gorelease -base v0.20.0 -version v0.21.0
# github.com/centrifugal/centrifuge
## incompatible changes
DefaultWebsocketMessageSizeLimit: removed
DefaultWebsocketPingInterval: removed
DefaultWebsocketWriteTimeout: removed
TransportInfo.AppLevelPing: added
## compatible changes
AppLevelPing: added
DisconnectNoPong: added
SockjsConfig.AppLevelPingInterval: added
SockjsConfig.AppLevelPongTimeout: added
WebsocketConfig.AppLevelPingInterval: added
WebsocketConfig.AppLevelPongTimeout: added
WebsocketConfig.PongTimeout: added
# summary
v0.21.0 is a valid semantic version for this release.