AWS shows Rust love at re:Invent: 10 times faster than Kotlin, one tenth the latency of Go • DEVCLASS

This title could be clearer and more informative.Try out Clickbait Shieldfor free (5 uses left this month).

AWS now uses Rust by default for data plane projects after finding it significantly faster than Kotlin and Go. Aurora DSQL saw 10x performance improvement when rewritten from Kotlin to Rust. Datadog reduced Lambda cold start times from 700-800ms to 80ms by migrating from Go to Rust, with their observability agent running nearly

#aws

#performance

#golang

#rust

#aws-lambda

Dec 08, 2025•4m read time•From devclass.com

Table of contents

Akamai buys Fermyon for Wasm-based serverless functions – a possible answer to Cloudflare workers Bun JavaScript runtime acquired by Anthropic, tying its future to AI coding AWS debuts Lambda managed instances on EC2: more control, lower cost for high volume users Zig project ditches GitHub for Codeberg but move could be costly Google's Chromium team decides it will add JPEG XL support, reverses 'obsolete' declaration Copilot .Net modernization tool a 'huge downgrade,' devs say – and no longer free Inside the cloud’s shift to Arm: Why hyperscalers and the industry are making the switch We take a look at Google's Antigravity: Agentic AI development but some frustrations for early adopt...Google VP of development explains how 'citizen developers' must be tempered by the pros Hands on with Kiro, the AWS preview of an agentic AI IDE driven by specifications Microsoft shovels extra Copilot features into VS Code amid dev complaints of 'more AI bloat'Despite 30 months work, core developer says Python's JIT compiler is often slower than the interpret...