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25 Oct 2026 · 2 sourced briefs
01CodingAnthropic updated Claude Code to v2.1.309, closing sandbox path and shell startup escapes, propagating tool restrictions across split-pane agent teammates, and tightening command permission checks.
Read the brief ↗Source: Anthropic 02ToolsMicrosoft released python-1.23.0 of its Agent Framework, introducing a breaking migration to Model Context Protocol 2.x foundations, explicit registration scopes for AG-UI endpoints, and tighter execution constraints across shell tools.
Read the brief ↗Source: Microsoft Individual briefs list the original source dates. Prepared with AI assistance and reviewed before publication.
