nats-io/nats.go v1.21.0 on GitHub

Changelog

ConnectHandler connect option to detect that initial connection was established. This is especially useful when combined with RetryOnFailedConnect (#1133 )
IgnoreAuthErrorAbort connect option to prevent aborting reconnect attempts after receiving the same authentication error twice (#1141)
SkipTLSHandshake option to CustomDialer. SkipTLSHandshake method can be implemented on a custom dialer to prevent TLS handshake if not needed (#1147)
KV:
- Return ErrKeyExists error when attempting to Create() a KV pair for an existing key (#1135, #1136)
JetStream:
- Add ErrLeadershipChanged error, returned when consumer leadership has changed during a pull request on a consumer. Thanks to @sata-form3 for the contribution (#1151)

Remove deprecated usages of io/ioutil. Thanks to @cesarvspr for the contribution (#1150)
Remove experimental notice from KV implementation (#1154)