DevClass

DevClass is a platform for news and insights, brought to you by Situation Publishing and crafted by the same team responsible for the Continuous Lifecycle, Serverless Computing, and MCubed conferences. We create and share news, analysis, and features aimed at the global developer community. Our audience includes team members from large enterprises, freelance consultants, and engineers involved in significant open-source projects, whether they operate independently or as part of larger teams. Our areas of interest cover a wide range of subjects, including DevOps, CI/CD, Containers, Agile methodologies, Serverless technology, as well as machine learning and artificial intelligence.

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Node.js frustrating and inefficient? OpenAI rewrites AI coding tool in Rust

5 days ago | devclass.com | Tim Anderson

OpenAI has rewritten its forthcoming AI command-line coding tool, Codex CLI, in Rust, citing gains in performance and security, as well as avoiding dependence on Node.js which can be “frustrating or a blocker for some users.”Codex is an experimental coding agent which runs either from a web browser within ChatGPT, or locally using Codex CLI.
Microsoft designates Blazor as its main future investment in Web UI for .NET

1 week ago | devclass.com | Tim Anderson

At its Build developer event last week, Microsoft told attendees that Blazor is its main investment in Web UI (user interface) for ASP.NET Core, despite the continuing popularity of the older ASP.NET MVC and Razor Page frameworks. Blazor is an end-to-end stack that lets developers use .NET and C# both on the server and in a browser client. Blazor Hybrid is a further variant in which mobile and desktop applications use a web view control to run Blazor applications.
Microsoft’s Linux-friendly approach to C# scripting is planned for .NET 10

1 week ago | devclass.com | Tim Anderson

Microsoft has developed a new simplified way of running C# from the command line, designed both for scripting and learning, implemented via “ignored directives” to be added to the language in the forthcoming .NET 10.
Researchers warn of prompt injection vulnerability in GitHub MCP with no obvious fix

1 week ago | devclass.com | Tim Anderson

A team of researchers at Invariant Labs, based in Zurich, Switzerland, has warned developers of a prompt injection vulnerability in GitHub’s MCP (Model Context Protocol) server, which could result in code leaking from private repositories. The issue is not a flaw in the GitHub MCP server code, but rather an architectural issue, says research engineer Marco Milanta and CTO Luca Beurer-Kellner.
JetBrains previews official VS Code language server for Kotlin, unveils fresh language features at KotlinConf

2 weeks ago | devclass.com | Tim Anderson

The annual JetBrains KotlinConf is in progress in Copenhagen, with news including the first official LSP (Language Server Protocol) extension for Visual Studio Code (VS Code) as well as a look ahead at new features coming to the Kotlin programming language. JetBrains is a tools vendor and has faced a dilemma regarding a Kotlin LSP: providing one may weaken the appeal of its own IDEs, but not providing one may limit take-up of Kotlin because of the popularity of VS Code and its various forks.
JetBrains and Azul claim big Kotlin performance gain from costly Zing JDK

2 weeks ago | devclass.com | Tim Anderson

JetBrains and Azul have announced a “strategic technical collaboration” to improve the performance of Kotlin applications running on the JVM (Java Virtual Machine), showing significant performance gains when running on Azul’s Zing JDK (Java Development Kit), pricing for which starts at $100 per vCore per year. JetBrains is a tools company, while Azul is a Java specialist with its own JDK builds.
Microsoft's .NET Aspire 9.3 adds reverse proxy, enhanced dashboard which phones telemetry home by default • DEVCLASS

2 weeks ago | devclass.com | Tim Anderson

Microsoft has updated .NET Aspire to version 9.3, including reverse proxy support, MySQL integration, easier integration with Azure blog storage, and preview support for Azure App Service – though developers should note that the new version now sends dashboard telemetry to the company by default, whereas before this was opt-in. The Aspire project addresses the challenge of building containerised, observable distributed applications: common characteristics of enterprise applications.
MCP will be built into Windows to make an "agentic OS" but security will be a key concern • DEVCLASS

2 weeks ago | devclass.com | Tim Anderson

Microsoft’s Build developer conference is under way in Seattle, where the company has revealed plans to make the Model Context Protocol (MCP) a native component of Windows, despite concerns over the security of the fast-expanding MCP ecosystem. MCP is a protocol introduced by Anthropic just 6 months ago. It was originally presented as a means for AI-powered applications to access data in diverse systems, but soon evolved into a protocol for more general automation.
Interview: Chief maintainer of Qt project on language independence, KDE, and the pain of Qt 5 to Qt 6

3 weeks ago | devclass.com | Tim Anderson

Volker Hilsheimer, chief maintainer of the Qt project, says he has learned lessons from the painful Qt 5 to Qt 6 transition, the importance of Qt Bridges for using Qt from any language, and the significance of the relationship with the Linux KDE desktop. Hilsheimer goes back a long way with Qt. “I started using Qt in the late 90s,” he tells DevClass at the Qt World Summit in Munich.
Mozilla quietly makes Microsoft’s GitHub the authoritative home for Firefox code

3 weeks ago | devclass.com | Tim Anderson

The non-profit Mozilla Corporation has made Microsoft-owned GitHub the “canonical home” for the source code of the Firefox web browser, completing a move first announced in late 2023. It continues to use Bugzilla for issue tracking as well as other existing DevOps tools. The Firefox Git Migration status page declared that the “source of truth for Firefox” was migrated from Mercurial to Git on 30th April 2025, and this was also noted on the Firefox developer mailing list.