Rulefiles digest

Claude Code v2.1.309, Copilot deprecations, global default

2026-10-26T00:00:00Z

In short

2026-10-19 Claude Code: Claude Code v2.1.304. Added a transcript line when a plugin that runs first skips one of your mod's hooks, naming the event and the plugin Claude Code releases
2026-10-19 GitHub Copilot: Copilot model policy API for enterprise, orgs, and teams. You can now use the REST API to retrieve and update Copilot model policies for enterprises, enterprise teams, agent apps, and organizations. GitHub changelog
2026-10-19 GitHub Copilot: GitHub Copilot models deprecated on October 19, 2026. As of today, October 19, 2026, we have deprecated the following models across most GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions). GitHub changelog
2026-10-20 Claude Code: Claude Code v2.1.305. Added sandbox.allowNestedUserNamespaces so sandboxed commands on Linux can create user namespaces (Chromium, rootless podman); this lets them get around the sandbox's file protections Claude Code releases
2026-10-21 Claude Code: Claude Code v2.1.306. Fixed claude -p inside cloud sessions reporting "Not logged in" when started without the session's environment variables Claude Code releases
2026-10-21 Claude Code: Claude Code v2.1.307. Added the claude_code.safety_event OpenTelemetry event for each tool call a permission rule, auto mode, a safety check, a hook or the sandbox stopped, prompted or sent back Claude Code releases
2026-10-22 Claude Code: Claude Code v2.1.308. Bug fixes and reliability improvements Claude Code releases
2026-10-22 Claude Code: Claude Code v2.1.309. Fixed sandboxed Bash commands on macOS and Linux running the shell's startup files outside the sandbox before each command Claude Code releases
2026-10-22 Codex: ChatGPT for iOS 1.2026.286. View and stop background commands from a new pill above the composer on supported remote hosts. Codex changelog
2026-10-22 GitHub Copilot: Custom skills, agents, and MCP servers in usage metrics API. Custom skills, agents, and MCP servers in usage metrics API GitHub changelog
2026-10-22 GitHub Copilot: GitHub Copilot in Visual Studio — September update. GitHub Copilot in Visual Studio — September update GitHub changelog
2026-10-22 GitHub Copilot: Global default for Copilot features generally available. Starting today, we’re gradually rolling out enforcement of the policy through October 26, so it may take effect at different times for different enterprises and organizations. GitHub changelog
2026-10-22 GitHub Copilot: Industry comparisons in the Copilot impact dashboard. The Copilot impact dashboard now includes an “Industry comparison” section. GitHub changelog
2026-10-23 Claude Code: Claude Code v2.1.310. Added the Monitor tool and plugin monitors on Bedrock, Vertex, and Foundry, and when telemetry or nonessential traffic is disabled; long foreground sleeps are now blocked there too Claude Code releases
2026-10-23 Codex: Codex 0.164.0. Save reusable prompts and slash commands in ten numbered /presets slots, with a keyboard menu for quick access. Codex release notes
2026-10-23 GitHub Copilot: Turn notifications into code with GitHub Copilot in Teams. The new GitHub app in Teams brings notifications and Copilot together, helping teams turn issues into fixes and ship code faster without leaving the conversation. GitHub changelog
2026-10-23 GitHub Copilot: Usage metrics API adds usage from tools like OpenCode. Usage metrics API adds usage from tools like OpenCode GitHub changelog

Digest for 12 to 18 October 2026

2026-10-19T00:00:00Z

2026-10-13 Cursor: Origin App Marketplace. Origin now integrates with over 20 apps for deployments, CI, code review, security, monitoring, and project management, from partners including Cloudflare, Linear, Sentry, and Socket Security. Cursor changelog
2026-10-16 Cursor: Cloud Agent Canvases and Environment Improvements. Cloud agents can now build interactive canvases as part of their work. Cursor changelog
2026-10-14 Claude Code: Claude Code v2.1.299. Added CLAUDE_CODE_DISABLE_FILE_MENTIONS environment variable: Claude gets the paths of @ file mentions to read with its file tools, not the files' contents Claude Code release notes
2026-10-14 Claude Code: Claude Code v2.1.300. Added cache_creation_5m_tokens and cache_creation_1h_tokens to the OpenTelemetry api_request event, splitting cache writes by lifetime Anthropic, Claude Code release notes
2026-10-15 Claude Code: Claude Code v2.1.301. Added the % motion to vim mode: jump to the matching bracket, alone or with d/c/y Claude Code release notes
2026-10-16 Claude Code: Claude Code v2.1.302. Added CLAUDE_CODE_AUTO_MODE_MODEL to choose the model the client-side auto mode classifier uses; it does not change the model for server-side auto mode Claude Code release notes
2026-10-18 Claude Code: Claude Code v2.1.303. Bug fixes and reliability improvements Claude Code release notes
2026-10-14 Codex: GPT-5.5 retirement in Codex. Effective October 14, 2026, at noon PDT (19:00 UTC), GPT-5.5 retires from Codex for users signed in with ChatGPT. OpenAI, Codex changelog
2026-10-15 Codex: Codex 0.163.0. Open /config to search preferences across categories, change supported settings immediately, and see which changes require a restart. Codex release notes
2026-10-13 GitHub Copilot: Gemini 4 Argon in GitHub Copilot. Gemini 4 Argon, Google’s newest frontier model, is now generally available in GitHub Copilot. GitHub changelog
2026-10-13 GitHub Copilot: Enterprise managed settings enforcement updates. Enterprise administrators can now require supported GitHub Copilot clients to retrieve current server-managed settings at startup instead of relying on a cached policy. GitHub changelog
2026-10-14 GitHub Copilot: HydraFusion updates and new Max option. HydraFusion has an updated model pool, improved orchestration workflows, and introduces HydraFusion Max. GitHub changelog
2026-10-15 GitHub Copilot: Upcoming deprecation of selected GitHub Copilot models in mid-November. We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions) on November 16th, 2026 GitHub changelog
2026-10-15 GitHub Copilot: Agentic autofix for code scanning alerts general availability. Agentic autofix is available to GitHub Code Security and GitHub Advanced Security customers on GitHub Enterprise Cloud, including GitHub Enterprise Cloud with data residency. GitHub changelog
2026-10-15 GitHub Copilot: Multi-repository support and other improvements for GitHub in Slack and Teams. @GitHub in Slack and Teams now supports working across multiple repositories in a single conversation. GitHub changelog

Digest for 5 to 11 October 2026

2026-10-16T00:00:00Z

2026-10-06 Cursor: Remote control for local agents. You can now see and reply to the local agents running on your computer from the Cursor iOS app. Cursor changelog
2026-10-06 Claude Code: Claude Code v2.1.292. Added an effort parameter to the Agent tool, so Claude runs a sub-agent at the effort level you ask for Claude Code release notes
2026-10-07 Claude Code: Claude Code v2.1.293. Added Claude Haiku 5.5 (claude-haiku-5-5), now the default Haiku model on the Anthropic API — 1M context, $0.10/$0.50 per Mtok ($0.50/$2.50 for prompts over 100K) Claude Code release notes
2026-10-08 Claude Code: Claude Code v2.1.294. Fixed prompt and agent hooks written as instructions (such as "Block commands that...") allowing what they should block Anthropic, Claude Code release notes
2026-10-08 Claude Code: Claude Code v2.1.295. Added onFailure: "block" for command and HTTP hooks: a hook that can't start, times out, or exits with an unexpected code blocks the action instead of letting it through Claude Code release notes
2026-10-09 Claude Code: Claude Code v2.1.296. Added an allow_large option to the Read tool so Claude can read a text file past the usual size limits in one call when it needs the whole file and the context has room Claude Code release notes
2026-10-07 Codex: Codex 0.161.0. GPT-6.1 Sol is now the default model in the bundled and Amazon Bedrock catalogs. Codex release notes
2026-10-08 Codex: Codex 0.162.0. Add tools for creating and listing managed Git worktrees from trusted local projects when the worktrees feature is enabled. Codex release notes
2026-10-08 Codex: GPT-6.1 Sol Ultrafast in Codex and ChatGPT Work. Ultrafast mode speeds up token generation with GPT-6.1 Sol in Codex and ChatGPT Work. Ultrafast is available on Pro $500 and eligible Enterprise and Edu plans. OpenAI, Codex changelog
2026-10-09 Codex: Codex 0.162.1. Fixed a TUI crash when asynchronous questions contain multiple lines, preserving line breaks and complete hyperlink destinations. Codex release notes
2026-10-07 GitHub Copilot: Claude Haiku 5.5 in GitHub Copilot. Claude Haiku 5.5, Anthropic’s newest lightweight model, is now generally available in GitHub Copilot. GitHub changelog
2026-10-08 GitHub Copilot: Copilot code review: New organization billing options and controls. This release adds new billing and license controls for Copilot code review admins GitHub changelog
2026-10-09 GitHub Copilot: GitHub Copilot weekly releases: October 5. Limit agents’ access to files, networks, and credentials with local sandboxing, now generally available in Copilot CLI, the Copilot app, and VS Code sessions using Agent Host. GitHub changelog
2026-10-10 GitHub Copilot: New controls and chat improvements in Copilot for JetBrains. This update brings more control over default models and MCP server in GitHub Copilot for JetBrains. GitHub changelog