This repo contains the .NET Core foundational libraries, called CoreFX. It includes classes for collections, file systems, console, XML, async and many others. We welcome contributions.
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Documentation Permit nested using without indentation (#31816) Aug 17, 2018
buildpipeline Add SLES 15 to various build pipelines. Aug 8, 2018
cross Update Tizen CI RID (#30692) Jun 27, 2018
external Fix Icon creation on Unix when an icon has a PNG image under its dire… Aug 21, 2018
pkg Fix compat package drop script for 3.0 (#31849) Aug 20, 2018
src Include changes that crossed two checkins. (#31861) Aug 21, 2018
tools-local Update CoreClr, CoreFx, CoreSetup, ProjectNTfs, ProjectNTfsTestILC to… Aug 20, 2018
.editorconfig Change csharp_indent_labels from flush_left to one_less_than_current (#… Mar 17, 2018
.gitattributes Update brotli to v1.0.5 (#30751) Jun 29, 2018
.gitignore Continue modifications for integration of System.Native to Mono. (#29374 Apr 30, 2018
.gitmirrorall Sync changes from TFS as of 2015/02/16 9:30:00 AM Feb 16, 2015
BuildToolsVersion.txt Update BuildTools, CoreClr, CoreFx, CoreSetup, ProjectNTfs, ProjectNT… Aug 17, 2018
CODE_OF_CONDUCT.md Include Code of Conduct in GitHub-recognised manner. (#25751) Dec 6, 2017
CONTRIBUTING.md Add folders to CoreFX Documentation Jun 23, 2015
CodeAnalysis.ruleset Scale back [Serializable] CoreFX types (#19742) May 16, 2017
Directory.Build.props Enable strict globally, fix comparison of IntPtr, Guid with null (#31457 Jul 30, 2018
Directory.Build.targets Allows include build number for packages blocked from going stable Jul 9, 2018
DotnetCLIVersion.txt Downgrade CLI version to 2.1.401-preview-009081. Jul 10, 2018
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README.md Delete slack link, standardize on gitter (#30661) Jun 26, 2018
THIRD-PARTY-NOTICES.TXT Port Google Brotli C sources Jan 8, 2018
build-managed.cmd Update build tools version to have a new "tools" structure for config… Aug 23, 2016
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build-native.cmd Changing dev workflow scripts to use the Run Command Tool (#10231) Jul 28, 2016
build-native.sh replace $* with "$@" to properly preserve spaces in argumnents (#26404) Jan 22, 2018
build-packages.cmd Update build tools version to have a new "tools" structure for config… Aug 23, 2016
build-packages.sh replace $* with "$@" to properly preserve spaces in argumnents (#26404) Jan 22, 2018
build-tests.cmd Adds -tests option for build.cmd that will add the test build and run… Feb 16, 2017
build-tests.sh Adds -tests option for build.cmd that will add the test build and run… Feb 16, 2017
build.cmd Add option to build.cmd/sh to build projects in a directory Jun 14, 2017
build.proj Fix vbproj build in VS and update configurations (#31303) Jul 24, 2018
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buildvertical.targets Add VB test project (#31455) Jul 29, 2018
clean.cmd Fix clean.cmd with no args (#25158) Nov 9, 2017
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config.json Add WebAssembly build architecture (#28936) Aug 16, 2018
corefx.vssettings Removing properties not relevant to code formatting May 4, 2015
dependencies.props Update CoreClr, CoreFx, CoreSetup, ProjectNTfs, ProjectNTfsTestILC to… Aug 20, 2018
dir.traversal.targets Add extra condition to Dumpling.targets import. Jun 6, 2017
illink.targets Turn off ILLinkTrimAssembly during design-time builds. Jun 29, 2018
init-tools.cmd Updating init-tools.cmd to pass through PACKAGES_DIR Aug 9, 2018
init-tools.msbuild Publish symbols using Microsoft.SymbolUploader.Build.Task package Mar 13, 2018
init-tools.sh support for correct Tools on Linux/ARM (#31160) Jul 19, 2018
netci.groovy 3 small changes: update coverlet, increase coverage timeout, and PR 3… Aug 15, 2018
perf.groovy Reduce quantity of artifacts retained (#30270) Jun 11, 2018
publish-packages.cmd Changing dev workflow scripts to use the Run Command Tool (#10231) Jul 28, 2016
publish-packages.sh replace $* with "$@" to properly preserve spaces in argumnents (#26404) Jan 22, 2018
referenceFromRuntime.targets Allow copy-local ReferenceFromRuntime Sep 12, 2017
run-test.sh Fix __Arch for armv7l tests (#30639) Jun 28, 2018
run.cmd Including pre-release versions of VS for builds (#25689) Dec 7, 2017
run.sh Revert "Add temporary logging to help us trace down root cause for do… Feb 6, 2018
sync.cmd Changing dev workflow scripts to use the Run Command Tool (#10231) Jul 28, 2016
sync.sh replace $* with "$@" to properly preserve spaces in argumnents (#26404) Jan 22, 2018

README.md

.NET Core Libraries (CoreFX)

This repo contains the library implementation (called "CoreFX") for .NET Core. It includes System.Collections, System.IO, System.Xml, and many other components. The corresponding .NET Core Runtime repo (called "CoreCLR") contains the runtime implementation for .NET Core. It includes RyuJIT, the .NET GC, and many other components. Runtime-specific library code (mscorlib) lives in the CoreCLR repo. It needs to be built and versioned in tandem with the runtime. The rest of CoreFX is agnostic of runtime-implementation and can be run on any compatible .NET runtime (e.g. CoreRT).

.NET Core

Official Starting Page: http://dotnet.github.io

How to Engage, Contribute and Provide Feedback

Some of the best ways to contribute are to try things out, file bugs, join in design conversations, and fix issues.

If you are having issues with the "full" .NET Framework (also called "Desktop"), the best way to file a bug is the Report a Problem tool, which is integrated with the VS Developer Community Portal; or through Product Support if you have a contract.

Issue Guide

This section is in progress here: New contributor Docs - Issues (feel free to make it better - it's easy-to-edit wiki with RW permissions to everyone!)

Each issue area has one or more Microsoft owners, who are listed here.

Contributing Guide

This section is in progress here: New contributor Docs - Contributing (feel free to make it better - it's easy-to-edit wiki with RW permissions to everyone!)

Useful Links

Community

This project has adopted the code of conduct defined by the Contributor Covenant to clarify expected behavior in our community. For more information, see the .NET Foundation Code of Conduct.

Reporting security issues and security bugs

Security issues and bugs should be reported privately, via email, to the Microsoft Security Response Center (MSRC) secure@microsoft.com. You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Further information, including the MSRC PGP key, can be found in the Security TechCenter.

Also see info about related Microsoft .NET Core and ASP.NET Core Bug Bounty Program.

License

.NET Core (including the corefx repo) is licensed under the MIT license.

.NET Foundation

.NET Core is a .NET Foundation project.

There are many .NET related projects on GitHub.

  • .NET home repo - links to 100s of .NET projects, from Microsoft and the community.
  • ASP.NET Core home - the best place to start learning about ASP.NET Core.

CoreFX Project

Daily Builds

Daily builds of .NET Core components are published to dotnet-core MyGet gallery. The latest version number of each library can be seen in that gallery.

Note: See officially supported OS versions.

Code Coverage Status

Click to see most recent result.

code coverage