⚡️ Microsoft will end support for ASP.NET Core 2.3 next year
Microsoft announced that exactly one year later, namely on April 7, 2027, support for ASP.NET Core 2.3 will end completely.
After this date, the platform will stop receiving security updates and technical support
The company recommends that developers migrate to .NET 10 as early as possible and use tools like GitHub Copilot to simplify the modernization process.
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Microsoft announced that exactly one year later, namely on April 7, 2027, support for ASP.NET Core 2.3 will end completely.
After this date, the platform will stop receiving security updates and technical support
The company recommends that developers migrate to .NET 10 as early as possible and use tools like GitHub Copilot to simplify the modernization process.
♻️ Subscribe for free now!
Microsoft News
ASP.NET Core 2.3 end of support announcement
ASP.NET Core 2.3 will reach end of support on April 7, 2027. Learn what this means for your applications and how to upgrade to a modern supported version of .NET.
⚡️ How to Reduce Cloud Costs with AI Adoption
Microsoft has explained how not to overpay for cloud resources when working with artificial intelligence.
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Microsoft has explained how not to overpay for cloud resources when working with artificial intelligence.
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Microsoft Azure Blog
Cloud Cost Optimization: How to maximize ROI from AI, manage costs, and unlock real business value | Microsoft Azure Blog
Find out how you can get more ROI from AI, manage AI costs effectively, and turn AI adoption into lasting business value.
⚡️ April dotInsights Digest from JetBrains
JetBrains released an April digest in which it collected key materials: from practical tips and architectural approaches to the impact of AI on development.
The main topic is the growing role of AI agents in workflows, performance optimization, and the development of Rider and ReSharper.
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JetBrains released an April digest in which it collected key materials: from practical tips and architectural approaches to the impact of AI on development.
The main topic is the growing role of AI agents in workflows, performance optimization, and the development of Rider and ReSharper.
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The JetBrains Blog
dotInsights | April 2026 | The .NET Tools Blog
Did you know? You can use LINQ to XML to write queries in a readable and strongly-typed way directly against an XML document, making it one of the most intuitive ways to deal with XML in .NET.
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⚡️ 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.