HISTORY OF DEV

November 11, 2025

.NET 10 LTS released

MicrosoftThe software giant behind Windows, Office, Azure, and Xbox — founded by Bill Gates and Paul Allen. shipped .NET 10 on November 11, 2025 — an LTSLong-term support — a release branch maintained with security fixes for years, common in Linux and Node. release with AI building blocks, performance gains, and C# 14 through November 2028 support.

What it was for

.NET.NET 10 added MicrosoftThe software giant behind Windows, Office, Azure, and Xbox — founded by Bill Gates and Paul Allen..Extensions.AI abstractions for unified chat clients across OpenAIAn AI research company — created GPT, ChatGPT, DALL-E, and the o-series reasoning models., AzureMicrosoft's cloud platform — virtual machines, storage, databases, and managed application services., and Ollama — signaling .NET's bet on agenticAI systems that plan and execute multi-step tasks autonomously — tools, browsing, and sub-agents. apps. As the even-year LTSLong-term support — a release branch maintained with security fixes for years, common in Linux and Node. after .NET 9 STS, it became the recommended production baseline for enterprises needing three years of patches.

Companies

  • Microsoft

Why it's here

.NET 10 paired LTSLong-term support — a release branch maintained with security fixes for years, common in Linux and Node. stability with first-class AI service abstractions.

Why it mattered

IChatClient and vector data APIs made multi-provider AI a platform primitive.

What it solved

TeamsMicrosoft Teams — chat, video calls, and Office integration for workplace collaboration. on .NET 8 LTSLong-term support — a release branch maintained with security fixes for years, common in Linux and Node. needed modern AI APIs without jumping to short-term STS releases.

Media

  • .NET
    Image.NET

    Microsoft, Public domain, via Wikimedia Commons

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