Here’s a summary of what’s new in this preview release:

• Request decompression middleware
• Output caching middleware
• Updates to rate limiting middleware
• Kestrel support for WebSockets over HTTP/2
• Kestrel performance improvements on high core machines
• Support for logging additional request headers in W3CLogger
• Empty Blazor project templates
• System.Security.Cryptography support on WebAssembly
• Blazor custom elements no longer experimental
• Experimental QuickGrid component for Blazor
• gRPC JSON transcoding multi-segment parameters
• MapGroup support for more extension methods