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  1. The recently proposed o(n log n) integer multiplication algorithm [pdf]

    https://web.maths.unsw.edu.au/~davidharvey/research/subnlogn.pdf
  2. There isn't an easy exploit for this PHP vulnerability

    https://eliastaylor.com/noexploit/
  3. WorldTUI: I trained a 360M model to pretend to be a terminal

    https://simedw.com/2026/10/21/world-model-terminal/
  4. OpenAI CLI

    https://github.com/openai/openai-cli
  5. Compromised LiteLLM 1.107.0 on PyPI Installs a Credential Stealer and Backdoor

    https://safedep.io/litellm-pypi-compromise-credential-stealer-backdoor/
  6. Using LLM for confidence scoring is a bad idea

    https://rumple.github.io/blog/2026/10/20/asking-llm-for-confidence.html
  7. No more icons in every menu by default

    https://blog.jim-nielsen.com/2026/icons-in-every-menu/
  8. Meta ordered to pay $25B penalty in New Mexico Cambridge Analytica case

    https://www.cnbc.com/2026/10/21/meta-new-mexico-cambridge-analytica-penalty.html
  9. PingCap TiDB Leaks

    https://fulcrumsec.vg/pingcap/
  10. Beyond the &

    https://lwn.net/Articles/1096028/
  11. Tiny possum and glider thought extinct for 6000 years found in remote West Papua

    https://www.bbc.com/news/articles/cp814l80pw2o
  12. Show HN: Omnara – Open-source alternative to Claude Managed Agents

    https://github.com/omnara-ai/omnara
  13. OpenAI models are coming to Google Cloud

    https://openai.com/index/openai-models-google-cloud/
  14. Today's PHP security release, and how we're strengthening security

    https://thephp.foundation/blog/2026/10/21/todays-php-security-release-and-how-were-strengthening-php-security/
  15. DuckDB 2.0.0 LTS “Cinnamon Teal”

    https://duckdb.org/2026/10/21/announcing-duckdb-200
  16. Clockwork Mechanics, Maintenance, and Metaphors in the Late Middle Ages

    https://www.jhiblog.org/2026/10/19/clockwork-metaphors/
  17. Patch the Planet: global response coordination as agents uncover vulnerabilities

    https://openai.com/index/coordinated-disclosure-of-critical-vulnerabilities/
  18. Oregon lawmakers approve money to buy an iconic waterfall listed on Redfin

    https://apnews.com/article/oregon-waterfall-for-sale-lawmakers-996de63462d49ec3ad9bee1629fb9488
  19. Launch HN: Alter (YC S25) – Access control for multi-user agents

    https://alterauth.com/
  20. Eight Bits of Trust: eMudhra's CA keys cracked in milliseconds

    https://scotthelme.co.uk/eight-bits-of-trust-emudhras-ca-keys-cracked-in-milliseconds/