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Gemini 4 Argon is generally available in GitHub Copilot for Pro+ and up

Gemini 4 Argon is now GA in GitHub Copilot for Pro+, Max, Business, and Enterprise across VS Code, Visual Studio, Copilot CLI, the coding agent, JetBrains, Xcode, and Eclipse, billed at provider list pricing under usage-based billing. Rollout is gradual; Business/Enterprise admins can gate it via the Copilot model policy.

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Codex CLI now leaves a self-updating background daemon running by default; here's the opt-out

Since 0.157.0, opening codex starts codex app server managed daemon , copies a 374MB package into /.codex/packages , and runs an hourly updater that outlives your terminal; the opt in request hit the HN front page and OpenAI hasn't changed the default yet. To turn it off, run codex features disable daemon auto start , then codex app server daemon stop and pkill f 'app server daemon pid update loop' , since stop leaves the updater running…

GitHub (openai/codex)

Anthropic replaces Git with Scion after Claude-driven merges hit 30k/day

Daily monorepo merges rose from 2,500 in May to over 30,000 by September as Claude scaled agent work, so a seven person team built Scion—an online, server centric VCS—and migrated off Git in five months alongside Antique code review. CI/research checkouts are about 100× faster and source control CPU/memory about 200× smaller; Scion is internal only and not pitched as a general Git replacement…

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