Daily Lobsters for 2026-09-15

The 12 highest-rated articles on Lobsters on September 15, 2026 which have not appeared on any previous Lobsters Daily are:

• Anecdotally, programmers dislike "reduce"
  

  programming
  

  Comments
• The contagion of fear
  

  vibecoding
  

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• Why is the x86 undefined instruction called ud2? Why 2?
  

  assembly historical
  

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• The case against JPEG XL
  

  compsci
  

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• Mergiraf: A syntax-aware git merge driver for a growing collection of programming languages and file formats
  

  programming vcs
  

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• Writing a Guix service from scratch, as a beginner
  

  nix
  

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• What blog posts influenced your thinking the most?
  

  ask practices
  

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• Purely Functional Operating Systems
  

  osdev programming
  

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• How can you not be romantic about UNIX domain sockets?
  

  c unix
  

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• I wish you the best in the Offline
  

  culture
  

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• Golang developers should try Odin
  

  programming
  

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• Can a regex match valid card numbers?
  

  compsci
  

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