NewsXcode 26.3 Agentic Coding with Claude Agent and OpenAI CodexApple Newsroom·high signalXBlueskyLinkedInCopy linkApple ships agentic coding in Xcode with Claude Agent and Codex, exposes capabilities via MCP protocolSourceSource pageApple Newsroom↳ Follow the threadStack layer / Threat patternClaude Code 2.1.269 Ships a Plugin Eval Runner and a Knob to Raise the Workflow Tool's Concurrent Agent Cap to 256Anthropic (claude-code CHANGELOG)Stack layer / Threat patternSalesforce frames its agent stack as an 'Enterprise AI Harness' with a separate AI Control PlaneSalesforcePolicy dependency / Stack layerHolding Back Ready Agent Turns Instead of Releasing Them Eagerly Cuts P95 Workflow Latency up to 3.50xarXiv 2609.10964Policy dependency / Stack layerSenate Negotiators Weigh a 'Duty of Care' Law Letting Federal Courts Block Unsafe Model Releases and Preempting State AI LawsReutersStack layer / Threat patternGreyNoise Traced One Attacker Running OpenAI's Codex Harness With a DeepSeek Model Through 395 Organizations in 48 CountriesHelp Net SecurityStack layer / Threat patternResearchers Say Coding-Agent Sandboxes Leak in Claude Code, Codex and Cursor, and Anthropic Took 50 Days to PatchUpstarts MediaPolicy dependency / Stack layerClaude Code's agent view adds a peek panel so you can answer a blocked session without leaving the listClaude Code DocsStack layer / Threat patternClaude Code 2.1.269 fixes plugin archives being extracted world-readable on shared machinesClaude Code Changelog