⚡️ Microsoft updated Quantum Development Kit
Microsoft has extended the capabilities of the open source Quantum Development Kit by adding domain libraries for scientific problems and integration with GitHub Copilot.
The updated toolset supports Q#, OpenQASM, Qiskit, and Cirq, works in Visual Studio Code, Python, and Jupyter, and helps developers write, test, and debug quantum code in the Azure Quantum ecosystem.
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Microsoft has extended the capabilities of the open source Quantum Development Kit by adding domain libraries for scientific problems and integration with GitHub Copilot.
The updated toolset supports Q#, OpenQASM, Qiskit, and Cirq, works in Visual Studio Code, Python, and Jupyter, and helps developers write, test, and debug quantum code in the Azure Quantum ecosystem.
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Help Net Security
Microsoft adds domain libraries and Copilot integration to the quantum development kit
The Microsoft Quantum Development Kit (QDK) is an open-source toolkit that runs on laptops and in common development environments.
⚡️ F# Weekly #15, 2026
The new issue of the weekly F# digest includes library updates, including FSharp.Data and Akkling, an experiment on automatic tuning of the RANSAC algorithm, fresh videos, articles and releases.
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The new issue of the weekly F# digest includes library updates, including FSharp.Data and Akkling, an experiment on automatic tuning of the RANSAC algorithm, fresh videos, articles and releases.
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Sergey Tihon's Blog
F# Weekly #15, 2026 – Akkling, FSharp.Data and RANSAC auto-tune
Welcome to F# Weekly, A roundup of F# content from this past week: Microsoft News Your Migration’s Source of Truth: The Modernization Assessment – .NET Blog ASP.NET Core 2.3 end of supp…
⚡️ F# Weekly #16, 2026
In the latest release, the main events of the week for the F# community: from the release of .NET 11 Preview 3 and the SwaggerProvider 4.0 beta to the updates of Fantomas, FSharp.Data, Feliz and Farmer. The digest also includes new articles, videos, and open source projects — from type-safe Cypher builder and Orleans API for F# to tools for AI orchestration and debugging of agent-based protocols.
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In the latest release, the main events of the week for the F# community: from the release of .NET 11 Preview 3 and the SwaggerProvider 4.0 beta to the updates of Fantomas, FSharp.Data, Feliz and Farmer. The digest also includes new articles, videos, and open source projects — from type-safe Cypher builder and Orleans API for F# to tools for AI orchestration and debugging of agent-based protocols.
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Sergey Tihon's Blog
F# Weekly #16, 2026 – .NET 11 Preview 3 & SwaggerProvider 4.0 beta
Welcome to F# Weekly, A roundup of F# content from this past week: News .NET 11 Preview 3 is now available! TypeFighter Replace Queue with mutable doubly-linked EventList by nojaf · Pull Request #3…
⚡️ Game Boy emulator on F#
Developer Nick Kossolapov created a full-fledged Game Boy emulator in F# in an effort to gain a deeper understanding of computers. The Fame Boy project, which grew out of educational experiments with CHIP-8 and the From NAND to Tetris course, supports graphics and sound and works on both desktop and browser. The author described in detail the architecture of the emulator, the trade-offs between functional style and performance, as well as the role of AI — from generating tests to finding critical bugs.
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Developer Nick Kossolapov created a full-fledged Game Boy emulator in F# in an effort to gain a deeper understanding of computers. The Fame Boy project, which grew out of educational experiments with CHIP-8 and the From NAND to Tetris course, supports graphics and sound and works on both desktop and browser. The author described in detail the architecture of the emulator, the trade-offs between functional style and performance, as well as the role of AI — from generating tests to finding critical bugs.
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nickkossolapov.github.io
I built a Game Boy emulator in F#
Hundreds of hours, many late nights, and a working Game Boy emulator in F# with sound, running on desktop and web.
⚡️ Postgres-based hybrid cache on Azure
Microsoft introduced an approach to building high-performance distributed caching in .NET 10 using PostgreSQL in Azure and the HybridCache library.
In this post, you'll learn how combining in-memory and distributed cache can reduce latency, improve fault tolerance, and simplify application scaling.
The solution is focused on modern microservice architectures and can be used in production scenarios without significant code changes.
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Microsoft introduced an approach to building high-performance distributed caching in .NET 10 using PostgreSQL in Azure and the HybridCache library.
In this post, you'll learn how combining in-memory and distributed cache can reduce latency, improve fault tolerance, and simplify application scaling.
The solution is focused on modern microservice architectures and can be used in production scenarios without significant code changes.
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Microsoft News
High-Performance Distributed Caching with .NET and Postgres on Azure
Adding caching to your application architecture can significantly improve key performance metrics, cut latency, and reduce load across downstream systems. In this walkthrough, we highlight the latest caching best practices and incorporate these design patterns…
⚡️ Will AI kill programming? Even critics doubt this
Danish developer and blogger Mark Seemann has unexpectedly questioned his own criticism of AI. He acknowledges that his concerns about using LLMs in development — from security issues to bugs in code — may be the result of "motivated thinking," i.e., trying to protect a familiar craft.
But the main question remains: even if 90% of fears are far-fetched, which of the remaining threats will really hit the industry – and when will it happen?
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Danish developer and blogger Mark Seemann has unexpectedly questioned his own criticism of AI. He acknowledges that his concerns about using LLMs in development — from security issues to bugs in code — may be the result of "motivated thinking," i.e., trying to protect a familiar craft.
But the main question remains: even if 90% of fears are far-fetched, which of the remaining threats will really hit the industry – and when will it happen?
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ploeh blog
Motivated reasoning
Most of my concerns about AI are probably irrelevant, but what if one of them is not?
⚡️ C# 15 introduces union types
Microsoft has announced a long-awaited feature for C# — union types, which will appear in the fifteenth version of the language and are already available in the .NET 11 preview.
The new mechanism allows you to explicitly specify a limited set of possible types for a variable and ensures that your code processes each of them at compile time.
This makes it easier to work with heterogeneous data and eliminates old trade-offs such as using object or base classes.
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Microsoft has announced a long-awaited feature for C# — union types, which will appear in the fifteenth version of the language and are already available in the .NET 11 preview.
The new mechanism allows you to explicitly specify a limited set of possible types for a variable and ensures that your code processes each of them at compile time.
This makes it easier to work with heterogeneous data and eliminates old trade-offs such as using object or base classes.
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Microsoft News
Explore union types in C# 15
C# 15 introduces union types — declare a closed set of case types with implicit conversions and exhaustive pattern matching. Try unions in preview today and see the broader exhaustiveness roadmap.
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⚡️ Why you should disable HTTP cache in the API
API responses should only be cached if it's intentional.
Accidental caching can serve out stale data, create vulnerabilities, and lead to hard-to-reproduce bugs.
How to configure caching settings - in today's publication.
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API responses should only be cached if it's intentional.
Accidental caching can serve out stale data, create vulnerabilities, and lead to hard-to-reproduce bugs.
How to configure caching settings - in today's publication.
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Meziantou's blog
Disable HTTP caching by default in ASP.NET Core APIs
Learn why API responses should not be cached by default and how to implement middleware to prevent caching in ASP.NET Core applications.
⚡️ Building AI Agents with the Microsoft Agent Framework
The article describes how to quickly create an AI agent in .NET from basic components.
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The article describes how to quickly create an AI agent in .NET from basic components.
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Microsoft News
Microsoft Agent Framework – Building Blocks for AI Part 3
Build intelligent AI agents in .NET with the Microsoft Agent Framework. Learn how to create agents with tools, multi-turn conversations, memory, and graph-based workflows that bring together the building blocks from Parts 1 and 2.
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⚡️ F# Weekly #19, 2026
In the new issue of F# Weekly: analysis of the principles of compilers using the example of the algebraic expression compiler, announcements of new releases and much more!
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In the new issue of F# Weekly: analysis of the principles of compilers using the example of the algebraic expression compiler, announcements of new releases and much more!
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Sergey Tihon's Blog
F# Weekly #19, 2026 – Understanding Compilers Through an Algebraic Expression Compiler
Welcome to F# Weekly, A roundup of F# content from this past week: Microsoft News Copilot Studio gets faster with .NET 10 on WebAssembly Durable Workflows in the Microsoft Agent Framework Microsoft…
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⚡️ Working with context in OpenTelemetry
In distributed systems, it is important to maintain observability as requests move between processes and services.
The article describes how in . NET applications pass tracing context using OpenTelemetry to track the path of the request through different components.
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In distributed systems, it is important to maintain observability as requests move between processes and services.
The article describes how in . NET applications pass tracing context using OpenTelemetry to track the path of the request through different components.
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Meziantou's blog
Propagating OpenTelemetry context in .NET
Learn how to propagate OpenTelemetry context across process boundaries in .NET applications using messaging systems, queues, and background jobs.
⚡️ Web Worker in .NET 11 for background tasks in Blazor
.NET 11 introduces the Web Worker project template, which is designed to perform CPU-intensive tasks without blocking the interface.
This pattern can be used in Blazor applications to move heavy computing to background threads through Web Workers.
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.NET 11 introduces the Web Worker project template, which is designed to perform CPU-intensive tasks without blocking the interface.
This pattern can be used in Blazor applications to move heavy computing to background threads through Web Workers.
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Andrew Lock | .NET Escapades
Running background tasks in Blazor with Web Workers
In this post I discuss the new Web Worker template available in .NET 11 for running CPU intensive tasks without blocking the UI