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kept by eddie dec 19, 25

Microsoft is deprecating its free, local IntelliCode AI code completion extensions in VS Code and pushing developers toward subscription-based GitHub Copilot with usage caps.

Use subagents and custom agents in Codex
OpenAI Codex launched subagents in GA, enabling custom agents via TOML, and catalogues identical features across six other coding platforms.
also on Visual Studio Code, #ai-coding, #developer-tools
GitHub Outages Show the Limits of Reactive Scaling — Rahmi Pruitt
GitHub’s eight‑hour outage shows that reactive scaling fails when hidden concurrency limits are hit and client retries amplify demand, proving that agents need proactive traffic pacing.
also on Visual Studio Code, #developer-tools
How to write a great agents.md: Lessons from over 2,500 repositories - The GitHub Blog
Analyzing 2,500+ agents.md files reveals that effective agent definitions require specific personas, executable commands, code examples, and clear boundaries.
also on #ide, GitHub Copilot, #ai-coding, #developer-tools
IntelliJ IDEA Goes LSP: Java and Kotlin Intelligence Comes to VS Code, Cursor, and Agentic Flows - The JetBrains Blog
JetBrains released a preview extension bringing IntelliJ IDEA's Java and Kotlin intelligence to VS Code and Cursor via LSP, with free 30-day trials.
also on #ide, #ai-coding, #developer-tools
GitHub's plan for Agents — Kyle Daigle, GitHub
GitHub COO Kyle Daigle discusses how AI agents caused platform activity to surge 1400% in 2026, straining infrastructure and forcing GitHub to rethink open-source social contracts and reliability.
also on GitHub Copilot, Microsoft, #ai-coding, #developer-tools