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[ca] Update CLI versions: Claude Code 2.0.72, Copilot 0.0.370, Codex 0.74.0, GitHub MCP Server v0.26.1 #6888

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[ca] Update CLI versions: Claude Code 2.0.72, Copilot 0.0.370, Codex 0.74.0, GitHub MCP Server v0.26.1#6888
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ai-inspectedautomationdependenciesPull requests that update a dependency file
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Description

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opened on Dec 18, 2025

This update includes version bumps for four CLI tools and MCP servers with various enhancements, bug fixes, and new features.

Claude Code: 2.0.71 → 2.0.72

Release Timeline: 2025-12-17 21:21:00 UTC (24 hours after 2.0.71)

Breaking Changes: None

New Features: Not specified in release notes

Bug Fixes: Not specified in release notes

Security: None detected

CLI Discovery: No changes detected in help output between versions

Impact: Risk Low - No observable changes in CLI behavior or flags

Migration: No - Backward compatible upgrade

Package Links:

Copilot CLI: 0.0.369 → 0.0.370

Release Timeline: 2025-12-18 14:48:31 UTC (7 days after 0.0.369)

Breaking Changes: None

New Features:

  • Enhanced tool permission control with clearer flag descriptions
  • New --available-tools flag to specify which tools are available to the model
  • New --excluded-tools flag to prevent specific tools from being available
  • New --no-auto-update flag to disable automatic CLI updates
  • New --plain-diff flag to disable rich diff rendering and use git-configured diff tool

Bug Fixes: Not specified

Security: None detected

CLI Discovery: 6 new/modified command-line flags detected:

  1. Modified --allow-tool: Now described as "Tools the CLI has permission to use; will not prompt for permission" (previously "Allow specific tools")
  2. New --available-tools: "Only these tools will be available to the model"
  3. Modified --deny-tool: Now described as "Tools the CLI does not have permission to use; will not prompt for permission" (previously "Deny specific tools, takes precedence over --allow-tool or --allow-all-tools")
  4. New --excluded-tools: "These tools will not be available to the model"
  5. New --no-auto-update: "Disable downloading CLI update automatically"
  6. New --plain-diff: "Disable rich diff rendering (syntax highlighting via diff tool specified by git config)"

Impact: Risk Medium - Significant changes to tool permission model and new feature flags. The distinction between --allow-tool/--deny-tool (permission control) and --available-tools/--excluded-tools (model availability) suggests architectural changes.

Migration: No - All changes are backward compatible additions

Package Links:

Codex: 0.73.0 → 0.74.0

Release Timeline: 2025-12-18 18:09:58 UTC (3 days after 0.73.0)

Breaking Changes: None detected

New Features:

  • gpt-5.2-codex model: Latest frontier model with improvements across knowledge, reasoning, and coding
  • New /experimental command: For trying out experimental features
  • Model picker: New feature for selecting models
  • Config improvements: ConfigBuilder pattern introduced
  • Beta features: Infrastructure for beta feature flags
  • Skills support: SYSTEM skills and improved skill loading
  • MCP improvements: Non-blocking MCP server status checks
  • SDK enhancement: xhigh reasoning effort support in TypeScript SDK

Bug Fixes:

  • Ghost snapshot warning disable toggle
  • Session downgrade fixes
  • Skills directory cleanup
  • Parallel tool calls fixes
  • WSL mount point case sensitivity fixes
  • Flaky test fixes

Performance:

  • Non-blocking model list operations
  • Improved ACL read speed and reliability
  • Elevated sandbox setup optimizations

Security: None explicitly mentioned

CLI Discovery: No changes detected in help output

Impact: Risk Medium - Major feature release with 70+ PRs merged including new model, experimental features, and architectural refactors

Migration: No - Backward compatible upgrade

Release Highlights (from GitHub)

Key improvements in 0.74.0:

  • New gpt-5.2-codex frontier model - [Learn more]((redacted)
  • /experimental command for experimental features
  • Ghost snapshot warning toggle
  • UI polish (background terminals, picker cleanup)
  • Model picker improvements
  • Config system refactoring with ConfigBuilder
  • SYSTEM skills support
  • Non-blocking MCP operations
  • Windows binary packaging improvements
  • TUI event loop refactor

Merged PRs (from GitHub)

Significant changes (selected from 70+ PRs):

Package Links:

GitHub MCP Server: v0.25.0 → v0.26.1 (via v0.26.0)

Release Timeline:

  • v0.26.0: 2025-12-18 15:20:52 UTC
  • v0.26.1: 2025-12-18 18:54:15 UTC (hotfix 3 hours later)

Breaking Changes: None

New Features (v0.26.0):

  • Octicon Icons: MCP clients now display GitHub's Octicon icons alongside tools, resources, and prompts
  • Inventory Pattern Architecture: New internal architecture with builder, filtering, and per-request optimization
  • Feature Flag Support: Infrastructure for feature flag-based tool enablement via --features CLI flag or GITHUB_MCP_FEATURES environment variable
  • Consolidated Actions Toolsets: Better organization of GitHub Actions-related tools behind feature flags
  • Documentation: New Antigravity installation guide and tool renaming guide

Bug Fixes:

  • v0.26.0: Fixed create_or_update SHA-related failures; Path parameter now optional
  • v0.26.1: Fixed ring buffer panic; Omitted icon sizes field for backward compatibility with older MCP clients

Security: None detected

CLI Discovery: Feature flag support added

Impact: Risk Medium - Architectural changes with new Inventory pattern and feature flag infrastructure. v0.26.1 is a critical hotfix for regression affecting some clients.

Migration: No - Backward compatible with graceful fallback for older clients

Release Highlights (v0.26.0 from GitHub)

MCP clients that support icons now display GitHub's Octicon icons, making capabilities easier to identify. Internal improvements include:

  • Inventory pattern with builder and filtering
  • Feature flag infrastructure
  • Consolidated actions toolsets
  • Better observability with HTTP status tracking

Merged PRs (v0.26.0 from GitHub)

Merged PRs (v0.26.1 from GitHub)

Package Links:

Summary

All four updates have been applied:

  1. ✅ Updated pkg/constants/constants.go with new versions
  2. ✅ Ran make recompile successfully (116 workflow lock files updated)
  3. ✅ Verified git status shows expected changes

Testing Recommendations:

  • Copilot CLI: Test new tool permission flags (--available-tools, --excluded-tools) and auto-update behavior
  • Codex: Test new /experimental command and gpt-5.2-codex model
  • GitHub MCP Server: Verify icon display in supporting clients and test feature flag functionality

No updates required for:

  • Playwright MCP: 0.0.52 (current)
  • Playwright Browser: v1.57.0 (current)

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