With an all-new design that looks great on macOS Big Sur, Xcode 12 has customizable font sizes for the navigator, streamlined code completion, and new document tabs. Xcode 12 builds Universal apps by default to support Mac with Apple Silicon, often without changing a single line of code.
Designed for macOS Big Sur.
Xcode 12 looks great on macOS Big Sur, with a navigator sidebar that goes to the top of the window and clear new toolbar buttons. The navigator defaults to a larger font that’s easier to read, while giving you multiple size choices. New document tabs make it easy to create a working set of files within your workspace.
Document tabs.
The new tab model lets you open a new tab with a double-click, or track the selected file as you click around the navigator. You can re-arrange the document tabs to create a working set of files for your current task, and configure how content is shown within each tab. The navigator tracks the open files within your tabs using strong selection.
Navigator font sizes.
The navigator now tracks the system setting for “Sidebar icon size” used in Finder and Mail. You can also choose a unique font size just for Xcode within Preferences, including the traditional dense information presentation, and up to large fonts and icon targets.
I am getting the errors and one of the fix for 2 of the issues requires the use of an application called flat Package Editor. I have tried to get this, but it would seem you need to be a registered developer to obtain this software. Flat assembler 1.73.25 for Windows size: 1036 kilobytes last update: 15 Oct 2020 14:00:22 UTC: Apart from the command line version for Windows console this package contains the one with integrated syntax-highlighting editor, so you can edit, compile and execute your programs from one place.
Code completion streamlined.
A new completion UI presents only the information you need, taking up less screen space as you type. And completions are presented much faster, so you can keep coding at maximum speed.
Redesigned organizer.
An all-new design groups all critical information about each of your apps together in one place. Choose any app from any of your teams, then quickly navigate to inspect crash logs, energy reports, and performance metrics, such as battery consumption and launch time of your apps when used by customers.
SwiftUI
SwiftUI offers new features, improved performance, and the power to do even more, all while maintaining a stable API that makes it easy to bring your existing SwiftUI code forward into Xcode 12. A brand new life cycle management API for apps built with SwiftUI lets you write your entire app in SwiftUI and share even more code across all Apple platforms. And a new widget platform built on SwiftUI lets you build widgets that work great on iPad, iPhone, and Mac. Your SwiftUI views can now be shared with other developers, and appear as first-class controls in the Xcode library. And your existing SwiftUI code continues to work, while providing faster performance, better diagnostics, and access to new controls.
Universal app ready.
Xcode 12 is built as a Universal app that runs 100% natively on Intel-based CPUs and Apple Silicon for great performance and a snappy interface.* It also includes a unified macOS SDK that includes all the frameworks, compilers, debuggers, and other tools you need to build apps that run natively on Apple Silicon and the Intel x86_64 CPU.
Updated automatically
When you open your project in Xcode 12, your app is automatically updated to produce release builds and archives as Universal apps. When you build your app, Xcode produces one binary “slice” for Apple Silicon and one for the Intel x86_64 CPU, then wraps them together as a single app bundle to share or submit to the Mac App Store. You can test this at any time by selecting “Any Mac” as the target in the toolbar.
Test multiple architectures.
On the new Mac with Apple Silicon, you can run and debug apps running on either the native architecture or on Intel virtualization by selecting “My Mac (Rosetta)” in the toolbar.
Multiplatform template
New multiplatform app templates set up new projects to easily share code among iOS, iPadOS, and macOS using SwiftUI and the new lifecycle APIs. The project structure encourages sharing code across all platforms, while creating special custom experiences for each platform where it makes sense for your app.
Improved auto-indentation
Swift code is auto-formatted as you type to make common Swift code patterns look much better, including special support for the “guard” command.
StoreKit testing
New tools in Xcode let you create StoreKit files that describe the various subscription and in-app purchase products your app can offer, and create test scenarios to make sure everything works great for your customers — all locally testable on your Mac.
Get started.
Download Xcode 12 and use these resources to build apps for all Apple platforms.
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Get the Preview
Important
Get the Preview of Visual Studio 2019 for Mac by updating to the Preview channel.
This release is not 'go-live' and not intended for use on production computers or for creating production code.
To learn more about Visual Studio for Mac, see Mac System Requirementsand Mac Platform Targeting and Compatibility.
To learn more about other related downloads, see the Downloads page.
What's New in 8.8 Preview
Visual Studio 2019 for Mac version 8.8 Preview Releases
- October 27, 2020 – Visual Studio 2019 for Mac version 8.8 Preview 6
- October 20, 2020 – Visual Studio 2019 for Mac version 8.8 Preview 5
- October 13, 2020 – Visual Studio 2019 for Mac version 8.8 Preview 4
- September 14, 2020 – Visual Studio 2019 for Mac version 8.8 Preview 3
- August 25, 2020 – Visual Studio 2019 for Mac version 8.8 Preview 2
- August 5, 2020 – Visual Studio 2019 for Mac version 8.8 Preview 1
Release Highlights
- Visual Studio for Mac 8.8 Preview 4 adds preview support for Custom .NET Core templates added with
dotnet new
(Preview features can be enabled in Preferences > Other > Preview Features). - Visual Studio for Mac 8.8 Preview 2 adds support for debugging Blazor WebAssembly projects.
- Visual Studio for Mac 8.8 Preview 2 adds support for accessing Azure DevOps NuGet package sources using the signed in account without the need to use a personal access token (PAT).
- Visual Studio for Mac 8.8 Preview 1 or newer now support running on the macOS Big Sur developer preview. See Known Issues for additional information.
- We added functionality to Visual Studio for Mac to warn users when low disk space will degrade the experience.
Known Issues
Refer to the Known Issues section.
Feedback & Suggestions
We would love to hear from you! You can report a problem through the Report a Problem option in Visual Studio for Mac IDE.You can track your feedback, including suggestions, in the Developer Community portal.
Release Notes
Visual Studio 2019 for Mac version 8.8 Preview 6 (8.8.0.2899)
released October 27, 2020
Project System
- We updated MSBuild to 16.8 RC2.
Shell and Tools
- We fixed an issue where it was not possible to type (special) characters in the VS console while pressing the option-key.
- We fixed an issue where alerts were not clickable with the mouse on macOS Big Sur.
Source Code Editing
- We fixed an issue with YAML support.
Version Control
- We fixed an issue where an error was shown after copying a file if Git was not installed.
- We fixed an issue where deleting a new file under a newly added folder deleted the empty folder as well.
Web and Azure
- We fixed an issue where IntelliSense shows the OpenAPI client after the OpenAPI service was removed.
- We updated .NET Core to 5.0 RC2.
Xamarin
- We added support for Xcode 12.1.
Visual Studio 2019 for Mac version 8.8 Preview 5 (8.8.0.2829)
released October 20, 2020
Shell and Tools
- We updated NuGet to 5.8 RC.
Source Code Editing
- We fixed an issue where EventHandler completion didn't work.
Web and Azure
- We fixed an issue where an invalid development certificate caused an unrecoverable hang.
- We updated .NET Core to 3.1.403 and 2.1.811
Xamarin
- The Android SDK manager will now prompt to install Android API 28 if it is not already installed to ensure compatibility with the Xamarin.Forms templates.
Visual Studio 2019 for Mac version 8.8 Preview 4 (8.8.0.2811)
released October 13, 2020
Debugger
- We fixed a potential crash/hang after terminating the debugger.
- We fixed an issue where local variables were not evaluated when debugging a Blazor application with .NET 5.
Project System
- We fixed an issue where the Android build process never stops.
- We fixed an issue where renaming a file with 'Show All Files' enabled in the Solution window added the file twice and might have caused a hang.
- We fixed an issue with VS for Mac setting a different FrameworkSDKRoot.
- We fixed an issue where creating a new project folder with a single character failed with an error.
Shell and Tools
- We replaced the 'Pad' terminology with 'Tool Window' throughout the IDE and updated the top-level View menu.
- We fixed an issue where the content of the 'Reference' dialog was not announced in proper sequence with VoiceOver.
- We fixed a potential hang in the Assembly Browser.
- We fixed an issue with encoding inside the integrated Terminal.
- We fixed an issue where 'Find' in the 'Replace in Files' dialog replaced the found text.
- We fixed an issue where Searching in a Directory failed after the second use.
![Flat Flat](/uploads/1/2/7/7/127761891/597067578.png)
Source Code Editing
- We fixed an issue where Design-time error highlighting and Quick Fix suggestions stopped working.
- We fixed an issue with Red underlines not being shown on syntax errors.
- We fixed an issue where inserting code snippets into a C# file failed.
Test Tools
- We fixed an issue where Running unit tests from the context menu was way slower than from the Unit Tests pad.
Version Control
- We fixed an issue where the Git configuration dialog blocked use of the IDE and could not be closed.
- We fixed an issue where the status of a copied then pasted file was not updated properly.
Web and Azure
- We have added a preview support for Custom .NET Core templates added with
dotnet new
. - We fixed an issue where a Blazor WebAssembly project was not recognized as such with .NET 5 and the Browser selection was missing.
- We have updated the .NET Core SDK to 3.1.402.
Xamarin
- We fixed an issue where the target framework of a Xamarin.Mac full framework project kept switching back to Xamarin.Mac Modern.
- We fixed an issue where VS for Mac was removing some default properties from Xamarin.Android projects.
Visual Studio 2019 for Mac version 8.8 Preview 3 (8.8.0.2120)
released September 14, 2020
Shell and Tools
- We have ported the Assembly Browser to the new Editor.
- We have reimplemented the Errors pad and moved the build output to a separate pad.
- We have improved overall performance and reliability.
Source Code Editing
- We have fixed an issue where an Enum could not be used as a nullable type in generic interfaces.
Version Control
- We fixed an issue where stashing errors were not handeled properly.
- we fixed an issue with broken selection buttons in the 'Review and Commit' view.
Web and Azure
- We fixed an issue with breakpoints not hitting when debugging a Blazor WebAssembly Application.
Xamarin
- We fixed an issue where Xamarin Forms Hot Reload caused the iOS Simulator to come to foreground.
- We fixed an issue with the iOS Simulator Window stealing focus multiple times.
- We fixed an issue with Vector Images not appearing in Assets.xcassets.
Visual Studio 2019 for Mac version 8.8 Preview 2 (8.8.0.1532)
released August 25, 2020
New Features
Debug Blazor WebAssembly projects
Flat Package Editor Download
Visual Studio for Mac now includes full support for debugging Blazor WebAssembly projects, giving you the option to set breakpoints, watches, navigate your code using step and skip commands, and more.
For more information on debugging in Visual Studio for Mac, see Debugging with Visual Studio for Mac.
Web and Azure
- We added support for .NET 5 preview 8.
- We added integrated support for accessing NuGet Azure DevOps package sources using the signed in account without requiring a personal access token (PAT).
Bug Fixes
Debugger
- We fixed an issue where the debugger would prefer an imported class over a local variable with the same name.
Project System
- We fixed an issue that prevented users from canceling a solution load operation.
Shell and Tools
- We improved the performance of the Assembly Viewer.
Editor
- We fixed a problem where new F# projects would not restore and build due to the FSharp.Core NuGet package being unavailable.
Web and Azure
- We fixed an issue with solution file generation that caused a compatibility problem with Visual Studio on Windows.
- We fixed an issue where .razor files would incorrectly show a “Using directive is unnecessary' error.
- We fixed an issue where IntelliSense for classes from a new Razor class library project were not available in .razor files.
- We fixed an issue preventing Azure subscriptions being found when publishing to Azure Publish to Azure.
- We fixed an issue where Azure subscriptions were not found.
- We fixed a crash in the Razor editor.
Xamarin
- We updated the Android SDK Tools path to support the new 'cmdline-tools' path.
- Hot reload updated the minimum required Xamarin.Forms version to 4.6.0.923 when using incremental.
Other
- We improved startup performance of the IDE.
- We improved the performance of closing a solution.
- We fixed an issue where vstool would not return the exact id of an extension which can then be used for disabling/enabling the extension.
Visual Studio 2019 for Mac version 8.8 Preview 1 (8.8.0.493)
released August 5, 2020
Note
This release of Visual Studio for Mac now supports running on the macOS Big Sur developer beta builds. If you're already on Big Sur and can't use the updater, visit the Visual Studio for Mac website and download the installer.
Editor
- The F# editor and language service have been updated to use the same backend as Visual Studio (Windows). This fixes a number of issues previously reported on Developer Community including:
- F# multiply operator as a function wrongly affects color of code after.
- F# 4.7 language features don't work.
- Undo doesn't work.
- Three double quotation marks are placed instead of two.
- F# 4.7 isn't supported.
- Editor fails on matching quote insertion.
- We fixed an issue causing the default key binding for 'Navigate To...' to no longer work with the French keyboard.
Project System
- We fixed an issue that resulted in an empty properties pad for files when loading AddIn projects.
Shell and Tools
- We increased the speed of the find in files functionality.
- We fixed an issue causing erroneous exceptions to be logged when deleting unsaved files from a project.
- We fixed an issue resulting in multiple searches and unresponsiveness in the search experience.
- We fixed an issue where Visual Studio is unable to find files/classes included into a multi-target SDK style project.
- We fixed an issue where the directory path for find in files was not set correctly.
- We fixed an issue that prevented users drom opening assemblies in the Assembly Browser.
- We fixed an issue that caused files to open in Visual Studio Code instead of in the hex editor when choosing to open in the hex editor.
Flat Package Editor Mac Download Software
Source Control
- We fixed an issue where there was odd behavior when copying files under source control.
- We fixed an issue that could cause hangs when using Git version control.
- We fixed an issue causing version control commits to fail if Git reported
fatal: LF would be replaced by CRLF
. - We fixed an issue that disabled view history when a file that's not tracked or a project is selected in the solution pad.
- We fixed an issue where Git integration on Visual Studio for Mac is not working.
- We fixed an issue where deleting a file from project rolls back messing up the Source control.
- We fixed an issue where openinig a project or switching branches on console does not always update the current branch in the project browser.
- We fixed an issue that could result in a
doesn't point at a valid Git repository or workdir.
error message when working with Git.
Web and Azure
- We fixed an issue where a new F# test project will display errors and warnings.
Xamarin
- We fixed an issue that erroneously changed the simulator to iPad Pro for the designer if Xcode was used to open and add layouts to the Storyboard file.
- We fixed an issue where users were unable to load Storyboards in Visual Studio for Mac.
- We fixed an issue that resulted in Storyboard errors.
- We fixed an issue where adding an Apple account for Xamarin.iOS is broken.
- We fixed an issue resulting in failure to add an Apple developer account with two step authentication.
- We fixed an issue preventing pairing with Visual Studio.
- We fixed an issue where the Storyboard editor would not start.
Known Issues
Flat Package Editor Mac Download Free
The following is a list of all existing known issues in Visual Studio 2019 for Mac version 8.8:
- After installing the latest .NET 5 SDK, developers of .NET Core 3.1 apps might see an error indicating 'The ASP.NET Core developer certificate is in an invalid state.'. Running
dotnet dev-certs https --clean
thendotnet dev-certs https --trust
from the Terminal will fix the issue. - Loading Blazor WebAssembly projects with .NET 5.0 RC1 is not yet supported.
- In rare cases, it's possible to be up to date with everything but the .NET Core 3.1.300 SDK. If you enter into this configuration and update to .NET Core 3.1.300 using the updater, the notification to update the .NET Core SDK will not disappear until the IDE is restarted.