[Discussion] Obsoleting Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv and Libuv packages #23409
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affected-very-few
This issue impacts very few customers
area-networking
Includes servers, yarp, json patch, bedrock, websockets, http client factory, and http abstractions
breaking-change
This issue / pr will introduce a breaking change, when resolved / merged.
severity-nice-to-have
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task
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Obsoleting Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv and Libuv packages
Earlier versions of ASP.NET Core used
libuv
as an implementation detail of how asynchronous IO was performed. In ASP.NET Core 2.0, an alternative transport was developed based on sockets. In ASP.NET Core 2.1 we switched to using the socket transport by default, but kept libuv support around for compatibility reasons.At this point, use of the sockets transport is far more common than the libuv transport, so we're planning on obsoleting the libuv support in .NET 5.0, with a plan to remove it entirely in .NET 6.0.
As part of this, we will also plan not to add support for new OS platforms (like Windows ARM64) in the .NET 5.0 timeframe.
If you have a blocking issue that requires the use of the libuv transport, we would love to hear about it in the comments below.
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