Colored bars appeared in my Visual Studio 2012 next to line numbers

Today, when I started Visual Studio 2012 at work, I found some new color bars.

We are working on a shared remote server through RDP, so I asked if someone installed or updated something. Nobody seems to have done "nothing."

There are bars that I see:

A screenshot of the bars.

The leftmost bars, green and yellow, I know. They show where the file has been edited since it was opened (yellow means that the changes have not yet been saved, green means that they were saved).

Rightmost, I lost them. It seems that they usually reflect the leftmost, but not always. They are saved through a file that is closed again.

Through some mastering, it seems that green rectangles mean adding new lines, blue rectangles mean existing lines, and red triangles mean deleted lines.

This is the Visual Studio About Window Information Form:

Microsoft Visual Studio Premium 2012 Version 11.0.60315.01 Update 2 Microsoft .NET Framework Version 4.5.50709 Installed Version: Premium LightSwitch for Visual Studio 2012 04941-004-0044006-02568 Microsoft LightSwitch for Visual Studio 2012 Office Developer Tools 04941-004-0044006-02568 Microsoft Office Developer Tools Team Explorer for Visual Studio 2012 04941-004-0044006-02568 Microsoft Team Explorer for Visual Studio 2012 Visual Basic 2012 04941-004-0044006-02568 Microsoft Visual Basic 2012 Visual C# 2012 04941-004-0044006-02568 Microsoft Visual C# 2012 Visual C++ 2012 04941-004-0044006-02568 Microsoft Visual C++ 2012 Visual F# 2012 04941-004-0044006-02568 Microsoft Visual F# 2012 Visual Studio 2012 Code Analysis Spell Checker 04941-004-0044006-02568 Microsoft® Visual Studio® 2012 Code Analysis Spell Checker Portions of International CorrectSpell™ spelling correction system © 1993 by Lernout & Hauspie Speech Products NV All rights reserved. The American Heritage® Dictionary of the English Language, Third Edition Copyright © 1992 Houghton Mifflin Company. Electronic version licensed from Lernout & Hauspie Speech Products NV All rights reserved. Visual Studio 2012 SharePoint Developer Tools 04941-004-0044006-02568 Microsoft Visual Studio 2012 SharePoint Developer Tools Git Source Control Provider 1.0.0.0 JetBrains ReSharper 7.0.1 C# Edition build 7.0.1098.2760 on 2012-08-27T14:31:12 JetBrains ReSharper 7.0.1 package for Microsoft Visual Studio. For more information about ReSharper, visit http://www.jetbrains.com/resharper/. Copyright © 2003–2013 JetBrains, Inc. JetBrains TeamCity Addin 7.1 build 7.1.667.137 on 2013-02-05T12:20:56 [Not Loaded] JetBrains TeamCity Addin 7.1 package for Microsoft Visual Studio. For more information about TeamCity, visit http://www.jetbrains.com/teamcity/. Copyright © 2000–2013 JetBrains, Inc. NuGet Package Manager 2.2.40116.9051 NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/. PreEmptive Analytics Visualizer 1.0 Microsoft Visual Studio extension to visualize aggregated summaries from the PreEmptive Analytics product. SQL Server Data Tools 11.1.20627.00 Microsoft SQL Server Data Tools StyleCop 4.7.41.0 Provides source code style and consistency tools. See http://www.stylecop.codeplex.com/ for more details. Web Developer Tools 1.2.40308.0 Microsoft Web Developer Tools contains the following components: Page Inspector: Tool that offers an efficient way to decompose Web Applications and diagnose front-end issues. Web Publishing: Extensions required for Web Publishing for both hosted servers as well as on premises. Web Form Templates: Includes the default templates for Web Form Applications. Editor Extensions: Includes HTML, CSS, and JS editor extensions that greatly enhance the development experience. Git source control provider Demo. 

I have these extensions installed:

The list of installed extensions.

Can someone shed some light on this, and how can I turn them off? My OCD complains about conflicting information ...

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2 answers

They come from the GIT source management provider . I assume that your project is versioned, so these bars provide you with information about lines that are somehow changed, and what is the nature of the changes.

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Go to the "Edit" menu. Advanced / View White Space Ctrl + E, S

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