Bun is joining Anthropic
UpdateUnverifiedAdded Sep 24, 2026
Bun has been acquired by Anthropic. Anthropic is betting on Bun as the infrastructure powering Claude Code, Claude Agent SDK, and future AI coding products & tools.
Topics: AI agents, LLMs, Developer tools, Coding agents
More Bun releases
Every Bun release| Date | Release | Type |
|---|---|---|
| Dec 6 | Bun v1.3.4unverified Update | Update |
| Nov 21 | Bun v1.3.3unverified Update | Update |
| Dec 17 | Bun v1.3.5unverified Update | Update |
| Nov 8 | Bun v1.3.2unverified Update | Update |
| Oct 28 | Vercel now supports the Bun Runtimeunverified Update | Update |
| Oct 22 | Bun v1.3.1unverified Update | Update |
| Jan 13 | Bun v1.3.6unverified Update | Update |
| Oct 10 | Bun 1.3unverified Update | Update |
Also shipped on Dec 2, 2025
Bun in December 2025| Date | Company | Release | Product | Type |
|---|---|---|---|---|
| Dec 2 |  Shopify | InventoryItem.variant field deprecated in favor of InventoryItem.variants connectionunverified | Shopify developer platform | Deprecation |
| Dec 2 |  Cloudflare | WAF - WAF Release - 2025-12-02 - Emergencyunverified | Cloudflare developer platform | Update |
Sources: each vendor's own release notes, changelogs and GitHub releases, read daily to monthly by how often it posts. Logos via logo.dev; trademarks belong to their owners.