Caveman token compression earns an independent JetBrains benchmark: the free Claude Code skill saves 8.5% of output tokens on real agentic tasks — not the advertised 65%, which was measured on chat.
Visual Studio Code 1.129 adds a dedicated process for running AI agent sessions and an experimental docked editor for reviewing agent-generated changes.
OpenAI Codex multi-agent encryption now hides subagent instructions from local logs: Codex CLI 0.144.4 mandates encrypted ...