Build 2025: Developer Tools and AI Integration

Build 2025 showcased major updates to developer tools with deep AI integration. Here’s the summary.

Visual Studio 2025 Updates

GitHub Copilot Workspace

Full agentic coding experience directly in VS.

# New Copilot Workspace capabilities:
- Multi-file refactoring with explanation
- Architecture suggestions based on codebase analysis
- Automated test generation for changes
- Pull request creation with documentation
- Security vulnerability detection and fixes

AI-Powered Debugging

// Copilot explains runtime state
// When hitting a breakpoint, Copilot automatically:
// 1. Analyzes variable values
// 2. Identifies potential issues
// 3. Suggests fixes

// Example Copilot insight:
// "The NullReferenceException occurs because 'customer'
//  is null when 'GetOrders()' is called. This happens
//  when the customer ID '12345' doesn't exist in the database.
//
//  Suggested fix: Add null check before calling GetOrders():
//  if (customer != null) { var orders = customer.GetOrders(); }"

VS Code AI Extensions

Copilot Chat Improvements

• Multi-model support (GPT-4o, Claude, Gemini)
• Project-aware context windows
• Inline diff application
• Voice commands

New AI Extensions

• Azure AI Extension Pack
• ML debugging tools
• Data science notebooks with AI

Dev Home AI Features

# Dev Home AI commands
devhome ai setup-project --template "microservices-dotnet"
devhome ai explain-error "error CS1061"
devhome ai suggest-architecture --requirements "requirements.md"
devhome ai generate-docs --project ./src

These tools transform the development experience with AI assistance at every step.