Expo's Exact framework lets coding agents build and test one app across four platforms Expo updated the README for its experimental Exact cross-platform runtime on November 9th to feature a demonstration store running on web, iOS and macOS, with the runtime supporting four platforms. Expo co-founder Charlie Cheever is named as the author in the commit for the README update. Exact is built for coding agents, with constrained languages, visual inspection and portable tests built into the runtime. Expo's Exact framework lets coding agents build and test one app across four platforms On November 9th, Expo updated Exact's README to feature a demonstration store on web, iOS and macOS. The experimental runtime supports four platforms. By RuntimeWire Staff https://runtimewire.com/author/runtimewire-staff · Published Primary source: Hacker News https://github.com/expo/exact Why it matters Exact is Expo's test of a cross-platform framework designed for coding agents, with constrained languages, visual inspection and portable tests built into the runtime. Expo co-founder Charlie Cheever https://medium.com/harvard-in-tech/harvard-in-tech-spotlight-charlie-cheever-early-facebook-engineer-and-co-founder-of-quora-and-512a3d83548f?ref=runtimewire is the author named in the patch for the November 9th README update https://github.com/expo/exact/commit/94b8671f70fe2e25b307a40e7fce66dc27c9f802?ref=runtimewire to Exact https://github.com/expo/exact?ref=runtimewire , a cross-platform application runtime from Expo.… When you purchase through links in our articles, we may earn a small commission https://runtimewire.com/affiliate-monetization-standards . This doesn’t affect our editorial independence.