How are large language models going to change the way we use Visual Studio? Carl and Richard speak with Leslie Richardson about her work in Visual Studio, starting with the debugger and now focusing on the broader productivity features of the product. Leslie discusses how various Copilots are being integrated into Visual Studio to help users take advantage of the vast array of features available, which can sometimes be difficult to discover. The upcoming Visual Studio 2026 is available as an ins...
Nov 20, 2025•1 hr 1 min
How are folks adapting to the new tools available for development today? Carl and Richard talk to Brady Gaster about his work on improving the tooling for software development at Microsoft - and the transformation that is currently underway! Brady talks about developers doing app modernization, dealing with the challenges of the cloud, and the many fun things you get to do as software developers over the years - and how there's only more coming!
Nov 13, 2025•1 hr 1 min
Ready to integrate build automation into your applications? Carl and Richard talk to Mattias Karlsson about the new Cake.SDK as an additional component of the Cake (C# Make) open source project. Mattias talks about integrating the Cake scripting experience into your .NET console applications. The conversation digs into speeding up the building of infrastructure for testing and pre-production environments so that you can get features shipped quickly!
Nov 06, 2025•49 min
How do you build quality software with LLMs? Carl and Richard talk to Den Delimarsky about the GitHub Spec Kit, which uses specifications to help LLMs generate code for you. Den discusses the iterative process of refining specifications to produce better code, and then being able to add your own code without disrupting the process. The conversation delves into this new style of software development, utilizing specifications to break down tasks sufficiently for LLMs to be successful, and explores...
Oct 30, 2025•1 hr 4 min
The next version of CSLA is out! Carl and Richard talk to Rocky Lhotka about his business objects framework that pre-dates .NET itself! Rocky discusses the surge in development that occurred for version 9, where a company heavily dependent on CSLA contracted developers to clear some of the backlog. The result is a few new long-term contributors, resulting in an increased development candence and a substantial modernization of the code base. The conversation also turns to AI and its role in devel...
Oct 23, 2025•1 hr
Aspire has been around for almost two years. How do you use it effectively? Carl and Richard talk to Chris Klug about his experience with .NET Aspire. Chris discusses thinking cloud natively, whether you are going to the cloud or not - it's not just a place, but also an architecture. The conversation digs into the role of containers and Kubernetes, deployment strategies, telemetry, security, testing, and more. You can use as much or as little Aspire as you wish!
Oct 16, 2025•56 min
You write tests - but are they valuable tests? Carl and Richard talk to Egil Hansen about his approach to creating tests for applications. Egil discusses the types of testing and who they impact. Testing isn't only for you! Valuable tests are also durable, being able to persist between changes where it makes sense, and help to understand when updates are going to create problems. The role of LLMs in generating code comes into play: should AI write your tests, evaluate them, or do both? Lots of g...
Oct 09, 2025•54 min
AI in the cloud dominates, but what can you run locally? Carl and Richard speak with Joe Finney about his work in setting up local machine learning models. Joe discusses the non-LLM aspects of machine learning, including the vast array of models available at sites like Hugging Face. These models can help with image recognition, OCR, classifiers, and much more. Local LLMs are also a possibility, but the hardware requirements become more significant - a balance must be found between cost, security...
Oct 02, 2025•55 min
How has AI changed coding with Visual Studio Code? Carl and Richard talk to James Montemagno about his experiences using the various LLM models available today with Visual Studio Code to build applications. James talks about the differences in approaches between Visual Studio and Visual Studio Code when it comes to AI tooling, and how those tools continue to evolve. The conversation also digs into how different people use AI tools to answer questions about errors, generate code, and manage proje...
Sep 25, 2025•1 hr 6 min
Razor Tooling is evolving! Carl and Richard talk to David Wengier about the changes coming for Razor Pages in the next version of Visual Studio. David talks about the realization that much of the new work in Razor ties closely to Roslyn, which has resulted in a new co-hosting model that means higher performance and reliability for your web pages! The conversation delves into how capabilities in Visual Studio Code are shared with Visual Studio and vice versa, as well as the role of the Language S...
Sep 18, 2025•54 min
Ready for the next version of Visual Studio? Carl and Richard talk to Mads Kristensen about the long-awaited version of Visual Studio. Needless to say, artificial intelligence sits front and center. Mads talks about the deep integration of AI across the development lifecycle, including code completion, debugging, even natural language querying. The conversation also digs into the role of Visual Studio as a project management tool, and its integration with cloud, GitHub, and more!
Sep 11, 2025•1 hr 1 min
How has DevOps changed in 2025? Carl and Richard talk to Michael Levan about his experiences helping teams automate their development workflows, and dealing with all the details that help the entire team focus on providing customer value. Michael digs into the role of the new AI tools in facilitating better workflows around code, testing, deployment, telemetry, and more. Then the conversation turns to security - and the many challenges that exist to make applications that are secure when deploye...
Sep 03, 2025•59 min
How did the design of GitHub evolve? Carl and Richard speak with Diana Mounter about her experiences at GitHub, including her role as head of design. Diana discusses how she was drawn to GitHub as a designer and how her career evolved to lead design for the company. The conversation ranges over different design concepts, the Primer design language, and how to effectively combine design and development to achieve great results.
Aug 28, 2025•1 hr 7 min
What's coming in C#14? Carl and Richard chat with Dustin Campbell about the next version of C#, discussing what it takes to continue advancing software development in the Microsoft ecosystem. Dustin discusses how features are selected from version to version, including long-developed features like extension members, which have been in development for years. The conversation also turns to Razor Pages, which Dustin helps contribute to, and the dynamic of what should be language, what should be fra...
Aug 21, 2025•57 min
How has application security evolved over the decades? Carl and Richard talk to Michael Howard about his experiences working in security at Microsoft. Michael discusses his current role as a member of the Red Team at Microsoft, which identifies security vulnerabilities within the organization by creating scenarios that black hats might employ, such as stealing tokens or hijacking financial transactions. The conversation examines how security continues to evolve, with improved tools, new attack s...
Aug 13, 2025•1 hr 3 min
Can you improve a legacy application? What's the right way to go about it? Carl and Richard talk with Billy Hollis about his work updating legacy applications, starting with the most essential question: should you? Billy begins by defining what it means to be a legacy application and how, invariably, these applications are critical to the organization, so you have to tread lightly. Typically, the focus is on modernizing the client-side of the app, which brings us to the crux of the matter: Are t...
Aug 07, 2025•1 hr 2 min
How can event sourcing help your applications? Carl and Richard speak with Hannes Lowette about his work in helping developers utilize event sourcing patterns to build scalable applications. Hannes discusses moving away from the old habit of decomposing data from objects into rows, columns, and tables, as there's no reason to save that disk space anymore. Storing objects as event streams means you can always generate relational data if needed, but things run faster and scale better in the stream...
Jul 31, 2025•1 hr 4 min
Do you have AI concerns? So does Mark Seemann! Carl and Richard chat with Mark about his views on the impact that large language models are having on the development community. Mark starts with the power of ChatGPT to be perceived as a source of truth, which we know isn't true! How does this ultimately impact the development of software? You need sufficient knowledge to assess whether the code generated by these tools is valid, accurate, and appropriate. The tools can also help with the process....
Jul 23, 2025•54 min
How do you build progressive web apps in 2025? Carl and Richard talk to Lemon about his experiences building all sorts of PWAs for customers and entertainment. Lemon discusses going beyond the icon in PWAs and leveraging more powerful features, including service workers. The conversation also digs into some of the crazy talks done over the years, as well as gaming from browsers and more!
Jul 17, 2025•57 min
How can AI tech help you write better code? Carl and Richard talk to Mark Miller about the latest AI features coming in CodeRush. Mark talks about focusing on a fast and cost-effective AI assistant driven by voice, so you don't have to switch to a different window and type. The conversation delves into the rapid evolution of software development, utilizing AI technologies to accomplish more in less time.
Jul 10, 2025•1 hr 2 min
Ready for a great explanation of Agentic AI? For the last show at Build, Carl and Richard sit down with Seth Juarez to dig into what agentic AI really is - and how you can take advantage of it! Seth discusses the potential of MCP and NLWeb to enable agents to work with each other, as well as the challenges of managing these tools effectively. The conversation turns to what's happening under the hood of agentic AI software, including the limitations of its abilities. There is a need for governanc...
Jul 03, 2025•58 min
It's the Imagine Cup Finalists! While at Build, Carl and Richard sat down with Daniel Kim, Matt Steele, and Gheida Omar to talk about their projects in the Imagine Cup. Gheida discussed Signvrse, a mobile app that enables real-time translation of speech, text, and sign language. Matt tells the story of Hairmatch, a mobile app for women with textured hair. And Daniel describes Argus, the winner of the Imagine Cup, as a two-part wearable device for people with low vision that provides object detec...
Jun 26, 2025•41 min
How do you eliminate the friction of development? Carl and Richard talk to Nicole Forsgren about her upcoming book on eliminating the friction from software development. Building on her earlier book, Accelerate, Nicole discusses the role of AI technologies in software development, along with more traditional DevOps elements, such as automating testing, deployment, telemetry, and more. There's never been a better time to pay attention to your tools and methods when it comes to software developmen...
Jun 19, 2025•58 min
What happens when AI comes to your web testing tool? While at Build, Carl and Richard talked to Debbie O'Brien about the latest features in Playwright, including Playwright MCP, the model control plane for Playwright capabilities. Debbie talks about using Playwright MCP to buy a table. Ask your LLM what tests should be written for your web page, and then ask it to write them.
Jun 12, 2025•49 min
How will coding agents change your code? While at Build, Carl and Richard chatted with Scott Hunter about the announcements around coding agents at the keynote. Scott talks about the agent mode available in Visual Studio Code - and now in Visual Studio! Agent mode allows the LLM to evaluate the code across an entire solution, not just the file you're currently looking at. You can create a workflow where GitHub issues are assigned to the agent, which then generates code and provides a pull reques...
Jun 05, 2025•55 min
What if you could use ElasticSearch serverless? While at Build, Carl and Richard chatted with Ken Exner about the new announcements around Elastic providing serverless storage and search! Ken talks about paying for only the data you move and store with serverless, rather than needing to operate any infrastructure for Elastic. The conversation digs into the potential of Elastic in Azure AI Foundry to provide ultra-fast access to current company data for your LLM implementations. Elastic did vecto...
May 28, 2025•42 min
Do you understand how networking works in C#? Carl and Richard chat with Chris Woody Woodruff about his new book on networking with C#. Chris runs down the fundamentals of networking and then discusses the different approaches readily available in the C# world, including web sockets, gRPC, SignalR, and many more! The conversation also turns to the upcoming QUIC standards built into HTTP/3 that should simplify networking. Sure, you could go with the defaults, but why not explore all the options!
May 22, 2025•1 hr 3 min
How do you secure browser-based frontends with ASP.NET Core backends? Carl and Richard discuss the Backend for Frontend (BFF) Security Framework with Erwin van der Valk. Erwin talks about Sam Newman's BFF Pattern and how it helps deal with the diversity of clients, including web, desktop, and mobile, to work with a common backend. OAuth 2.0 is capable of dealing with this complexity, but there are many moving parts, and that's where the security framework can help!
May 15, 2025•50 min
How do you balance architecture and code? Carl and Richard talk to Steve Smith about various architectural strategies and the swing back-and-forth against over-designing architecture and getting code written. Steve talks about how architecture changes depending on the size and number of teams, how the latest tools can help with architectural choices, and the challenge of effective refactoring when things need to change. Lots of great conversation!
May 08, 2025•54 min
Open Source Maintainers are burning out or going commercial - how do we solve this? Carl and Richard chat with Rob Mensching about his work to create the open source maintenance fee through GitHub. Rob talks about the common problem of single maintainers getting buried under issues and demands of consumers for a project. Recognizing that most people cannot contribute to the project, a maintenance fee helps support the maintainer in a low friction way for everyone involved. Check out the links to...
May 01, 2025•1 hr 6 min