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What's New in Visual Studio 2019

Visual Studio 2019 Releases

Visual Studio 2019 Blog

The Visual Studio 2019 Blog is the official source of product insight from the Visual Studio Engineering Team. You can find in-depth information about the Visual Studio 2019 releases in the following posts:


Release Notes Icon Visual Studio 2019 version 16.1.3 New release icon

released June 11, 2019

Summary of issues addressed in Visual Studio 2019 version 16.1.3New release icon


Release Notes Icon Visual Studio 2019 version 16.1.2 released June 4, 2019

Summary of issues addressed in Visual Studio 2019 version 16.1.2


Release Notes Icon Visual Studio 2019 version 16.1.1

released May 24, 2019

Summary of Issues addressed in Visual Studio 2019 version 16.1.1


Release Notes Icon Visual Studio 2019 version 16.1

released May 21, 2019

Summary of What's New in Visual Studio 2019 version 16.1

IDE

  • Visual Studio IntelliCode is now generally available and comes installed with any workload that supports C#, C++, TypeScipt/JavaScript, or XAML.
  • Added Per-Monitor Awareness support.
  • New codefixes are available for C#.
  • Most Recently Used has been added to Visual Studio Search.

Debugger

  • Source Link authentication improvements have been implemented.
  • Added nuget.org symbol server to the list of default symbol servers.
  • Time Travel Debugging preview now includes exception stepping support.

Extensibility

  • Removed the need for .resx file in VSIX projects (BuildTools update).
  • VSIX Project template now uses the new SDK version.

Performance

  • User optimization experience to improve the solution load time of very large solutions.
  • Template authors can add custom tags to their templates.
  • CodeLens support for custom UI.
  • Provided updates to Language Server Protocol implementation.
  • Updated behavior for switching between solutions, folders, and other views.

C++

F#

.NET

  • New .NET productivity features include one-click code cleanup on projects and solutions, a new toggle block comment keyboard shortcut, refactoring to move types to other namespaces.
  • Users can now clone code from an SSH URI through the clone screen in the start window.
  • Additions to .NET Productivity include intellisense completion for unimported types, toggling single-line comment/uncomment, exporting naming styles to editorconfig, and a new code style setting for preferring usings inside/outside namspaces.
  • Implemented .NET SDK tooling additions around supporting WinForms and WPF projects for .NET Core 3.0 along with bug fixes and performance improvements.
  • Visual Studio SDK v16.0 released to NuGet.
  • Released a preview of the XAML Designer for .NET Core 3.0 WPF development.

Xamarin

Top Issues Fixed in Visual Studio 2019 version 16.1

Details of What's New in Visual Studio 2019 version 16.1

  • IntelliCode is now generally available and comes installed with any workload that supports C#, C++, TypeScipt/JavaScript, or XAML.
  • Preview IntelliCode features - Custom Models, C++/TS/JS support, and Editorconfig inference - are disabled by default. To enable them, go to Tools > Options > IntelliCode.
  • Removed the Editorconfig (IntelliCode) template from the New Item Wizard. To create an inferred Editorconfig, right-click on the desired location in Solution Explorer and choose Add > New EditorConfig (IntelliCode).
  • Use the start window to clone code from an online repository through SSH.
Clone with SSH on start window
Clone with SSH on start window
  • Visual Studio IntelliCode is installed by default when you install a workload that supports C#, XAML, or C++.
    • C# and XAML base models will be on by default.
    • Preview features, such as custom model training and argument completion, can be enabled via Tools > Options > IntelliCode.
  • Added Per-Monitor Awareness support
  • New codefixes available for C#.
  • Added Per-Monitor Awareness support for WinForms based PropertyBrowser window of Visual Studio. Requires .NET Framework 4.8 RTM version installed on the machine.
  • Source Link can now use Windows Authentication to support on-premises TFS Source Control.
  • Added nuget.org symbol server to the list of default symbol servers

Project

  • The button for switching the Solution Explorer view will now consistently shows a dropdown menu of all possible views.
Solution switching
Solution view switching
  • Improved the loading time for very large solutions. The improvement varies based on the size of the solutions.

  • Removed the Convert dialog under File > Convert. This feature was previously deprecated in Visual Studio 2015.

  • Updated the validation rules for the task.vs.json and launch.vs.json schemas, and added descriptions for the properties.

  • Added support for Linux remote debugging using a custom program via launch.vs.json.

Extensibility

  • Users can now use the latest version of the Microsoft.VisualStudio.SDK to target Visual Studio 2019 in your extensions. Remember to only use this version of the SDK if the lowest supported version of Visual Studio is 16.0.
  • Creating new VSIX projects will now contain the 16.0 version of the the Microsoft.VisualStudio.SDK NuGet package.
  • Users can now add tags to your project templates to enable categorization and filtering in the Visual Studio 2019 New Project Dialog. Users can also choose from the built-in tags or their own custom language, platform, and project type tags.
Template tagging
Template tagging
  • CodeLens extensions can now display arbitrary UI content in their CodeLens details popup.

  • Updated Language Server Protocol with:

    • Support for projected buffers to enable LSP for inline diff, and Razor files in LiveShare.
    • Support for unnecessary diagnostics.
    • Support for textDocument/typeDefinition.
    • Support for textDocument/foldingRange (outlining).
  • Removed the need for .resx file in VSIX projects (BuildTools update)

  • The Microsoft.VSSDK.BuildTools NuGet package will now provide an empty .resx file as part of the build if no .resx with MergeWithCTO property exist. Most extensions don't use or need a .resx file to merge, so this will keep the project cleaner.

  • Per-monitor awareness changes might affect some extensions. Learn more about Per-Monitor Awareness support for Visual Studio extenders.

Editor

  • Visual Studio Search will now display on focus the three most recently used actions invoked through Visual Studio Search, as shown in this sample mockup. (Note: icons and specific line items have not been fully updated in this mock-up.)
Visual Studio Search
Mock-up of Visual Studio Search

C++

  • Use local Windows Subsystem for Linux (WSL) installation with C++ natively in Visual Studio without additional configuration or SSH connection.
Windows Subsystem for Linux
Windows Subsystem for Linux
  • AddressSanitizer is now integrated into Visual Studio for Linux projects and WSL.
ASan integration
ASan integration
  • Users can now separate remote build machines from remote debug machines when targeting Linux in both MSBuild and CMake projects.
  • Quick Info tooltips now contain a link to search for online docs to learn more about the code construct. In the case of red-squiggled code, the link in Quick Info will search for the error online.
  • Code within Quick Info tooltips is now colorized to reflect its colorization in the editor.
Colorized code in Quick Info tooltips
Colorized code in Quick Info tooltips
New Code Analysis quick fixes
New Code Analysis quick fixes
  • Improvements to the CMake Settings Editor, including support for Windows Subsystem for Linux (WSL) and configurations from existing caches, changes to the default build and install roots, and support for environment variables in Linux CMake configurations.
Improvements to the CMake Settings Editor
Improvements to the CMake Settings Editor
  • Improved logging for remote connections makes it easier to diagnose issues with cross-platform development.
Improved logging for remote connections
Improved logging for remote connections
  • You can now separate your remote build machine from your remote debug machine when targeting Linux (specific to MSBuild projects, coming soon for CMake).
  • The Template Bar can populate the dropdown menu based on instantiations of that template in your codebase.
New Template Bar dropdown menu
New Template Bar dropdown menu
  • C++ IntelliCode now ships in-box and can be enabled under Tools > Options > IntelliCode > General. This version of IntelliCode has improved accuracy and includes support for free-functions.
  • CMake integration now supports the Clang/LLVM toolchain for projects targeting Windows and/or Linux. You can now build, edit, and debug CMake projects that use either Clang, MSVC, or GCC.
CMake integration supports the Clang/LLVM toolchain
CMake integration supports the Clang/LLVM toolchain
  • Lightbulbs for missing #includes that can be installed by vcpkg, and autocompletion of available packages for the CMake find_package directive.
Autocompletion of available packages
Autocompletion of available packages
  • Updated the CMake version that ships with Visual Studio to 3.14. This version adds built-in support for MSBuild generators targeting Visual Studio 2019 projects as well as file-based IDE integration APIs.

  • The General Property Pages for C++ projects has been revised, splitting out some options under a new Advanced page. The Advanced page also includes additional properties for preferred toolset architecture, debug libraries, the MSVC toolset minor version, and Unity (jumbo) builds.

  • The following C++20 preview features have been added to our implementation of the C++ Standard Library, available under /std:c++latest:

    • starts_with() and ends_with() for basic_string/basic_string_view.
    • contains() for associative containers.
    • remove(), remove_if(), and unique() for list and forward_list now return size_type.
    • shift_left() and shift_right() added to <algorithm>.
  • The following C++20 preview features have been implemented in the C++ compiler, available under /std:c++latest:

    • Increased ability to find function templates via argument-dependent lookup for function call expressions with explicit template arguments (P0846R0).
    • Designated initialization (P0329R4), which allows specific members to be selected in aggregate initialization, e.g. using the Type t { .member = expr } syntax.
  • Lambda support has been overhauled, addressing a large number of long-standing bugs. This change is enabled by default when using /std:c++latest. In other /std:c++* language modes and under the default mode, the new parser can be enabled via /experimental:newLambdaProcessor, e.g. /std:c++17 /experimental:newLambdaProcessor.

  • In-editor documentation for CMake

  • Completions and quick info for built-in CMake commands, variables, and properties make it easier to edit your CMakeLists.txt files.

Tooltip info for add_subdirectory CMake command
Tooltip info for add_subdirectory CMake command

F# and F# tools

This is a relatively minor release for the F# language and tools, but it's not without some goodies! As with the VS 16.0 update, this release also focused on performance of editor tooling.

F# compiler and F# interactive
  • Added P/Invoke support to F# interactive on .NET Core (#6544)
  • Added a compiler optimization for Span<'T> when used in a for loop (#6195)
  • Added an optimization to avoid an extraneous Some allocations for F# options in various scenarios (#6532)
  • Changed the execution order of expressions used in the instantiation of Anonymous Records to be top-to-bottom, rather than alphabetical, to match the current experience with normal Records (#6487)
  • A bug where very large literal expressions or very large struct declarations could cause the compiler to stack overflow on build has been resolved (#6258)
  • A bug where breakpoints would no longer trigger when debugging a function with an Anonymous Records has been fixed (#6512)
  • A bug where Anonymous Records passed to constructs expecting an obj parameter caused a compiler crash has been fixed (#6434)
  • A bug where for var expr1 to expr2 do ... loops could result in bizarrely valid (and discarded) syntax has been fixed (#6586)
  • A bug where Anonymous Records could not be used properly with events has been fixed (#6572)
  • A longstanding bug where extremely large generated parsers in FsLexYacc (over 100 million lines) has been resolved (#5967
  • A longstanding issue in the Type Provider plugin component of the compiler that could leave the door open for a memory leak caused by a type provider has been resolved (#6409)
  • Support for --pathmap was added to the F# compiler by Saul Rennison, which resolves an issue where the resulting executable from a compilation would include absolute paths to source files in the embedded F# signature file resource (#5213)
  • An optimization to the F# AST that improves its consumption via other tools and enviroments (e.g., Fable) has been added by ncave (#6333)
  • An optimization around traversing information when resolving members has been added by Steffen Forkmann (#4457)
  • An improvement to error messages such that when a type implementation is missing necessary overrides a list of those missing overrides is reported has been added by Gauthier Segay (#4982)
F# tools
  • The Target Framework dropdown for F# projects in the .NET SDK will now include values for all available .NET Core, .NET Standard, and .NET Framework values to ease migrating to .NET Core from .NET Framework on the .NET SDK
  • A bug where renaming generic type parameters produces double backtick-escaped names has been fixed (#5389)
  • A longstanding problem where Type Providers were redundantly reinstantiated, causing massive allocations over time, has been resolved (#5929)
  • A longstanding issue where reading IL needlessly allocated 20MB over a short period of time was been resolved (#6403)
  • A bug where the method GetToolTipText in the F# compiler service could show the same XML signature for several member overloads has been resolved by Vasily Kirichenko (#6244)
F# open source infrastructure

Finally, we improved the contribution experience by doing the following:

  • Completed our build from source process so that the F# compiler and core library can be built with the .NET Core source build repository
  • Removed our dependency on netstandard1.6 so that the entire codebase uniformly targets netstandard2.0 and net472
  • Added a .vsconfig file to the root of the repository so that contributors using Visual Studio don't have to know everything that needs installing up front
  • Rewrote our project's README to remove potentially confusing information, include a quickstart for getting started with contributing, and attempting to be more inclusive in our messaging about the kinds of changes we'd love to take

.NET Productivity

  • There is now experimental intellisense completion for unimported types! Uers now receive intellisense suggestions for types in dependencies in projects even if they have not yet added the import statement to the file. Turn this option on in Tools > Options > Text Editor > C# > Intellisense.
Intellisense completion for unimported types
Intellisense completion for unimported types
  • Toggle Single Line Comment/Uncomment is now available through the keyboard shortcut (Ctrl+K,/). This command will add or remove a single line comment depending on whether your selection is already commented.
  • Ability to export naming styles with the “Generate editorconfig” button located in Tools > Options > Text Editor > C# > Code Style.
  • Ability to use a new editorconfig code style rule to require or prevent usings inside a namespace. This setting will also be exported when using the “Generate editorconfig” button located in Tools > Options > Text Editor > C# > Code Style.
Editorconfig rule for usings outside/inside namespaces
Editorconfig rule for usings outside/inside namespaces
Tools Options setting for usings inside/outside namespace
Tools Options setting for usings inside/outside namespace
  • The Find All References “Kind” column now has more filter options and is aware of namespaces and types.
Find All References Kind column has more filter options
Find All References Kind column has more filter options
  • Added a codefix for split/merge if statements.
Split or merge if statements
Split or merge if statements
  • Added a codefix for wrapping binary expressions.
Wrap binary expressions
Wrap binary expressions
  • A regex completion list can now be accessed through the intellisense menu (Ctrl + space) when inside a regex string. These completions also include an in-line description of what the suggestion does.
Regex completion offered in Intellisense with (Ctrl + space)
Regex completion
  • Added a codefix for unsealing a class.
Unseal a class codefix
Unseal a class
  • Use one-click code cleanup for projects and solutions. Right-click on projects or the solution in the Solution Explorer and select ‘Run Code Cleanup’.
Right-click to run code cleanup over the entire solution
Right-click to run code cleanup over the entire solution
You will see a dialog box while cleanup is applied to each file
A dialog is present box while cleanup is applied to each file
  • Now use a refactoring dialog to move type to namespace or folder. Place your cursor in the class name and type (Ctrl + .) to open the quick actions and refactorings menu and select ‘Move to namespace.’ This launches a dialog where you can select the target namespace you would like to move the type to.
Place cursor in class name and type (Ctrl+.) to view refactorings
Place cursor in class name and type (Ctrl+.) to view refactorings
Select the destination namespace
Select the destination namespace
  • Toggle Block Comment/Uncomment is now available through the keyboard shortcut (Ctrl+Shift+/) or through Edit > Advanced > Toggle Block Comment. This command will add or remove block comments depending on what you have selected.
Toggle block comment with (Ctrl+Shift+/)
Toggle block comment with (Ctrl+Shift+/)
  • There is now a codefix for making readonly struct fields writable. Place your cursor in the struct name, type (Ctrl+.) to open the quick actions and refactorings menu, and select ‘Make readonly fields writable.’
  • The codefix to add a private field from a constructor and vice versa is easier to discover and will show when any portion of the field name is selected. This refactoring now also offers all possible constructors.

XAML Designer Preview for .NET Core 3.0 WPF development

  • There is an early preview of the XAML Designer for developers building .NET Core 3.0 WPF applications in Visual Studio. Many design-time features will be unavailable at this time. Since this is an early preview, if you encounter issues such as crashes, please submit Visual Studio feedback for the team to improve the experience going forwards.
  • With each update to Visual Studio 2019, we will continue implementing more of the features that were previously available in the XAML Designer for .NET Framework WPF applications.

.NET SDK tooling

This release included a lot of work to unblock the use of WPF on .NET Core:

  • An issue where an error dialog popped up whenever you add a new item to a .NET Core WinForms or WPF project was been resolved (#4486).
  • Support for XAML files in .NET SDK projects (#1467) which includes many smaller items of work aimed at achieving experience parity with old-style .NET projects.
  • Context menu item support for WinForms on .NET Core (#137): Windows Form, User Control, Component, and Class.
  • Context menu item support for WPF on .NET Core (#137): Window, Page, User Control, Resource Dictionary.
  • The Data Sources window is now enabled for .NET SDK projects, enabling common data management scenarios for WinForms (#4479.

Separately, a variety of other fixes were added in this release:

  • .NET SDK projects now support .razor files (#4468).
  • Accessible help text was added to the Debug property page, allowing it to be read by screen readers (#4568).
  • We added a setting that allows you to disable double-click to open a project file (#4493).
  • The context menu option to edit a project file no longer includes the project name, fixing an issue where the context menu could get too wide due to a very long project name (#1492).
  • A bug where creating a Data Source with the Data Binding UI created two .datasource fileas has been fixed (#4485).
  • A bug where using linked files could cause the up-to-date checker to fail has been resolved (#4580).
  • A variety of bugs involving package resolution and the display of their resolved/unresolved state in the Dependencies node have been fixed (#2924,#4577).

You can see a full list of closed issues by going to the 16.1 milestone on GitHub.

Xamarin

  • Updated the default Android Experience to API 28 for templates, device creation, installers, and more.
  • IntelliSense on Windows now shows recommendations for design-time attributes when writing Xamarin.Forms XAML.

Known Issues

See all issues and available workarounds in Visual Studio 2019 version 16.1 by following the below link.

Visual Studio 2019 Known Issues


Feedback

We would love to hear from you! For issues, let us know through the Report a Problem option in the upper right-hand corner of either the installer or the Visual Studio IDE itself. The Feedback Icon icon is located in the upper right-hand corner. You can make a product suggestion or track your issues in the Visual Studio Developer Community, where you can ask questions, find answers, and propose new features. You can also get free installation help through our Live Chat support.


Blogs

Take advantage of the insights and recommendations available in the Developer Tools Blogs site to keep you up-to-date on all new releases and include deep dive posts on a broad range of features.


Visual Studio 2019 Release Notes History

For more information relating to past versions of Visual Studio 2019, see the Visual Studio 2019 Release Notes History page.


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