Claude Code 2.1.319 moves MCP task tool calls to the background, adds permissions.denyInsteadOfPrompting so unattended tools can fail instead of waiting, and changes auto-mode behavior when server checks are unavailable. It also adds gateway spend, pooled-budget, JSON-log and policy warnings.
Why it matters: The release changes how unattended work progresses and fails: background tasks reduce blocking, while hard denial and a nonzero headless exit when safety checks are unavailable make policy failure visible to automation.
DeepSeek Harness 0.2.2 rc1 is the first release candidate in the series. It consolidates the alpha line with responsive phone and tablet layouts, searchable worktree and pull-request review, experimental local delegation to Codex or Claude CLI, richer trajectory statistics, plugin rollback and more explicit draft, upload and WebSocket recovery behavior.
Why it matters: The release candidate makes the review and local-subagent paths easier to evaluate as one build, while plugin rollback and send-state handling improve recoverability. Experimental delegation still crosses into separately installed local CLIs and worktrees,…