TypeScript 7.0 Beta: A Revolutionary Go-Based Foundation | Azure AI Foundry 2.0 Hits Stable

Published: April 26, 2026

Today's .NET ecosystem update brings two monumental releases that will shape how we build web applications and AI systems for years to come.

📝 TypeScript 7.0 Beta: 10x Speed with Go

Microsoft has just announced TypeScript 7.0 Beta, a landmark release built on a completely new Go-based foundation. After a year-long porting effort, the TypeScript team has successfully migrated the compiler from JavaScript to Go while preserving 100% semantic compatibility.

TypeScript 7.0 is often about 10 times faster than TypeScript 6.0

The performance gains come from native execution and shared-memory parallelism - parsing, type-checking, and emitting now run concurrently across files. Microsoft has validated this release against their entire test suite and it's already running in multi-million line codebases at companies like Bloomberg, Google, Figma, and Vercel.

"Don't let the 'beta' label fool you — you can probably start using this in your day-to-day work immediately."

Key highlights: -* 10x compilation speed improvement -* Rock-solid VS Code extension (TypeScript Native Preview) -* Side-by-side compatibility with TypeScript 6.0 via @typescript/typescript6 -* Production-ready for most workflows today

Get it now with npm install -D @typescript/native-preview@beta and run tsgo in place of tsc.

✨ Azure AI Foundry 2.0 Stable GA

In AI news, the Azure.AI.Projects SDK has reached stable 2.0.0 status after months in preview. This marks a significant milestone for .NET developers building AI agents and Foundry integrations.

The 2.0 release brings important architectural cleanups:

-* Namespace splits: Evaluations move to Azure.AI.Projects.Evaluation, memory to Azure.AI.Projects.Memory -* Renamed types for clarity: Insights → ProjectInsights, Schedules → ProjectSchedules -* Consistent Is* boolean naming conventions throughout

Beyond AI Foundry, the April 2026 Azure SDK release also includes:

-* Critical Cosmos DB Java security fix (CWE-502, RCE vulnerability) - update to 4.79.0 immediately -* New Provisioning libraries for .NET (Network and Private DNS hit 1.0.0) -* Azure AI Agents Java 2.0.0 GA with improved flexibility

These SDKs are essential for anyone doing infrastructure-as-code in C# or building distributed AI systems on Azure.

📣 Other Notable Mentions

-* .NET 10.0.7 security update (CVE-2026-40372) - Elevation of Privilege fix in ASP.NET Core Data Protection [critical] -* GitHub Copilot now integrates with azd for AI-powered project scaffolding and error troubleshooting -* Foundry Agent Service GA with hosted agents, private networking, and production readiness -* VS Code 1.118 brings Copilot CLI session names, model badges, and TypeScript 7.0 nightly opt-in

Stay tuned for more .NET updates as the ecosystem continues to evolve at breakneck speed.

Share Your Thoughts

Which of these updates excites you the most? Are you planning to adopt TypeScript 7.0 or Azure AI Foundry 2.0 in your projects? Let us know in the comments below!

#dotnet # typescript # azure # ai # foundry