Anthropic

6/10/2026

Microsoft employees are facing restrictions on using Anthropic's new AI model, Claude Fable 5, internally. This move reportedly stems from fresh data retention policies implemented by Anthropic. While Microsoft quickly rolled out Claude Fable 5 to external customers via GitHub Copilot and Foundry, the model isn't available for its own staff using internal versions of GitHub Copilot.

Microsoft

6/25/2026

Explore how the GitHub Copilot agentic harness delivers strong results across multiple benchmarks and leading token efficiency, while maintaining flexibility to choose among more than 20 models. The post Evaluating performance and efficiency of the GitHub Copilot agentic harness across models and tasks appeared first on The GitHub Blog.

Microsoft

6/19/2026

Qubot, our internal Copilot-powered analytics agent, allows any GitHub employee to ask questions about our data in plain language. Here's what we learned as we built it. The post How we built an internal data analytics agent appeared first on The GitHub Blog.

Microsoft

1d

A new model drops with lower per-token pricing and better benchmarks. You switch. A week later someone asks why the agent is burning 12x more tokens on the same task while producing worse output. We ran 150 agent tasks across 15 scenarios on two models, Claude Sonnet 4.6 and Claude Sonnet 5, using GitHub Copilot The post Not all model upgrades are upgrades appeared first on Microsoft for Developers.

Microsoft

6/10/2026

Install and configure LSP servers for GitHub Copilot CLI, replacing brute-force grep/decompile with real code intelligence. The post Give GitHub Copilot CLI real code intelligence with language servers appeared first on The GitHub Blog.

Microsoft

6/17/2026

How GitHub Copilot is making more of each session go toward useful work, so your credits go further. The post Getting more from each token: How Copilot improves context handling and model routing appeared first on The GitHub Blog.

Microsoft

6/12/2026

Better orchestration, fewer handoffs, faster progress, without a single new knob. The post How we made GitHub Copilot CLI more selective about delegation appeared first on The GitHub Blog.

Microsoft

6/15/2026

GitHub Copilot CLI for Beginners: Learn how to use slash commands to control your terminal AI agent. The post GitHub Copilot CLI for Beginners: Overview of common slash commands appeared first on The GitHub Blog.

Microsoft

6/9/2026

Custom agents let GitHub Copilot CLI understand your stack and team workflows, turning one-off terminal prompts into repeatable, reviewable processes. The post From one-off prompts to workflows: How to use custom agents in GitHub Copilot CLI appeared first on The GitHub Blog.

Microsoft

6/18/2026

Two AI tools broke in the same way in the same two weeks, and four research teams proved it. The pattern underneath every disclosure is one sentence: enterprise AI accepts external input with no trust boundary. On June 15, Varonis disclosed SearchLeak (CVE-2026-42824), a proof-of-concept exfiltration chain in Microsoft 365 Copilot Enterprise Search. A victim clicks a crafted microsoft.com URL, Copilot searches their mailbox, and the data leaves through a Bing SSRF. No plugins, no second click, n...

Microsoft

6/16/2026

Microsoft is launching new Surface Laptops and a Surface Pro with Qualcomm Snapdragon X2 processors. These are direct follow-ups to the Surface Laptops and Surface Pro from 2024 that launched with Snapdragon X1 chips and jumpstarted Microsoft's Copilot Plus PC initiative with Windows on Arm. The new X2 Surfaces are available today. The Surface Pro 12th Edition convertible tablet comes in a 13-inch size with 10-core X2 Plus and 12-core X2 Elite chips, while the Surface Laptop 8th Edition is avail...