# Bun 1.4 lands on Appwrite: the first Bun written in Rust

DevFeed: [Bun 1.4 lands on Appwrite: the first Bun written in Rust](<https://devfeed.tech/articles/bun-1-4-lands-on-appwrite-the-first-bun-written-in-rust-16418.md>)

Original publisher: [Read original article](<https://appwrite.io/blog/post/announcing-bun-1-4-runtime>)

Author: Atharva Deosthale

Published: 2026-08-21T00:00:00Z

Content type: release

Language: en

Sources: [Appwrite Blog](<https://devfeed.tech/sources/appwrite-blog.md>)

Topics: [Bun](<https://devfeed.tech/topics/bun.md>), [Appwrite](<https://devfeed.tech/topics/appwrite.md>), [Rust](<https://devfeed.tech/topics/rust.md>), [OpenTelemetry](<https://devfeed.tech/topics/opentelemetry.md>), [Playwright](<https://devfeed.tech/topics/playwright.md>)

Tags: [announcements](<https://devfeed.tech/tags/announcements.md>), [build](<https://devfeed.tech/tags/build.md>), [bun](<https://devfeed.tech/tags/bun.md>), [node](<https://devfeed.tech/tags/node.md>), [npm](<https://devfeed.tech/tags/npm.md>), [opentelemetry](<https://devfeed.tech/tags/opentelemetry.md>), [playwright](<https://devfeed.tech/tags/playwright.md>), [release](<https://devfeed.tech/tags/release.md>), [rust](<https://devfeed.tech/tags/rust.md>)

## AI overview

Bun 1.4 is available on Appwrite Cloud for Appwrite Functions and Sites. The release is the first Bun version written in Rust and includes improved Node.js 26 compatibility, faster startup and installs, lower memory and idle CPU use, native Web Streams, and new built-in APIs. The article also describes upgrade considerations and benchmarks against Bun 1.3 and Node 26.

## Source excerpt

Bun 1.4 is now available as a runtime for Appwrite Functions and as a build runtime for Appwrite Sites. We benchmarked it against Bun 1.3 and Node 26.