compilation + full FFI • Pulse-level control and MPI distribution • 2410 tests and 188/188 roadmap items completed This is not another quantum SDK — this is a real standalone language with its own VM, compiler pipeline and research tooling. Would love to hear your thoughts, especially from quantum devs and language design enthusiasts! Try it:

Honestly the CI/CD stability fixes alone are worth it, had way fewer flaky builds this week and the cross-platform packaging saves me from juggling scripts for every release.

The compiler caching and CI/CD stability fixes are a real quality-of-life win. Love seeing a tool that takes the boring infrastructure pain seriously instead of just chasing flashy features.

the compiler caching speedup is such an underrated quality of life win, nice to see a team actually ship the unsexy infrastructure stuff that makes daily dev work feel smoother.

How does Eigen handle projects with custom build configs that differ a lot from the defaults, do I need to tweak anything or does it just slot in?