Inside last week’s Dev Digest 205.
😔 The end of the curl bug bounty
📝 Agent Skills vs. Rules vs. Commands
💬 The best hidden ChatGPT features
📅 Weaponising calendar invites
🟪 CSS in 2026
🐍 Python numbers you should know
👨💻 The Github Copilot SDK
💻 Build browser extensions the easy way
📄 Linux inside a PDF
🤖 Fix your robots.txt or Google stops indexing
🤷♂️ Why we keep trying to replace developers
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