The 10 biggest things in tech, Sun, Sep 20

The ten biggest stories in tech today, scored 1–10 and ranked from 150+ engineering sources. Free, updated every morning.

  1. Google infiltrates supply-chain hacking gang

    Google Threat Intelligence revealed it embedded an undercover analyst inside TeamPCP, monitoring an unprecedented open-source supply-chain attack that compromised over 1,000 companies before coordinating arrests in Australia with intelligence from rival group ShinyHunters.

    #1 · security · scored 8/10

  2. Bun rewrites 535K lines Zig to Rust

    Bun completed an AI-assisted rewrite of 535,000 lines of Zig into Rust in four months using Claude Fable 5, eliminating memory safety vulnerabilities and finishing well ahead of the estimated one-year timeline.

    #2 · backend · scored 8/10

  3. EPA repeals coal/gas carbon standards

    The EPA repealed the 2024 Carbon Pollution Standards for coal and gas power plants, eliminating requirements for 90% carbon capture or shutdown by 2039 and removing an estimated 1.38 billion metric tons of emission reductions through 2047.

    #3 · industry · scored 8/10

  4. OpenAI tracks users across the web

    OpenAI's ad platform uses a persistent tracking cookie to correlate ChatGPT user accounts with browsing behavior — search queries, purchases, and articles read — across 936 advertiser websites without disclosed user consent.

    #4 · security · scored 7/10

  5. AI agent platforms and tooling ship

    Google released Kotlin ADK 1.0 with on-device Android agent support, Alibaba open-sourced OpenCodeReview achieving higher precision than Claude Code at one-ninth the tokens, and practitioners published orchestration patterns like the 'Chief of Staff' design for managing long-horizon Claude Code agents.

    #5 · ai · scored 7/10

  6. PyPy v8.0.0 and NumPy-in-browser milestone

    PyPy v8.0.0 shipped with Python 3.12 beta support and cp312-abi3 wheel compatibility, while Emscripten-forge NumPy gained WebAssembly OpenBLAS linkage delivering up to 30× matmul speedups, together advancing Python runtime breadth from server to browser.

    #6 · backend · scored 7/10

  7. Cloudflare eliminates TLS retry overhead

    Cloudflare's Automatic Key Exchange feature measures per-origin TLS preferences and post-quantum support daily, cutting HelloRetryRequest failures from 52% to 3.7% and reducing p90 handshake latency by 150ms across all zones.

    #7 · platform · scored 7/10

  8. Notion adopts CRDTs for collaborative editing

    Notion replaced its 'last write wins' collaborative editing system with CRDTs in 2025, deterministically merging concurrent block edits to prevent data loss at scale.

    #8 · backend · scored 7/10

  9. AI reliability and production agent failures

    Multiple practitioners and Nvidia executives warned this week that AI agent failures stem from observability gaps and prompt brittleness rather than model capability, with Nvidia backing the ~140-company SAFE consortium for shared agent-failure reporting infrastructure.

    #9 · ai · scored 6/10

  10. AI development pace and regulation debate

    Anthropic's Dario Amodei and OpenAI's Sam Altman published plans to slow AI development, but critics and industry analysts say the proposals lack enforceable mechanisms amid competitive pressure and weak regulatory oversight.

    #10 · ai · scored 5/10