A Spreadsheet Library Where You Can Build =LLM("question") — GridSheet v3 Release Notes

GridSheet v3 is a major update that fundamentally overhauls the foundation of our spreadsheet UI library. This article covers the key features added since v2.2.0 along with the breaking changes in v3. Try the demos: Basic Demo | Async + Spilling Demo | Single HTML Demo (CDN) GridSheet works not only with React, but also with Vue, Svelte, and Preact. It can even run in a single HTML file via CDN — no build tools required. 1. Async Function Support First-class async/await support for formula functions (introduced in v2.2.0). Background: Designed with LLM and External API Integration in Mind Integration with external APIs — including LLMs — has become commonplace. If spreadsheet cells could call APIs directly and display or aggregate results, the possibilities for data analysis and workflow automation expand dramatically. The async function support in GridSheet was designed with exactly these use cases in mind. Usage Simply extend BaseFunctionAsync and make the main() method async . class