New features

• Add ISubchannelCallTracker (#1621)

Changes

• Log DebugException from RpcException if present (#1625)
• Remove Subchannel.State and track state inside load balancer (#1590)
• Rename AsyncResolver to PollingResolver (#1626)

Fixes

• Fix multiple context propagation configs (#1596)
• Increase deadline precision offset (#1604)
• Narrow GrpcWebMiddleware rules to only rewrite POST requests (#1618)

New features

• Add deflate compression to .NET 6 (#1548)
• Add health checks service mapping configuration (#1565)

Changes

• Split AsyncResolver out of Resolver (#1573)
• Lower client error logging level (#1577)
• Remove Subchannel.State and track state inside load balancer (#1590)

Fixes

• Fix race between deadline and Stream.ReadAsync (#1550)
• Fix load balancing subchannel compare and dispose error (#1554)
• Fix different activitiy types sent to diagnostic source (#1559)

New features

• Resolver has separate error for fetching service config (#1475)
• Publish Grpc.AspNetCore.HealthChecks package (#1509)

Changes

• Refactor client load balancing resolver (#1491)
• Log BalancerAddress instead of DnsEndPoint in load balancing (#1504)

Fixes

• DNS resolver fix port usage (#1493)
• Set backslash as path separator for Protobuf item (#1323)
• Add accept header to grpc-web-text requests (#1522)
• Fix client with custom ConnectCallback (#1542)

New features

• Add more info to UserAgent header (#1411)
• Add trimming attributes and eliminate trim warnings in .NET 6 (#1465)
• Add support for per-address attributes (#1472)

Changes

• Add detail to server RPC error log message and remove exception (#1436)
• Refactor client factory channel and interceptor lifetime (#1430)

Fixes

• Fix combining auth and retry (#1414)
• Fix deadline counter not being incremented if server returns first (#1399)
• Client handle server cancellation for deadline (#1402)
• Fix streaming with no response messages not successful (#1401)
• Update check for secure channel in ReadCredentials (#1428)
• Fix race between CompleteAsync and call dispose (#1429)
• Fix race by throwing response error after completing call (#1443)
• Ensure That Timer Callback Does not Call Method on Disposed Timer (#1445)
• Reset HTTP/3 request on deadline exceeded (#1446)
• Fix server trim error from dependency injection (#1471)

What's Changed

• [v2.40.x] Update Google.Protobuf to 3.18.0 by @JamesNK in #1433
• [v2.40.x] Remove load balancing for final release by @JamesNK in #1434
• [v2.40.x] Update version to v2.40.0 by @jtattermusch in #1441

Full Changelog: v2.40.0-pre1...v2.40.0

Changes

• Default HTTP version to 1.1 when using gRPC-Web on netfx (#1377)

Fixes

• Fix using gRPC reflection with services that have a base type (#1352)
• Make load balancing log IDs unique (#1376)
• Fix client timeout when error in custom CallCredential (#1388)
• Fix gRPC retry calls not unregistering from cancellation token (#1398)