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Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

Results 359 msquic issues
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### Describe the bug https://github.com/microsoft/msquic/actions/runs/14537243991/job/40788319121?pr=5015#step:9:513 This test case has been a bit flaky lately. ``` [==========] Running 1 test from 1 test suite. [----------] Global test environment set-up. Initializing for...

Bug: Test/Tool

## Description _Describe the purpose of and changes within this Pull Request._ - [x] Bind XDP directly to the virtual function (VF) driver for SR-IOV adapters. - [ ] Configure...

### Describe the bug For some reason, a couple of the test are **inconsistently** failing with `SEC_E_UNTRUSTED_ROOT`: ``` D:\a\msquic\msquic\src\test\lib\TestConnection.cpp(982): error: Unexpected Certificate Validation Status, expected=0x0, actual=0x80090325 ``` Not every run...

Area: Testing
OS: Windows (User)

### Describe the bug https://github.com/microsoft/msquic/actions/runs/14326611576/job/40153520326#step:9:2185 The connection is getting closed with `0x80410003`, which is `QUIC_STATUS_INTERNAL_ERROR`. ``` [ RUN ] AppData/WithSendArgs1.SendQtip/404 D:\a\msquic\msquic\src\test\lib\TestConnection.cpp(864): error: Unexpected transport Close Error, expected=0x0, actual=0x80410003 D:\a\msquic\msquic\src\test\lib\DataTest.cpp(146): error:...

Bug: Test/Tool

## Description Temp changes to check test failures. DO NOT merge _Describe the purpose of and changes within this Pull Request._ ## Testing _Do any existing tests cover this change?...

The sample is too simple, and the programmer's favorite "hello, world" does not appear. Can you send a message as' hello, world '?

Area: Documentation
feature request
external

### Describe the feature you'd like supported The IETF is standardizing a process ([link](https://datatracker.ietf.org/doc/html/draft-ietf-tsvwg-careful-resume)) by which resumption may use the previous congestion control state to quickly jump to this previous...

feature request

### Describe the feature you'd like supported I've been evaluating MsQuic and haven't used it, but already see a problem that would complicate usage: there isn't a way to use...

feature request
external
Area: API
Area: Core

## Description This is experimental, imcomplete, not reviewable.This is based on #4218. This pull request includes several changes that mainly focus on implementing the multipath support in the QUIC protocol...

Area: Protocol Updates
external
Area: API
Area: Core

Currently new brand distro packages are missing on packages.microsoft.com, and it can cause problems on the user experience side. For example: Last month @richlander from .NET team tried to install...

OS: Linux
Area: Packaging
Partner: .NET