Vercel now supports the Bun Runtime
Deploy and run your applications with Bun's fast JavaScript runtime on Vercel Functions, with full access to Bun APIs and improved performance
Also shipped Oct 28, 2025Bun in October 2025 →
Access private hostname applications support all ports/protocols
Cloudflare Access for private hostname applications can now secure traffic on all ports and protocols. Previously, applying Zero Trust policies to private applications required the application to use HTTPS on port 443 and support Server Name Indicator (SNI). This update removes that limitation.
Tailscale Services
- New: Use Tailscale Services to decouple applications and services from the devices that host them ( beta ).
Export dashboards as images
Sharing your Grafana dashboards just got easier. You can now export any dashboard as a PNG image. Use the Export as image option to generate an image: A preview of the image is displayed. Click Download image : Using dashboard images, you can quickly send data to your team in chat, added to a presentation, or attached to an email.
AI Search - Reranking and API-based system prompt configuration in AI Search
AI Search now supports reranking for improved retrieval quality and allows you to set the system prompt directly in your API requests. Rerank for more relevant results You can now enable reranking to reorder retrieved documents based on their semantic relevance to the user’s query.
CASB introduces new granular roles
Cloudflare CASB (Cloud Access Security Broker) now supports two new granular roles to provide more precise access control for your security teams: Cloudflare CASB Read: Provides read-only access to view CASB findings and dashboards.
Gateway - New Application Categories added for HTTP Traffic Management
To give you precision and flexibility while creating policies to block unwanted traffic, we are introducing new, more granular application categories in the Gateway product.
More from BunEvery Bun release →
Bun v1.3.1
Fixes 103 issues (addressing 172 👍). 2× faster bun build on macOS for symlink-heavy projects, source maps preserve legal comments, and --format=cjs now inlines import.meta; bun test adds global vi, --pass-with-no-tests, and --only-failures; .npmrc :email auth support, faster installs when no peer deps, selective hoisting for isolated installs...
Bun v1.3.2
Fixes 287 issues (addressing 324 👍). Hoisted installs restored as default for backward compatibility. CPU profiling with --cpu-prof, faster installs for packages with post-install scripts, bun:test onTestFinished hook, ServerWebSocket subscriptions getter, Alpine 3.22 in Docker images, improved Git dependency resolution, bun list alias, and numerous bug...
Bun 1.3
Bun 1.3 introduces zero-config frontend development, unified SQL API, built-in Redis client, security enhancements, package catalogs, async stack traces, VS Code test integration, and Node.js compatibility improvements.
Bun v1.3.3
Fixes 95 issues (addressing 348 👍). CompressionStream and DecompressionStream, Control .env and bunfig.toml loading in standalone executables, `retry` and `repeats` in `bun:test`, --no-env-file, SQLite 3.51.0, Upgraded to Zig 0.15.2, Bugfixes for bundler, bun install, Windows, Node.js compatibility, Web APIs, Bun.serve, networking, Bun.YAML...
Bun v1.2.23
Fixes 119 issues (addressing 412 👍). pnpm-lock.yaml migration for seamless switching from pnpm to bun install, Redis Pub/Sub support, concurrent test execution with configurable parallelism, platform-specific dependency filtering with --cpu and --os flags, system CA certificates support with --use-system-ca, Windows code signing for compiled executables...
Bun is joining Anthropic
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.
Bun v1.3.4
Fixes 194 issues (addressing 412 👍). URLPattern API, Fake Timers for bun:test, Custom Proxy Headers in fetch(),console.log %j format, http.Agent connection pooling fix, Standalone executable config loading changes, SQLite 3.51.1, and numerous bugfixes for bun:test, Node.js compatibility, Windows, Web APIs, bun install, and more
Bun v1.3.5
Fixes 32 issues (addressing 25 👍). Bun.Terminal API, compile-time feature flags, improved Bun.stringWidth accuracy, V8 C++ value type checking APIs, Content-Disposition support for S3 uploads, environment variable expansion in .npmrc quoted values, and numerous bug fixes & node.js compatibility improvements