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dotnet
sdk
C#2020–2026
dotnet / sdk

sdk

Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

46Distinct people
61Mentions
1Explicit recommenders
3.2KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

GitHub

Where it is used

No documented product use was verified in the last source check.

What people are saying

https://github.com/dotnet/sdk/issues/6145 My favorite part is when someone figures out "telemetry" includes the MAC address, and the dev team just goes completely silent.

craftinator used a recommendation phrase. One indexed comment matches. This is a phrase match, not a verdict.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

Mentioned in the same Hacker News threads. That is not proof they are substitutes.

This week on Hacker News

Nov 8–Nov 15 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/15/2026, 10:56:20 AM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year61 dated mentions

Observed mentions: 2020-05-21 14:25:34 UTC to 2026-07-27 09:32:34 UTC.

01020302020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments20202021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 30 mentions; 4 submissions, 26 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 8 mentions; 0 submissions, 8 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 7 mentions; 1 submissions, 6 comments20232024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 5 mentions; 0 submissions, 5 comments2025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 5 mentions; 0 submissions, 5 comments2026-01-01 00:00:00 UTC to 2027-01-01 00:00:00 UTC (exclusive): 4 mentions; 0 submissions, 4 comments. Incomplete calendar period.2026*

* An incomplete calendar period is marked with an outlined bar. Its count is not directly comparable with a full period.

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC202
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC30426
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC808
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC716
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC505
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC505
2026 (partial)2026-01-01 00:00:00 UTC2027-01-01 00:00:00 UTC404

From the project README

An excerpt from the repository, fetched Nov 13, 2026.

Read the project’s introduction
Welcome to dotnet sdk This repository contains core functionality needed to create .NET projects that are shared between Visual Studio and the .NET CLI. MSBuild tasks are under /src/Tasks/Microsoft.NET.Build.Tasks/. See dotnet/project-system for the project system work that is specific to Visual Studio. See the dotnetup documentation for work on the .NET toolchain manager. Dotnetup changes should target the release/dnup branch rather than main. Common project and item templates are found in template_feed. Build status Visibility All jobs Public Microsoft Internal Installing the SDK You can download the .NET SDK as either an installer (MSI, PKG) or a zip (zip, tar.gz). The .NET SDK contains both the .NET runtime and CLI tools. Official builds .NET SDK latest builds table Looking for dotnet-install sources? Sources for dotnet-install.sh and dotnet-install.ps1 are in the install-scripts repo. How do I engage and contribute? We welcome you to try things out, file issues, make feature requests and join us in design conversations. Be sure to check out our project documentation This project has adopted the .NET Foundation Code of Conduct to clarify expected behavior in our community. How do I build the SDK? Start with the Developer Guide. How do I test an SDK I have built? To test your locally built SDK, run eng\dogfood.cmd after building. That script starts a new Powershell with the environment configured to redirect SDK resolution to your build. From that shell your SDK is available in: any Visual Studio instance launched via & devenv.exe dotnet build msbuild How do I determine the timeline I must follow to get my changes in for a specific version of .NET? Please see the Pull Request Timeline Guide. How we triage and review PRs With the SDK repository being the home for many different areas, we've started trying to label incoming issues for the area they are related to using Area- labels. Then we rely on the codeowners to manage and triages issues in their areas. Feel free to contact the owners listed in that file if you're not getting a response on a particular issue or PR. Please try to label new issues as that'll help us route them faster. For issues related to the central SDK team, typically they are assigned out to a team member in the first half of each week. Then each member is asked to review and mark those needing further discussion as "needs team triage" and otherwise setting a milestone for the issue. Backlog means we will consider it in the future if there is more feedback. Discussion means we have asked for more information from the filer. All other milestones indicate our best estimate for when a fix will be targeted for noting that not all issues will get fixed. If you are not getting a quick response on an issue assigned to a team member, please ping them. The example query used for triage of .NET SDK issues can be viewed here For PRs, we assign a reviewer once a week on Wednesday, looking only at PRs that are green in the build. If you are contributing: Get the PR green. Include a test if possible. Mention @dotnet-cli if you want to raise visibility of the PR. License The .NET SDK project uses the MIT license. The LICENSE.txt and ThirdPartyNotices.txt in any downloaded archives are authoritative.
Read the full README on GitHub

What Hacker News says

8 sources
But Python itself is controlled by an independent foundation[1] and an elected steering council[2], which is very different from being owned by Microsoft. For example, if Microsoft wanted to change CPython to automatically collect sloppily anonymized user data and send it to Microsoft without asking, as they did with .NET[3], I would expect the steering council reject that proposal. [1] https://www.python.org/psf/ [2] https://peps.python.org/pep-0013/ [3] https://github.com/dotnet/sdk/issues/6145
In Web automation: Don't use Selenium, use Playwright
What I personally find more egregious are dotfiles and dot-dirs on Windows, created by half-baked ports of Unix-first software (such as `ssh`). Windows has `%APPDATA%` and `%LOCALAPPDATA%` that are accessible with `ShGetKnownFolderPath`[0], using the appropriate `KNOWNFOLDERID`[1]; all programs should put their configuration and cache data in these paths. Windows also doesn't know what the dot at the beginning of a file/folder means. Instead, it and NTFS have something that's arguably better: a hidden file attribute `FILE_ATTRIBUTE_HIDDEN`[2], that's again settable/gettable when a file/directory is created or polled, rather than regex-ing for a full-stop. The worst irony is Microsoft software creating dot-files and dot-dirs on Windows[3][4][5]. [0]: https://learn.microsoft.com/en-us/windows/win32/api/shlobj_c... [1]: https://learn.microso
Read the rest
In Dotfile madness (2019)
Are you sure about that? Can you share the steps I can run to reproduce that? I am looking at the sources at https://packages.ubuntu.com/source/jammy-updates/dotnet6 and (as far as I can tell) they are applying a patch called 1500sdk-telemetry-optout.patch (originally from Fedora https://src.fedoraproject.org/rpms/dotnet3.1/blob/f36/f/cli-...) that is supposed to make telemetry opt-in. There's a better fix landing upstream for .NET 7: https://github.com/dotnet/sdk/pull/25935
In .NET 6 is now in Ubuntu 22.04
If you’re just looking to be unblocked, use the Web SDK because you’re building and running combined web + hosted services [1]. The section linked shows the precise difference between the Web and Worker SDKs for hosted services. If you’re looking for docs on what all the SDKs are/do, and their source code, start here [2]. If you’re looking to just add the asp net core packages/apis to your basic sdk/console project, here [3]. But note that your app build/publish probably won’t work 100% because msbuild won’t be configured to do so. If you want to fix that manually (i.e do what the Web SDK does automatically), You can use the Web SDK props file as a starting point [4]. (Linked to in [2]) It seems well documented to me, but you’re welcome to propose new docs to the aspnet docs team. They’re very responsive [5]. [1] https://docs.microsoft.co
Read the rest
In .NET Myths Dispelled
This is a little out of date; the .NET single-file situation is pretty good as of .NET 5 (which came out in 2020). These days, if you publish a single-file app all .NET libraries live in the executable and do not need to be unpacked at runtime. Native libraries still need to get unpacked at runtime (if your application uses any; many don't), but you just set the IncludeNativeLibrariesForSelfExtract build property and everything else happens automatically for you. I'm working on getting IncludeNativeLibrariesForSelfExtract set by default, upvote here if you think that's a good idea: https://github.com/dotnet/sdk/issues/24181
In Single binary executable packages

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