# Vercel Bun runtime now supports large functions and extended max duration - Product: Vercel (https://whatsnew.fyi/product/vercel) - Vendor: Vercel - Date: 2026-08-24 - Original notes: https://vercel.com/changelog/bun-runtime-now-supports-large-functions-and-extended-max-duration - Permalink: https://whatsnew.fyi/product/vercel/releases/2026-08-24-bun-runtime-now-supports-large-functions-and-exte What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- The Bun runtime on Vercel Functions now supports larger package sizes up to 5GB uncompressed and extended max duration for up to 30 minutes, two betas that previously ran on Node.js and Python only. L… - **added** — Bun runtime now supports larger package sizes up to 5GB uncompressed - **added** — Bun runtime now supports extended max duration for up to 30 minutes