What's Changed
- GraphQLWs: Ping messages reflect the payload in the pong response by @Shane32 in #1155
- Allow accessing send queue count from WebSocketConnection by @Shane32 in #1156
- Discard messages sent after the close message has been posted to the queue by @Shane32 in #1157
- Pin playground to v1.7.28 and add polyfill for mutation events by @Shane32 in #1159
- Add KeepAliveMode and SupportedWebSocketSubProtocols options by @Shane32 in #1154
- Bump GraphQL.NET to 8.2.1 by @Shane32 in #1160 (fixes critical bugs)
Full Changelog: 8.0.3...8.1.0