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Cu Language Initial Design Document Released

October 25, 2026

The initial design document for the Cu language has been released. It summarizes the design philosophy (Accessibility / Performance / Control) and proposed syntax. It is not yet a formal language specification; further details will be finalized going forward.

See the Documentation and Versions pages for details.

Development Started

2026

Development of the Cu language has begun. Named after the chemical symbol for copper, with file extension .cu29. The initial implementation will build a dedicated runtime in Python.