New feature: Bun.markdown – a fast CommonMark‑compliant parser written in Zig (md4c port).
API: .html(), .render() with custom JS callbacks, .react() for React elements.
Supports GFM extensions (tables, strikethrough, task lists, autolinks) and options like wikiLinks, latexMath, headingIds, autolinkHeadings.
CLI improvement: bun build --metafile-md generates a Markdown visualization of the bundle graph, useful for LLM‑friendly analysis. Can output JSON+Markdown or custom filenames.
Bug fixes:
Corrected napi_typeof return value (fixes native addon crashes).
Resolved heap snapshot and node:vm crashes.
Fixed HTTP/2 stream handling for gRPC, npm install on Windows, and other runtime issues.
Rust
📰 2025 Rust Foundation Annual Report Project Director Update
Preview: The PostgreSQL extension package manager pig v1.0 is now generally available alongside PGEXT.CLOUD, an open infrastructure for extension discovery and binary delivery. The catalog lists 444 extensions
Preview: GitHub Codespaces is now available in public preview for GitHub Enterprise Cloud with data residency. You can now use secure, configurable, instantly available cloud development environments while mai
Model retirements: GPT‑4o, GPT‑4.1, GPT‑4.1 mini and OpenAI o4-mini will be retired Feb 13 2026; GPT‑5 (Instant & Thinking) also retiring.
New model release: GPT‑5.2 (Instant, Thinking, Pro) released Nov 12 2025 with August 2025 knowledge cutoff, improved reasoning, structured explanations, and better performance on technical tasks.
Search & browsing:
Jan 26 2026 – Better search responses in ChatGPT Voice, including shopping results.
Personalization enhancements:
Jan 22 2026 – GPT‑5.2 Instant’s default personality updated; users can still adjust style/tone.
Preview: Amazon EventBridge increases event payload size from 256 KB to 1 MB, enabling developers to ingest richer, complex payloads for their event-driven workloads without the need to split, compress, or ext
Preview: Carbon Footprint Fixed We have corrected the issue resulting in incomplete Cloud Run emissions data for November and December 2025. Customers who used Cloud Run during this period can now access the c
Preview: This week’s newsletter summarizes a more efficient approach to garbled circuits and links to an LN-Symmetry update. Also included are our regular sections with selected questions and answers from the