Update the "What's new in ASP.NET Core 10.0" for .NET 10 Preview 4

[guardrex]

Description

cc: @danroth27 @wadepickett @tdykstra @Rick-Anderson

@tdykstra @wadepickett @Rick-Anderson edit each comment and at the bottom add 2 check boxes

• issue #X to get content into WN --issue #X should provide a link to the comment the issue came from.
• issue #Y to get content in relevant doc -- this can be the same issue

[wadepickett added]
See also the development team's release notes for Preview 4 here:
dotnet/core#9881

Page URL

https://learn.microsoft.com/en-us/aspnet/core/release-notes/aspnetcore-10.0?view=aspnetcore-9.0

Content source URL

https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/release-notes/aspnetcore-10.0.md

Document ID

a7ad4b01-2333-32d8-b759-e044edfb9102

Platform Id

2f8fb8ab-5309-0a77-987a-c867c6517d2b

Article author

@Rick-Anderson

Metadata

• ID: a7ad4b01-2333-32d8-b759-e044edfb9102
• PlatformId: 2f8fb8ab-5309-0a77-987a-c867c6517d2b
• Service: aspnet-core
• Sub-service: release-notes

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