# \#Code-Editors-and-IDEs

**URL:** https://discussions.unity.com/tag/code-editors-and-ides/159372.md

[Latest](https://discussions.unity.com/latest.md) · [Categories](https://discussions.unity.com/categories.md) · [Tags](https://discussions.unity.com/tags.md)

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## [Visual Studio 2026 Broke Color Coding and Itelli Sense](https://discussions.unity.com/t/visual-studio-2026-broke-color-coding-and-itelli-sense/1723212)

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**Author:** [@lucasfera15](https://discussions.unity.com/u/lucasfera15)\
**Replies:** 23\
**Last updated:** [August 28, 2026, 4:27pm UTC](https://discussions.unity.com/t/visual-studio-2026-broke-color-coding-and-itelli-sense/1723212 "2026-08-28T16:27:57Z")

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I just updated Visual Studio 2022 to 2026. I noticed that the colors of some types and classes are no longer highlighted, and this is causing problems… I also noticed that IntelliSense is slower. There are also severa…

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## [Please add IPreprocessBuildWithReportAsync and IPostprocessBuildWithReportAsync](https://discussions.unity.com/t/please-add-ipreprocessbuildwithreportasync-and-ipostprocessbuildwithreportasync/1660338)

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**Author:** [@Thaina](https://discussions.unity.com/u/Thaina)\
**Replies:** 5\
**Last updated:** [August 4, 2026, 12:10pm UTC](https://discussions.unity.com/t/please-add-ipreprocessbuildwithreportasync-and-ipostprocessbuildwithreportasync/1660338 "2026-08-04T12:10:31Z")

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When we trigger a build, many times we have config or preparation that need to request from async operation such as http request from internet or reading database both in pre and post process Especially preprocess that …

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## [Unity 6.3 randomly adding references to asmdefs files?](https://discussions.unity.com/t/unity-6-3-randomly-adding-references-to-asmdefs-files/1702359)

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**Author:** [@The-Wand3rer](https://discussions.unity.com/u/The-Wand3rer)\
**Replies:** 35\
**Last updated:** [July 23, 2026, 3:27pm UTC](https://discussions.unity.com/t/unity-6-3-randomly-adding-references-to-asmdefs-files/1702359 "2026-07-23T15:27:51Z")

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I have been experiencing a very weird phenomenon: from time to time I see my git changes panel in Visual Studio 2026 showing that asmdef files have been modified without my direct intervention. It seems that something i…

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## [Cannot connect debugger to Unity Editor in Rider](https://discussions.unity.com/t/cannot-connect-debugger-to-unity-editor-in-rider/924371)

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**Author:** [@JesseSTG\_1](https://discussions.unity.com/u/JesseSTG_1)\
**Replies:** 5\
**Last updated:** [July 23, 2026, 7:59am UTC](https://discussions.unity.com/t/cannot-connect-debugger-to-unity-editor-in-rider/924371 "2026-07-23T07:59:29Z")

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I’m trying to connect to the Unity Editor for debugging using Rider, but the connection keeps failing with this error: “Unable to connect to Unity Editor. Please follow ‘Debug in the Unity Editor’ documentation.” Thi…

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## [Animations work with keyboard, but not with PS4 remote](https://discussions.unity.com/t/animations-work-with-keyboard-but-not-with-ps4-remote/1723990)

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**Author:** [@Big\_Juicy](https://discussions.unity.com/u/Big_Juicy)\
**Replies:** 2\
**Last updated:** [June 24, 2026, 5:11pm UTC](https://discussions.unity.com/t/animations-work-with-keyboard-but-not-with-ps4-remote/1723990 "2026-06-24T17:11:07Z")

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Hey guys, I need little help with my code. I’ve been following tutorials by iHeartGameDev on YouTube and trying to figure things out as I go. Long story short, the title says it all. The animations for the Blend Tree …

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## [Why does each C# script open in a new separate instance of Visual Studio?](https://discussions.unity.com/t/why-does-each-c-script-open-in-a-new-separate-instance-of-visual-studio/654581)

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**Author:** [@TokyoDan](https://discussions.unity.com/u/TokyoDan)\
**Replies:** 32\
**Last updated:** [June 20, 2026, 3:46am UTC](https://discussions.unity.com/t/why-does-each-c-script-open-in-a-new-separate-instance-of-visual-studio/654581 "2026-06-20T03:46:59Z")

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I’m working on a project and it is OK. I open various C# scripts and each one opens in a new tab in the single running instance of Visual Studio Community 2015. To make a backup of the project, I copied and pasted it and…

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## [Script Inspector 3 - World's Fastest IDE for Unity](https://discussions.unity.com/t/script-inspector-3-worlds-fastest-ide-for-unity/477768)

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**Author:** [@Flipbookee](https://discussions.unity.com/u/Flipbookee)\
**Replies:** 2929\
**Last updated:** [June 18, 2026, 1:38pm UTC](https://discussions.unity.com/t/script-inspector-3-worlds-fastest-ide-for-unity/477768 "2026-06-18T13:38:04Z")

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This first post used to be a short presentation of the initial version of the Script Inspector, released on Unity Asset Store in May 2012… The Script Inspector has evolved tremendously since that time, and after suggesti…

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## [Script Inspector 3](https://discussions.unity.com/t/script-inspector-3/512085)

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**Author:** [@Flipbookee](https://discussions.unity.com/u/Flipbookee)\
**Replies:** 2175\
**Last updated:** [June 15, 2026, 11:51am UTC](https://discussions.unity.com/t/script-inspector-3/512085 "2026-06-15T11:51:09Z")

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Hey Unity Folks, I’m pretty sure you are all familiar with Script Inspector 2, and many of you are already using it for viewing and editing your scripts, shaders, and text files right inside Unity Editor, so I’ll skip t…

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## [VS2026 debugger multiple Unity instances not working](https://discussions.unity.com/t/vs2026-debugger-multiple-unity-instances-not-working/1701201)

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**Author:** [@Player7](https://discussions.unity.com/u/Player7)\
**Replies:** 21\
**Last updated:** [June 13, 2026, 2:27pm UTC](https://discussions.unity.com/t/vs2026-debugger-multiple-unity-instances-not-working/1701201 "2026-06-13T14:27:09Z")

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Basically you can’t attach the debugger to Unity instance of the code project if you have more than 1 unity editor opened, obviously likely to have 2x vs2026 instances opened aswel, but it seems the issue is with Unity, …

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## [Asmdefs that don't check "Override References" are ticking time bombs](https://discussions.unity.com/t/asmdefs-that-dont-check-override-references-are-ticking-time-bombs/1722680)

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**Author:** [@Rabadash8820](https://discussions.unity.com/u/Rabadash8820)\
**Replies:** 7\
**Last updated:** [June 10, 2026, 7:53pm UTC](https://discussions.unity.com/t/asmdefs-that-dont-check-override-references-are-ticking-time-bombs/1722680 "2026-06-10T19:53:27Z")

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Background I recently asked about a naming conflict with the Unity In-App Purchasing (IAP) package (see Namespace/class conflict when adding UPM package), and learned something new: when asmdefs leave “Override Reference…

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## [Weird errors blocking debug mode from Visual Studio with Unity 6-4.9f1](https://discussions.unity.com/t/weird-errors-blocking-debug-mode-from-visual-studio-with-unity-6-4-9f1/1722123)

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**Author:** [@Hounded](https://discussions.unity.com/u/Hounded)\
**Replies:** 14\
**Last updated:** [June 8, 2026, 1:13pm UTC](https://discussions.unity.com/t/weird-errors-blocking-debug-mode-from-visual-studio-with-unity-6-4-9f1/1722123 "2026-06-08T13:13:16Z")

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Updated from 6.3 to the new 6.4.9f1. Went smooth, no issues, game works. I was cruising along, editing code, compiling fine. Then I try to enter debug mode (from a totally updated Visual Studio 2026 Community) and I g…

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## [Visual Studio - no documentation text for System types](https://discussions.unity.com/t/visual-studio-no-documentation-text-for-system-types/889776)

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**Author:** [@maxim6394](https://discussions.unity.com/u/maxim6394)\
**Replies:** 7\
**Last updated:** [June 5, 2026, 2:14pm UTC](https://discussions.unity.com/t/visual-studio-no-documentation-text-for-system-types/889776 "2026-06-05T14:14:58Z")

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Hello, I’m currently using Visual Studio 2019 Community Edition with Unity 2021.3, but somehow Visual Studio doesn’t show the documentation texts for the system classes like List: It works correctly for all the Unity …

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## [\[SOLVED\] Unity not generating .sln file from Assets \> Open C# Project](https://discussions.unity.com/t/solved-unity-not-generating-sln-file-from-assets-open-c-project/706656)

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**Author:** [@Stardog](https://discussions.unity.com/u/Stardog)\
**Replies:** 27\
**Last updated:** [May 21, 2026, 3:55pm UTC](https://discussions.unity.com/t/solved-unity-not-generating-sln-file-from-assets-open-c-project/706656 "2026-05-21T15:55:12Z")

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Solved: You have to go to Edit \> Preferences \> External Tools and navigate to the VS exe, then Assets \> Open C# Project again… Very annoying. You should fix this. http://answers.unity.com/answers/1486946/view.html

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## [Vscode Library\\ScriptAssemblies\\Unity.RenderPipelines.Universal.Config.Runtime.dll: Copying the file failed](https://discussions.unity.com/t/vscode-library-scriptassemblies-unity-renderpipelines-universal-config-runtime-dll-copying-the-file-failed/1718863)

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**Author:** [@djmisterjon](https://discussions.unity.com/u/djmisterjon)\
**Replies:** 3\
**Last updated:** [May 5, 2026, 2:46am UTC](https://discussions.unity.com/t/vscode-library-scriptassemblies-unity-renderpipelines-universal-config-runtime-dll-copying-the-file-failed/1718863 "2026-05-05T02:46:23Z")

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Hello, I have a problem. I’m new to Unity and trying to migrate a game I had developed in TypeScript. I find myself needing my IDE’s debugger to test different paradigms and some issues. The problem is that it’s imposs…

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## [Rider ECS generated code not visible](https://discussions.unity.com/t/rider-ecs-generated-code-not-visible/1718148)

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**Author:** [@koirat](https://discussions.unity.com/u/koirat)\
**Replies:** 1\
**Last updated:** [April 28, 2026, 10:00am UTC](https://discussions.unity.com/t/rider-ecs-generated-code-not-visible/1718148 "2026-04-28T10:00:04Z")

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Can you guys see the ECS generated code in Rider ? (when not running/debugging) When I’m in Rider and click on “Go To Declaration Or Usage” it does not show generated files.

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## [How to write a simple shader code in unity3d with visual studio ?](https://discussions.unity.com/t/how-to-write-a-simple-shader-code-in-unity3d-with-visual-studio/932667)

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**Author:** [@Jhones7930710](https://discussions.unity.com/u/Jhones7930710)\
**Replies:** 4\
**Last updated:** [April 25, 2026, 8:50pm UTC](https://discussions.unity.com/t/how-to-write-a-simple-shader-code-in-unity3d-with-visual-studio/932667 "2026-04-25T20:50:17Z")

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I created in my project a Shader \> Standrad Surface Shader named it: TestShader. Then double click open it and open it in visual studio. once it open ed in visual studio I’m getting some errors like on the first line: E…

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## [Lightmaps will not save when I apply it in the editor no matter what I do](https://discussions.unity.com/t/lightmaps-will-not-save-when-i-apply-it-in-the-editor-no-matter-what-i-do/1717261)

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**Author:** [@GoldenMass](https://discussions.unity.com/u/GoldenMass)\
**Replies:** 0\
**Last updated:** [April 20, 2026, 3:36pm UTC](https://discussions.unity.com/t/lightmaps-will-not-save-when-i-apply-it-in-the-editor-no-matter-what-i-do/1717261 "2026-04-20T15:36:45Z")

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I just don’t even know what to do anymore after everything I did. I went to every form that I can fine and try to apply the lightmaps that have been generated on the scene and save it. At first it works but after reloadi…

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## [C# files always opening in a new window in VSCode (Mac)](https://discussions.unity.com/t/c-files-always-opening-in-a-new-window-in-vscode-mac/1717231)

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**Author:** [@SpaceToastDotNet](https://discussions.unity.com/u/SpaceToastDotNet)\
**Replies:** 2\
**Last updated:** [April 20, 2026, 12:14pm UTC](https://discussions.unity.com/t/c-files-always-opening-in-a-new-window-in-vscode-mac/1717231 "2026-04-20T12:14:04Z")

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I saved some Workspace files for my different projects, to avoid having multiple VSCode windows open at all times. Now, every time I open a .cs file from the Unity Editor, even with the correct Workspace open, VSCode ope…

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## [Intellisense not working for Visual Studio Code](https://discussions.unity.com/t/intellisense-not-working-for-visual-studio-code/773026)

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**Author:** [@stpaulgym](https://discussions.unity.com/u/stpaulgym)\
**Replies:** 130\
**Last updated:** [April 19, 2026, 7:02pm UTC](https://discussions.unity.com/t/intellisense-not-working-for-visual-studio-code/773026 "2026-04-19T19:02:52Z")

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Operating System: Windows 10 Problem: Intellisense and Autocomplete not working for VScode. Opening c# script within the editor opens VSCode. However, VScode Doesn’t automatically open a project folder. Programs and …

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## [VsCode Intellisense not working](https://discussions.unity.com/t/vscode-intellisense-not-working/1683100)

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**Author:** [@Bitterman1021](https://discussions.unity.com/u/Bitterman1021)\
**Replies:** 5\
**Last updated:** [April 18, 2026, 2:53pm UTC](https://discussions.unity.com/t/vscode-intellisense-not-working/1683100 "2026-04-18T14:53:10Z")

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Hello! So I’m having issues with getting the intellisense for VsCode working. I have tried everything I’ve seen online (Reloading project files, Switching to different editor then switching back, ect) and nothing has wo…

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## [VSCODE NUnit tests integration](https://discussions.unity.com/t/vscode-nunit-tests-integration/1716060)

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**Author:** [@mGMM](https://discussions.unity.com/u/mGMM)\
**Replies:** 1\
**Last updated:** [April 10, 2026, 3:16pm UTC](https://discussions.unity.com/t/vscode-nunit-tests-integration/1716060 "2026-04-10T15:16:54Z")

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Has anyone been able to get NUnit tests to be detected and debuggable in VS Code? This works out of the box in JetBrains Rider. The C# language server works, and I’m able to go to reference on everything including both U…

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## [Expose .sln and .csproj generation](https://discussions.unity.com/t/expose-sln-and-csproj-generation/892301)

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**Author:** [@liortal](https://discussions.unity.com/u/liortal)\
**Replies:** 21\
**Last updated:** [April 9, 2026, 5:25am UTC](https://discussions.unity.com/t/expose-sln-and-csproj-generation/892301 "2026-04-09T05:25:02Z")

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Unity automatically generates .sln and .csproj files for the code files inside the project. This is OK if you’re just using the editor, but limits the ability to interoperate and use external tools to process your code. …

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## [How can I connect my Arduino Mega Board to Unity on my Mac?](https://discussions.unity.com/t/how-can-i-connect-my-arduino-mega-board-to-unity-on-my-mac/1714784)

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**Author:** [@annaljbs](https://discussions.unity.com/u/annaljbs)\
**Replies:** 2\
**Last updated:** [March 31, 2026, 11:58am UTC](https://discussions.unity.com/t/how-can-i-connect-my-arduino-mega-board-to-unity-on-my-mac/1714784 "2026-03-31T11:58:19Z")

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Hello there! Hope here are some Macbook Users which can help with my Problem. I connected my Arduino Board with two Buttons to my Macbook Pro, by running the Code in the Arduino IDE the Buttons do work and by pressing …

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## [Rider do not analyze code, for Packages folder (embedded packages)](https://discussions.unity.com/t/rider-do-not-analyze-code-for-packages-folder-embedded-packages/944099)

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**Author:** [@yanard18](https://discussions.unity.com/u/yanard18)\
**Replies:** 8\
**Last updated:** [March 24, 2026, 8:34pm UTC](https://discussions.unity.com/t/rider-do-not-analyze-code-for-packages-folder-embedded-packages/944099 "2026-03-24T20:34:35Z")

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Hey, I was trying to learn creating custom packages, and I moved my code from Assets folder to Packages folder. After this transfer, I realized that Rider is not analyzing the code. Even if I try to enable the highlig…

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## [Continue at my own risk?](https://discussions.unity.com/t/continue-at-my-own-risk/1597990)

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**Author:** [@Rachan](https://discussions.unity.com/u/Rachan)\
**Replies:** 16\
**Last updated:** [March 23, 2026, 4:46pm UTC](https://discussions.unity.com/t/continue-at-my-own-risk/1597990 "2026-03-23T16:46:47Z")

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Hi there! this dialog box always showing when I open my project with Unity 6 Why need to asking everytime? if you have to ask everytime becasue of some issue that you can’t handdle it, but Unity previous version d…

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## [Intellisense Not Working with Visual Studio (Fix)](https://discussions.unity.com/t/intellisense-not-working-with-visual-studio-fix/778503)

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**Author:** [@DavidG\_Fenex](https://discussions.unity.com/u/DavidG_Fenex)\
**Replies:** 349\
**Last updated:** [March 20, 2026, 9:19am UTC](https://discussions.unity.com/t/intellisense-not-working-with-visual-studio-fix/778503 "2026-03-20T09:19:00Z")

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Likely, if you have appeared here to this page you are having the problem I had for the past hour or so. Intellisense is not working in Visual Studio. Well lucky for you, I figured out the solution to fix this issue afte…

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## [Support for Cursor AI IDE?](https://discussions.unity.com/t/support-for-cursor-ai-ide/1635253)

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**Author:** [@Maria\_Tonia](https://discussions.unity.com/u/Maria_Tonia)\
**Replies:** 19\
**Last updated:** [March 11, 2026, 9:29pm UTC](https://discussions.unity.com/t/support-for-cursor-ai-ide/1635253 "2026-03-11T21:29:54Z")

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Hi there, am i correct that there is no full support of the fantastic Cursor AI IDE there yet? (search here didn’t list any hits) I should be easy as it is based on VS Code; i found a Plugin on the web for it, but i wo…

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## [Scripts opening in new instances of Visual Studio (macOS)](https://discussions.unity.com/t/scripts-opening-in-new-instances-of-visual-studio-macos/1709489)

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**Author:** [@protopop](https://discussions.unity.com/u/protopop)\
**Replies:** 5\
**Last updated:** [February 20, 2026, 6:37am UTC](https://discussions.unity.com/t/scripts-opening-in-new-instances-of-visual-studio-macos/1709489 "2026-02-20T06:37:02Z")

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I’m running into an issue with Unity 6.3 LTS (6000.3.9f1) on macOS where double-clicking a C# script opens a new instance of Visual Studio instead of a new tab in the existing window. The Details: Preferences: The Exte…

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## [Local packages break Visual Studio Refactoring features like "Move type to"](https://discussions.unity.com/t/local-packages-break-visual-studio-refactoring-features-like-move-type-to/1503283)

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**Author:** [@julienkay](https://discussions.unity.com/u/julienkay)\
**Replies:** 5\
**Last updated:** [February 16, 2026, 12:29pm UTC](https://discussions.unity.com/t/local-packages-break-visual-studio-refactoring-features-like-move-type-to/1503283 "2026-02-16T12:29:16Z")

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Whenever I’m developing a Unity package I use local packages as outlined in the documentation: Unity - Manual: Creating custom packages Sometimes I want to extract a class into it’s own file using the Visual Studio refa…

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## [Unity 6.0 toolbar does not go back to default](https://discussions.unity.com/t/unity-6-0-toolbar-does-not-go-back-to-default/1708820)

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**Author:** [@anthony\_123](https://discussions.unity.com/u/anthony_123)\
**Replies:** 4\
**Last updated:** [February 15, 2026, 2:33am UTC](https://discussions.unity.com/t/unity-6-0-toolbar-does-not-go-back-to-default/1708820 "2026-02-15T02:33:00Z")

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Google search says to reset the window layout go to window, layouts, default. This resets the tabs layout, but the toolbars in the scene tab are left the same.

[Next page](https://discussions.unity.com/tag/code-editors-and-ides/159372.md?match_all_tags=true&page=1&tags%5B%5D=Code-Editors-and-IDEs)
