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Runtime

Finishing Rise: The TUI Framework That Said It Was Done, and the App That Proved It Wasn't

Rise is our Bun-native terminal UI framework: typed-array screen buffer, zero dependencies. Its reports said complete. The type checker had 71 errors, four widgets drew garbage behind tests that asserted true === true, and the App class gave every widget the same hard-coded 10×3 layout constraints. This is how we finished it, and Rise Studio, the six-screen app we built on it to prove it.

September 25, 2026 10 min read
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Engineering

Porting Go's Bubble Tea to TypeScript: An Elm Architecture TUI Framework for Node.js

Charmbracelet's Bubble Tea — the Elm Architecture TUI framework — is now available as a zero-dependency TypeScript package. Event loop, input parser, renderer, 46 tests. The third of five Charm ports.

March 16, 2026 7 min read
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