# resharper

A JetBrains developer tool for C# and .NET code analysis, refactoring, and coding assistance in Visual Studio and compatible editors.

This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles.

## Rider and ReSharper 2026.2.2 Are Out!

DevFeed: [Rider and ReSharper 2026.2.2 Are Out!](<https://devfeed.tech/articles/rider-and-resharper-2026-2-2-are-out-31525.md>)

Original publisher: [Read original article](<https://blog.jetbrains.com/dotnet/2026/09/16/rd-rs-2026-2-2/>)

Author: Alexander Kurakin

Published: 2026-09-16T14:12:44Z

Content type: release

Language: en

Sources: [The JetBrains Blog](<https://devfeed.tech/sources/the-jetbrains-blog.md>)

Topics: [rider](<https://devfeed.tech/topics/rider.md>), [resharper](<https://devfeed.tech/topics/resharper.md>), [AI-assisted coding](<https://devfeed.tech/topics/ai-assisted-coding.md>), [test-coverage](<https://devfeed.tech/topics/test-coverage.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [ai-agent-hooks](<https://devfeed.tech/tags/ai-agent-hooks.md>), [ai-agents](<https://devfeed.tech/tags/ai-agents.md>), [code-coverage](<https://devfeed.tech/tags/code-coverage.md>), [coverage](<https://devfeed.tech/tags/coverage.md>), [hooks](<https://devfeed.tech/tags/hooks.md>), [jetbrains](<https://devfeed.tech/tags/jetbrains.md>), [macos](<https://devfeed.tech/tags/macos.md>), [mcp](<https://devfeed.tech/tags/mcp.md>), [net](<https://devfeed.tech/tags/net.md>), [net-tools](<https://devfeed.tech/tags/net-tools.md>), [releases](<https://devfeed.tech/tags/releases.md>), [resharper](<https://devfeed.tech/tags/resharper.md>), [rider](<https://devfeed.tech/tags/rider.md>), [update](<https://devfeed.tech/tags/update.md>)

### AI overview

JetBrains releases Rider, ReSharper, and .NET tools 2026.2.2, adding an AI Agent Setup widget in Rider, more targeted hook feedback for coding agents, TUnit coverage support, and fixes including a macOS freezing issue.

### Source excerpt

We've released version 2026.2.2 of ReSharper, Rider, and .NET tools. You can install this update from inside the tools themselves, through the Toolbox App, or on our website. Here's what's new in this update. Rider 2026.2.2 AI Agent Setup widget We've recently added a wide range of features to help you work with coding agents [...]

## Why Rider and ReSharper Were Slow to Start, and How Microsoft Helped Fix the Problem

DevFeed: [Why Rider and ReSharper Were Slow to Start, and How Microsoft Helped Fix the Problem](<https://devfeed.tech/articles/why-rider-and-resharper-were-slow-to-start-and-how-microsoft-helped-fix-the-problem-8801.md>)

Original publisher: [Read original article](<https://blog.jetbrains.com/dotnet/2026/09/09/why-rider-and-resharper-were-slow-to-start-and-how-microsoft-helped-fix-the-problem/>)

Author: Alexander Ulitin

Published: 2026-09-09T16:45:27Z

Content type: article

Language: en

Sources: [The JetBrains Blog](<https://devfeed.tech/sources/the-jetbrains-blog.md>)

Topics: [resharper](<https://devfeed.tech/topics/resharper.md>), [out-of-process](<https://devfeed.tech/topics/out-of-process.md>), [Latency](<https://devfeed.tech/topics/latency.md>), [Microsoft](<https://devfeed.tech/topics/microsoft.md>), [telemetry](<https://devfeed.tech/topics/telemetry.md>)

Tags: [defender](<https://devfeed.tech/tags/defender.md>), [logs](<https://devfeed.tech/tags/logs.md>), [microsoft](<https://devfeed.tech/tags/microsoft.md>), [net-tools](<https://devfeed.tech/tags/net-tools.md>), [oop](<https://devfeed.tech/tags/oop.md>), [out-of-process](<https://devfeed.tech/tags/out-of-process.md>), [performance](<https://devfeed.tech/tags/performance.md>), [resharper](<https://devfeed.tech/tags/resharper.md>), [resharper-oop](<https://devfeed.tech/tags/resharper-oop.md>), [rider](<https://devfeed.tech/tags/rider.md>), [telemetry](<https://devfeed.tech/tags/telemetry.md>)

### AI overview

The article investigates slow ReSharper startup after its out-of-process architecture was introduced. Profiling identified Microsoft Defender scanning as the source of substantial first-launch latency, and describes a repeatable investigation tool built with input from Microsoft.

### Source excerpt

When we launched ReSharper's out-of-process (OOP) architecture, users reported slower startup times for IDEs using ReSharper on Windows. After profiling, the cause surprised us: Microsoft Defender was scanning our process for longer than we expected. This post is about what we found, what we learned working with Microsoft, and a tool we built that allows [...]

## Ethereum Metropolis and Byzantium Development Roundup

DevFeed: [Ethereum Metropolis and Byzantium Development Roundup](<https://devfeed.tech/articles/roundup-6-16812.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2017/10/09/roundup-6>)

Author: Ethereum Foundation

Published: 2017-10-09T09:55:53Z

Content type: news

Language: en

Sources: [Ethereum Foundation Blog](<https://devfeed.tech/sources/ethereum-foundation-blog.md>)

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Metropolis](<https://devfeed.tech/topics/metropolis.md>), [resharper](<https://devfeed.tech/topics/resharper.md>), [rust refactoring](<https://devfeed.tech/topics/rust-refactoring.md>), [Algorithms, Complexity](<https://devfeed.tech/topics/algorithms-complexity.md>)

Tags: [code](<https://devfeed.tech/tags/code.md>), [cryptographic](<https://devfeed.tech/tags/cryptographic.md>), [deadlock](<https://devfeed.tech/tags/deadlock.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [features](<https://devfeed.tech/tags/features.md>), [metropolis](<https://devfeed.tech/tags/metropolis.md>), [new-features](<https://devfeed.tech/tags/new-features.md>), [python](<https://devfeed.tech/tags/python.md>), [race-condition](<https://devfeed.tech/tags/race-condition.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [sharding](<https://devfeed.tech/tags/sharding.md>), [unit-test](<https://devfeed.tech/tags/unit-test.md>), [warp](<https://devfeed.tech/tags/warp.md>)

### AI overview

An Ethereum development roundup reports progress on the Metropolis and Byzantium fork, including testnet success, a projected mainnet block, new opcodes and cryptographic precompiles. It also covers Casper, sharding, client updates, synchronization, refactoring, bug fixes, and testing improvements.

### Source excerpt

Metropolis is finally (almost) here! The fork for Byzantium, the first and larger part of Metropolis, succeeded on the testnet over two weeks ago, and the likely date for the fork on the mainnet has been set to block 4.37 million, which is expected to be on Oct 17. New features...