Rust runtime beta

Vercel launches first-class Rust runtime support in public beta with Fluid compute, HTTP response streaming, Active CPU pricing, and an environment variable limit raised from 6KB to 64KB.

Vercel | In Edition 13, Saturday 13 Dec 2025

SOURCE Vercel, Rust runtime now in public beta for Vercel Functions

Added to The Deploy Log Tuesday 15 Sep 2026, updated Thursday 17 Sep 2026. Read Edition 13, the edition that carried it.

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