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OSS ReleasesOct 13, 2026·2 min read·By StartupCorners

OSS Releases: Bun 1.4.3, Nuxt 4.6.1, LiteLLM 1.105.0 and More

This week's stable releases bring Bun 1.4.3, Nuxt 4.6.1, a wave of LangChain and LiteLLM AI tooling updates, and a broad esbuild-to-Rolldown migration across Astro adapters.

Frameworks

  • withastro/astro (@astrojs/vercel 11.0.14): Fixes on-demand routes crashing with "Cannot find native binding" on Vercel caused by serverless functions loading rolldown at runtime. Release
  • withastro/astro (@astrojs/vercel 11.0.13, @astrojs/netlify 8.2.9, @astrojs/markdoc 2.0.11): Internal bundling and code transforms migrated from esbuild to Vite's Oxc-based transformWithOxc and Rolldown; direct esbuild dependency dropped across all three adapters. Vercel | Netlify | Markdoc
  • nuxt/nuxt (v4.6.1): Broad patch release fixing Vite 8.1+ optimizer message matching, setPageLayout type narrowing, Serialize object alignment with JSON, dev handler registration, and BroadcastChannel error handling, plus a lazy-build performance win for portable event web views. Release

Runtime

  • oven-sh/bun (v1.4.3): Maintenance release with contributions from eight community members; full notes on the Bun blog. Release
  • cloudflare/workerd (v1.20261013.1): Adds a wasm_esm_integration_builtins compat flag for runtime-compiled Wasm and groups SRS queries by a top-level queryId. Release
  • cloudflare/workerd (v1.20261010.1): Introduces a V8 startup-snapshot pipeline, wraps the global object via WrapGlobal, fixes a parked alarm desynchronization bug, and upgrades to V8 15.6 compatibility. Release
  • cloudflare/workerd (v1.20261009.1): Adds observer hooks for isolate cost attribution and V8 internal histograms, introduces spanContext for distributed tracing, and fixes multiple TypeScript readable/writable stream re-entrancy bugs. Release

Data

  • ClickHouse/ClickHouse: Patch releases across four maintained tracks this week: stable v26.9.17.8, LTS v26.8.25.14, stable v26.7.28.6, and LTS v26.3.49.3. No changelogs published; treat as bug-fix maintenance. v26.9.17.8

AI

  • openai/openai-python (v3.29.0): Adds billing_not_active session error code, a new "shida" named Live voice, vault metadata filters, and aligned beta pagination limits. Release
  • openai/openai-python (v3.28.0): Adds agent environment suspension and expiration support. Release
  • BerriAI/litellm (v1.105.0): Adds compatibility-aware MCP result conversion across tool surfaces, fixes Redis Cluster auth-cache invalidation via node-level pub/sub, and adds Rust registry validation for the model catalog. Release
  • BerriAI/litellm (v1.104.3): Backports the decision model guardrail and auto-router UI setup to the stable 1.104 branch. Release
  • langchain-ai/langchain (langchain 1.4.5): Adds a summarizer to SummarizationMiddleware. Release
  • langchain-ai/langchain (langchain-openai 1.7.1, langchain-core 1.6.10, langchain-anthropic 1.7.6): Incremental bug-fix point releases across the OpenAI, Anthropic, and core integrations. langchain-openai | core | anthropic
  • anthropics/anthropic-sdk-typescript (sdk-v0.133.0): Adds unified analytics metric types for Chat and Cowork, plus workflows, multiagent configuration, and thread-status filtering for Managed Agents. Release
  • vllm-project/vllm (v0.32.0rc0): Release candidate reporting host pool in KV cache capacity logs (HiSparse). Release

DevTools

  • neovim/neovim (v0.12.6): Stable bugfix release, now the current stable tag; changelog linked via :help news inside Nvim. Release

This week's releases highlight two converging trends: the Astro ecosystem completing its move from esbuild to Rolldown signals that the Vite/Oxc toolchain is reaching production-grade adoption in major frameworks, while the volume of AI-layer updates across LiteLLM, LangChain, and the OpenAI and Anthropic SDKs underscores how rapidly the agentic tooling surface area is expanding for developers building on top of hosted models.

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