When using immutable collections in .NET, remember that the Add() method creates a new instance rather than mutating the original. Ignoring the return value leads to ineffective loops. Instead, use a builder for efficiency, as it offers faster performance and lower memory allocation while still ensuring immutability in …

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Welcome to another issue of Dev Leader Weekly! In this issue, I discuss balancing time coding as a senior software engineer. Link to article: https://www.devleader.ca/2025/12/06/senior-engineers-spend-less-time-coding-dev-leader-weekly-118

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Check out this week from Dev Leader! Here's a list including articles and videos on software engineering, career development, and programming in C#! Link to article: https://www.devleader.ca/2025/12/06/weekly-recap-20251205

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Learn how to safely parallelize EF Core queries to improve performance by using IDbContextFactory to create isolated contexts, avoiding the thread-safety exceptions caused by sharing a single DbContext instance. Link to article: …

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2025 was a year of incredible progress for AI and our industry as a whole. At Microsoft and GitHub, we've innovated beyond isolated chats and prompts to building systems that collaborate with connected workflows and operational intelligence. This shift can be seen across the stack, from Microsoft Foundry, to GitHub …

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As agents become capable enough to write and refactor code, they should work natively inside the environments developers work in: editors. That’s why JetBrains and Zed are co-developing ACP, the Agent Client Protocol. ACP gives agents and editors a shared language, so any agent can read context, take actions, and …

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A customer wanted to know how their C# program could read its own standard output. They tried this: // Get my process Process p = Process.GetCurrentProcess(); // Make sure my standard output is not redirected p.StartInfo.UseShellExecute = false; p.StartInfo.RedirectStandardOutput = false; // Now read it -- fails string …

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At Docker, we are committed to making the AI development experience as seamless as possible. Today, we are thrilled to announce two major updates that bring state-of-the-art performance and frontier-class models directly to your fingertips: the immediate availability of Mistral AI’s Ministral 3 and DeepSeek-V3.2, …

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Hey! Here at JetBrains, we’re always happy to bring our users the best and most popular tools available on the market. This has been true for decades with conventional dev tooling: compilers, debuggers, build tools, etc; in the past several years, we’ve shipped all the newest LLMs in the same manner, and we want the …

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As the last step on our way toward the final release, the Release Candidate for MPS 2025.3 is now available for you to download! DOWNLOAD MPS 2025.3 RC 1 To find out what features to expect in this release, check out the earlier updates from the EAP 1 and EAP 2 builds. The full list […] Link to article: …

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This article was brought to you by Rajkumar Venkatasamy, draft.dev. Jenkins is still one of the most popular tools for continuous integration and delivery (CI/CD). People love it for its flexibility, vast plugin ecosystem, and the fact that it’s open source. It can automate just about any build, test, or deployment you …

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This month brings significant developments throughout the Java ecosystem. Java has begun announcing JEPs targeted for the upcoming release, while Spring has unveiled major updates with Spring Framework 7 and Spring Boot 4. As always, we’ve curated the most interesting articles, videos, and podcasts covering Java, …

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I was helping a new JasperFx Software client this week to best integrate a Domain Events strategy into their new Wolverine codebase. This client wanted to use the common model of using an EF Core DbContext to harvest domain events raised by different entities and relay those to Wolverine messaging with proper Wolverine …

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At .NET Conf 2025 we celebrated the official launch of .NET 10 and Visual Studio 2026. The event provided a deeper dive into the world of .NET for developers worldwide and there were many announcements across the entir Link to article: https://devblogs.microsoft.com/dotnet/dotnet-conf-2025-recap

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As artificial intelligence continues to reshape industries and redefine the boundaries of innovation, Microsoft is proud to announce a leap forward in secure, high-performance computing in our Secret and Top Secret clouds: the integration of NVIDIA H200 Tensor Core GPUs into Azure’s AI infrastructure. This advancement …

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Ever since MCP launched, every customer has asked the same thing: Link to article: https://devblogs.microsoft.com/all-things-azure/locking-down-mcp-create-a-private-registry-on-azure-api-center-and-enforce-it-in-github-copilot-and-vs-code

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A customer wanted to know if they could read the standard output of an already-running process. They didn't explain why, but my guess is that their main process launches a helper process (not written by them) to begin some workflow, and eventually that helper process launches a console process, which produces the …

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There are many scenarios where Copilot Chat can feel limited by the built-in model training data. Maybe you want guidance on the latest web framework, documentation, or project-specific resources—but Copilot’s responses just aren’t specific enough. For developers who rely on up-to-date or esoteric …

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As the next step in the evolution of K2 mode, with the IntelliJ IDEA 2025.3 release we are officially deprecating its predecessor, K1 mode. In this post, we’ll give some background about K2 mode and discuss its current state, including adoption numbers, performance test results, and feature parity and stability. As …

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We're excited to announce the release of Dev Proxy v2.0. Following semantic versioning (SemVer), we're bumping the major version due to breaking changes in this release. While these changes are small, they improve Dev Proxy's accuracy and behavior - and we want you to be aware of them. This release also br Link to …

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