Browse GitHub Copilot News (210)

Waldek Mastykarz examines whether naming a workspace folder ‘eval’ changes GitHub Copilot CLI behavior. Across about 900 runs with four models, the name increased agents’ suspicion that they were being tested without producing statistically significant behavioral differences. The analysis explains the experiment’s controls, limitations, and practical guidance for evaluation harnesses.

nareshvenkat introduces Project Osmos, a data engineering agent for Microsoft Fabric that investigates datasets, executes PySpark, and validates results. Persistent, shared tasks retain project context while teams define operating boundaries, review evidence, and guide changes. Tasks can be initiated through GitHub Copilot CLI, Claude Code, or Codex.

LeeBenjamin introduces the generally available Govern experience in Microsoft Fabric’s OneLake catalog and the new Govern Skills collection. Together, they provide centralized estate insights, policy controls, and AI-assisted governance checks, with evidence-based recommendations and confirmation before sensitive changes through tools such as GitHub Copilot.

Satya Nadella outlines GitHub updates announced at Universe, including Copilot Fusion performance and cost claims, a unified Copilot harness in Foundry, and Copilot Projects for coordinating multiple agents across repositories. The post also notes plans to expand GitHub capacity and strengthen its architecture.

Jeff Hollan, Viswajeeet Balaji, and Anthony Chu introduce the Microsoft Copilot harness public preview in Foundry Agent Service and generally available resilience for hosted agents. They demonstrate reusable skills and declarative deployment, explain recovery responsibilities and preview limitations, and outline consumption-based runtime billing beginning December 1, 2026.

Jay Parikh outlines GitHub’s Universe 2026 announcements, including multi-repository Copilot projects, model orchestration, deeper code review, and enterprise access billed through AI credits. He also describes GitHub’s infrastructure expansion, redesigned Git architecture, and ongoing migration to a multi-region Azure deployment.

GitHub Staff examines the 2026 Octoverse findings on repository activity, agent-started pull requests, and changing model choices. The report connects growing use of coding agents with shifts in review workflows, GitHub Actions usage, and language participation, while explaining the telemetry’s limitations and announcing general availability of GitHub Copilot Fusion.

Allison announces the general availability of GitHub Copilot Fusion, which selects and orchestrates models for coding tasks. Developers choose between three effort levels, while administrators control eligible models and defaults. The announcement also covers supported clients, per-model billing, and a temporary discount for paid Copilot plans.

Allison introduces updates to the GitHub Copilot app, including Projects for coordinating work across repositories and connected tools, and computer use in public preview on macOS and Windows. The app can return pull requests for review, work with design context, and control desktop apps with user approval.

Allison outlines a new GitHub Enterprise licensing model that includes GitHub Copilot access for licensed users, with AI usage charged against an enterprise budget. The announcement explains which features remain available without budget, the $10 monthly standalone option, and initial availability for enterprises working with GitHub or Microsoft account teams.

Allison introduces the GitHub security extension, now in public preview for the GitHub Copilot app. Developers can browse code scanning alerts, ask Copilot to explain or fix them locally, and review changes before opening pull requests. The announcement also covers permissions, AI credit usage, and supported GitHub environments.

Allison introduces GitHub intelligence, a context layer combining persistent Copilot memories, opt-in dreaming, and cross-repository code search. Copilot Memory is generally available on paid plans, while dreaming enters public preview with controls for personal and repository context, pull-request review of instruction changes, and AI-credit costs.

Allison introduces shared Copilot Automations, which let teams maintain repository-owned AI workflows for bug reproduction, pull request screenshots, and incident investigation. The rollout adds shared visibility, editing permissions, repository-owner billing, and workflows that keep running when their creator leaves, with an administrator policy required for organization-owned repositories.

Allison announces general availability of repository plugin defaults and enterprise-managed plugin controls for GitHub Copilot. Maintainers can configure default plugins, while enterprise administrators can require or block plugins and restrict marketplaces. The controls work across VS Code, Copilot CLI, and the GitHub Copilot app, with managed settings overriding personal choices.

Allison outlines GitHub Copilot updates in VS Code, including cloud session continuity, persistent local and remote agents, and mobile controls. The releases also cover parallel model comparisons, experimental desktop interaction, custom clients through Agent Host Protocol, and preview marketplaces and connectors with enterprise policy controls.

Allison introduces image generation and editing in GitHub Copilot, powered by GPT Image 2.5 Flare. The public preview lets developers request images conversationally, preview them inline, and save them to their workspace. Image tokens are billed separately from chat, while administrators can disable the feature through model policies.

Allison announces an opt-in experimental preview of GitHub Copilot Fusion routing between supported local and cloud models. The update covers managed Windows setup and manually configured CLI models across Windows, macOS, and Linux, with important limits: routing still requires the cloud, and local models may offer different safety protections.

Allison announces general availability of GitHub Agentic Workflows, which compiles natural-language Markdown into GitHub Actions workflows powered by coding agents. The release adds runner support, model routing, and stronger isolation, with read-only defaults and validated outputs. The default GitHub Copilot CLI engine requires a Copilot license.

Hailey Victory reviews how VS Code has evolved since GitHub Universe 2025, covering parallel agent sessions, shared cloud workflows, multiple harnesses and models, and project customization. The overview explains how developers can coordinate agent work across tools while retaining control over editing, debugging, access policies, and reviewing changes.

Allison announces public preview support for server-to-server authentication in GitHub Copilot. GitHub Apps can use short-lived installation tokens to make SDK requests on behalf of an organization without user credentials. Usage is billed to the organization, with its model policies, budgets, spending controls, and app access controls applied.

Mark Downie outlines the October Visual Studio 2026 update, including comparisons between historical commits and working trees, bulk merge conflict resolution, and a refreshed GitHub Copilot Chat experience. The update also adds opt-in preservation of unsaved work, keyboard-based tab reordering, and searchable Fonts and Colors settings with inline previews.

Allison announces general availability of assisted permissions in GitHub Copilot CLI, GitHub Copilot app, and Visual Studio Code. A language model evaluates command, file-path, and URL requests, automatically allowing those classified as clearly safe. Enterprise administrators can control available permission modes and set defaults for new sessions.

Allison announces GPT-6.1 Terra’s general availability in GitHub Copilot for everyday agentic coding and terminal tasks. The model uses provider list pricing under usage-based billing, with gradual rollout across supported clients. Business and Enterprise administrators can control access through model policies and default enablement settings.

Cynthia Zanoni and Pooja Yarabothu explain how Microsoft’s PostgreSQL extension brings database exploration, SQL editing, and troubleshooting into VS Code. They show how GitHub Copilot can help interpret schemas and query plans, while emphasizing result verification and careful review of performance recommendations before making changes.

Ben Steenhoek and Ulugbek Abdullaev explain how configurable eagerness lets paid GitHub Copilot subscribers adjust inline suggestions in VS Code. They describe the low, medium, and high modes, the training approach behind them, reward-hacking mitigations, and experimental results showing how suggestion frequency and size change.

Allison announces an update to the GitHub Copilot usage metrics API that adds a new totals_by_client breakdown, letting enterprises and organizations see request, session, and token usage coming from tools outside the IDE (like OpenCode, Copilot CLI, VS Code, and JetBrains).

Allison announces an updated GitHub app for Microsoft Teams that combines GitHub notifications with GitHub Copilot-powered actions, letting teams respond to issue and pull request updates by mentioning @GitHub to investigate, fix bugs, run tests, and open pull requests from within Teams.

Microsoft Security Research, Mahesh Mandava, Srinivasan Govindarajan, Sagar Patil and Suriyaraj Natarajan break down the LiteLLM 1.107.0 supply-chain compromise, showing how Python startup hooks enabled credential theft without importing LiteLLM, what data was targeted, and how to investigate and recover using Microsoft Defender detections and hunting queries.

Allison summarizes the September 2026 update for GitHub Copilot in Visual Studio 2026, including PR exploration via the Git agent, preview BYOM support (with a breaking change to the new Agent harness), and a new flow to fix NuGet Audit vulnerabilities directly from the Error List.

Allison announces an update to the Copilot usage metrics API that reports configured names for custom skills, custom agents, MCP servers, slash commands, and plugins (instead of grouping them as “other/custom”), making it easier for admins to track adoption and usage trends across an organization.

Allison announces general availability of a global default policy for GitHub Copilot features on Copilot Business and Copilot Enterprise, explaining how unconfigured settings will be enforced during the rollout and where admins can review and override defaults.

Allison announces a new “Industry comparison” view in the GitHub Copilot impact dashboard, letting opted-in enterprises benchmark agentic adoption and leverage against aggregated peer data, with controls for policy-based participation, daily refresh, and data residency boundaries.

QixiaoWang introduces the Fabric Notebook Toolkit (FNTK) preview, a CLI that lets coding agents interact with live Microsoft Fabric notebooks—reading and editing cells, running code, and pulling outputs and Spark diagnostics—so iterative debugging and validation can happen directly from an agent-driven terminal workflow.

Julien Dubois shares practical stories from three Java Champions using GitHub Copilot in real projects, focusing on agentic workflows, verification gates, and staying accountable for what ships—from large content migrations to debugging tricky concurrency issues on Raspberry Pi.

Waldek Mastykarz tests whether swapping a real GitHub repo for a local bare git remote changes AI coding agent behavior during evals, focusing on a rebase scenario where the agent must decide whether to push without being asked.

Allison announces generally available REST API endpoints for retrieving and updating GitHub Copilot model policies across enterprises, organizations, teams, and enterprise apps, making it easier to centrally control which Copilot models are available at each scope.

Allison announces that several AI models have been deprecated across GitHub Copilot experiences as of October 19, 2026, and lists the supported replacement models. The post also calls out what Copilot Enterprise admins may need to change in model policies so alternatives show up in Copilot Chat.

Kayla Cinnamon explains how to move an existing GitHub Copilot app agent session into VS Code so you can review the diff, keep the full conversation context, make manual edits, run tests locally, and push updates back to the same pull request.

Gerald Versluis explains why existing .NET MAUI apps can crash right after the splash screen when built with Xcode 27, and walks through migrating to UIKit’s scene lifecycle—either manually or by using the .NET MAUI CLI “maui-xcode27-migration” agent skill with GitHub Copilot CLI.

Bruno Capuano shows how to use Bring Your Own Model (BYOK) with the GitHub Copilot SDK in a small .NET 10 console app, routing inference to Microsoft Foundry or Azure OpenAI while keeping the Copilot runtime. The walkthrough covers ProviderConfig, endpoint normalization, and Entra ID vs API-key authentication.