A practical introduction to modern AI for .NET developers. The post Generative AI with Large Language Models in C# in 2026 appeared first on .NET Blog.

I always enjoy the quiet stretch between Christmas and New Year’s. It’s one of the few moments in the year when things slow down just enough to reflect on what actually resonated. While many of us were unplugging, our digital team was doing the opposite, editing and publishing 20 sessions from VS Live! Orlando to […] The post Welcome to 2026, A Growth Year for All of Us appeared first on Visual Studio Blog.

I'm hoping the good folls of this community can help me figure out what's going on with a Windows Forms user control that I created and am trying to use. I created a user control that represents a single band of a parametric equalizer. In the designer, the control looks like this: When I debug the control in the Test Container, things look good: If we take a look at the actual PEQ application that will use the control, things still look OK in the designer: It's only when I fire up the application that things go... awry: What happened to all the TextBoxes? And the ComboBoxes? I''ve got a feeling that the fix for this is something really simple, and I'm going to feel like a complete idiot for not figuring out the obvious. Can anyone tell me what my dumb self did wrong?

Reduced costs for GitHub-hosted runners are now in effect. We announced this update on December 16, 2025. GitHub users will see price reductions of up to 39% for GitHub-hosted runners,… The post Reduced pricing for GitHub-hosted runners usage appeared first on The GitHub Blog.

Let's take a look back at the amazing .NET videos, events, and live streams from 2025! The post Top .NET Videos & Live Streams of 2025 appeared first on .NET Blog.

Let's look back at the most-read .NET blog posts published in 2025, from .NET 10 to AI, performance, and developer tooling. The post Top .NET Blog Posts of 2025 appeared first on .NET Blog.

Explore the GitHub Blog’s top posts covering the biggest software development topics of the year. The post Agentic AI, MCP, and spec-driven development: Top blog posts of 2025 appeared first on The GitHub Blog.

Learn why some long-enrolled OSS-Fuzz projects still contain vulnerabilities and how you can find them. The post Bugs that survive the heat of continuous fuzzing appeared first on The GitHub Blog.

An easy-to-remember acronym, WRAP will help you write effective issues, refine your instructions, and get the most out of Copilot coding agent. The post WRAP up your backlog with GitHub Copilot coding agent appeared first on The GitHub Blog.

Security advice for users and maintainers to help reduce the impact of the next supply chain malware attack. The post Strengthening supply chain security: Preparing for the next malware campaign appeared first on The GitHub Blog.

Looking ahead to the New Year? These GitHub Podcast episodes help you cut through the noise and build with more confidence across AI, open source, and developer tools. The post 5 podcast episodes to help you build with confidence in 2026 appeared first on The GitHub Blog.

From Appwrite to Zulip, Universe 2025’s Open Source Zone was stacked with standout projects showing just how far open source can go. Meet the maintainers—and if you want to join them in 2026, you can now apply for next year’s cohort. The post This year’s most influential open source projects appeared first on The GitHub Blog.

GitHub Actions workflow pages now successfully render workflows with more than 300 jobs. We’ve implemented lazy loading to smoothly handle large workflows. In addition, you can now filter jobs based… The post Improved performance for GitHub Actions workflows page appeared first on The GitHub Blog.

OpenAI is strengthening ChatGPT Atlas against prompt injection attacks using automated red teaming trained with reinforcement learning. This proactive discover-and-patch loop helps identify novel exploits early and harden the browser agent’s defenses as AI becomes more agentic.

More than one million customers around the world now use OpenAI to empower their teams and unlock new opportunities. This post highlights how companies like PayPal, Virgin Atlantic, BBVA, Cisco, Moderna, and Canva are transforming the way work gets done with AI.

Organizations now have more granular control over who can request GitHub Apps and OAuth apps. This enhancement helps you implement stricter governance policies while maintaining flexibility for your security posture.… The post Control who can request apps for your organization now in public preview appeared first on The GitHub Blog.

I struggled to get started. For ages, I kept putting off building this website, creating a new programming language for Visual Studio, and coming up with fresh color themes. Each project looked overwhelming, and I couldn’t find the time or motivation to jump in. It all just felt like too much at once. But when […] The post How AI fixed my procrastination appeared first on Visual Studio Blog.

This post announces the December release of the Azure Developer CLI (`azd`). The post Azure Developer CLI (azd) Dec 2025 – Extensions Enhancements, Foundry Rebranding, and Azure Pipelines Improvements appeared first on Azure SDK Blog.

Delegated alert dismissal allows you to require a review process before Dependabot alerts are closed. This feature is available to GitHub Code Security customers and can be used in both… The post You can now require reviews before closing Dependabot alerts with delegated alert dismissal appeared first on The GitHub Blog.

Copilot Memory is now available in early access for GitHub Copilot Pro and Pro+ users, with support in Copilot Coding Agent and Copilot Code Review. Copilot Memory Copilot Memory enables… The post Copilot Memory early access for Pro and Pro+ appeared first on The GitHub Blog.

OpenAI introduces a new framework and evaluation suite for chain-of-thought monitorability, covering 13 evaluations across 24 environments. Our findings show that monitoring a model’s internal reasoning is far more effective than monitoring outputs alone, offering a promising path toward scalable control as AI systems grow more capable.

CodeQL is the static analysis engine behind GitHub’s Code Scanning and Code Quality products, which find and remediate issues relating to code quality and security. We’ve recently released CodeQL 2.23.7… The post CodeQL 2.23.7 and 2.23.8 add security queries for Go and Rust appeared first on The GitHub Blog.

Claude Opus 4.5 is generally available to Copilot Enterprise, Copilot Business, Copilot Pro, and Copilot Pro+. You’ll now be able to access the model in GitHub Copilot Chat on github.com,… The post Claude Opus 4.5 is now generally available in GitHub Copilot appeared first on The GitHub Blog.

Organizations leading in AI make it foundational. They rethink processes and integrate new technologies from the start to improve efficiency. The post Azure updates for partners: December 2025 appeared first on Microsoft Azure Blog.

OpenAI shares new AI literacy resources to help teens and parents use ChatGPT thoughtfully, safely, and with confidence. The guides include expert-vetted tips for responsible use, critical thinking, healthy boundaries, and supporting teens through emotional or sensitive topics.