GitHub Copilot changelog

Nov 10, 2026New model

Gemini 4 Carbon is now available in GitHub Copilot

Google's latest Gemini 4 Carbon model is now generally available in GitHub Copilot for complex coding, agentic, and reasoning tasks.

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Nov 9, 2026New model

New model available in GitHub Copilot

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Nov 6, 2026Improvement

GitHub Copilot in Slack and Teams is now GA

GitHub Copilot integration for Slack and Teams is now generally available, allowing users to investigate bugs, create issues, and open pull requests directly from conversations.

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Nov 4, 2026Improvement

GitHub Copilot is now available in Xcode's coding assistant

GitHub Copilot integration with Xcode's built-in coding assistant is now available in public preview, allowing developers to use Copilot natively within Xcode.

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Oct 29, 2026Improvement

GitHub Copilot repository plugin defaults and enterprise controls are generally available

GitHub Copilot now offers repository plugin defaults and enterprise‑managed plugin controls in VS Code, Copilot CLI and the Copilot app, letting trusted repositories install and enable default plugins. This feature is generally available to all users.

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Oct 28, 2026Improvement

Build shared workflows with Copilot Automations

GitHub Copilot introduces shared Copilot Automations, letting teams create AI‑powered workflows by combining prompts, triggers, and tools.

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Oct 28, 2026New model

GitHub Copilot Fusion launches

GitHub Copilot Fusion is now generally available, letting Copilot automatically route and orchestrate multiple models for tasks.

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Oct 28, 2026Improvement

GitHub Enterprise now includes Copilot

GitHub Enterprise now bundles Copilot for every licensed user, removing separate seat fees; AI usage is metered against the enterprise budget with no monthly AI credits included.

DetailsOfficial source

Oct 26, 2026New model

GPT-6.1 Terra Available in GitHub Copilot

OpenAI's newest model, GPT-6.1 Terra, is now generally available in GitHub Copilot, designed for everyday agentic coding and terminal work at a lower cost than GPT-6.1 Sol.

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Oct 21, 2026Improvement

GitHub Moves 99.99999% of Git Repos to Azure

GitHub moved 99.99999% of its Git repos to Azure, adding a new write path for the busiest repos and enabling stateless Azure Blob Storage replicas.

DetailsOfficial source

Oct 19, 2026Discontinued

GitHub Copilot models deprecated on Oct 19, 2026

Effective October 19, 2026, GitHub Copilot has deprecated several models across all Copilot experiences, including Copilot Chat, inline edits, ask, agent modes, and code completions.

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Oct 16, 2026Improvement

GitHub Copilot moves to CSS Modules

GitHub Copilot has fully moved off CSS-in-JS to CSS Modules, resulting in 55% less server-side render time and 25% faster component init.

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Oct 15, 2026Discontinued

GitHub Copilot models deprecated on Nov 16, 2026

GitHub Copilot will deprecate selected models across all experiences on November 16, 2026.

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Oct 14, 2026Improvement

GitHub Copilot introduces new repo star history API

GitHub Copilot shaped its new repo star history API around production evidence and maintainer feedback, providing trends without returning individual identities.

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Oct 13, 2026New model

Gemini 4 Argon now in GitHub Copilot

Google’s Gemini 4 Argon model is now generally available in GitHub Copilot for all users.

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Oct 7, 2026New model

Claude Haiku 5.5 in GitHub Copilot

Anthropic's Claude Haiku 5.5 is now generally available in GitHub Copilot for fast, high-volume tasks like subagents and quick edits.

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Oct 2, 2026Discontinued

Copilot deprecates Gemini 3.5/3.6, Kimi K2.7, Claude Opus 4.7

As of October 2, 2026, GitHub Copilot has deprecated Gemini 3.5 Flash, Gemini 3.6 Flash, Kimi K2.7 Code, and Claude Opus 4.7 across all experiences. Users should switch to supported models such as Gemini 3.8 Flash, Kimi K3, and Claude Opus 5.5.

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Sep 29, 2026New model

GPT-6.1 Sol is now available in GitHub Copilot

GPT-6.1 Sol is generally available in GitHub Copilot for Copilot Pro+, Max, Business and Enterprise users, billed at provider list pricing under usage-based billing.

DetailsOfficial source