Five pieces worth your time this week. Jason Willems argues the tech monoculture is cracking. Milan Milanović puts a hard ceiling on deep coding work: 4 hours per day, and explains the cognitive science behind it. Addy Osmani names the hidden cost of AI-assisted coding as comprehension debt, the gap between code you ship and code you understand.
Two more: Tailscale co-founder Avery Pennarun wrote a downtime post-mortem that is being cited as a model for how to apologize without deflecting. Don Ho, creator of Notepad++, delivers bad news about the project. What kind of bad news is deliberately left vague here, which is exactly why you should read the original.
The Changelog's Jerod Santo curated this edition. The monoculture argument and the comprehension debt framing are the two threads worth pulling hardest. If you are building with AI tools or making infrastructure decisions right now, both will reframe how you think about the work.
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