nats-io/nats.go v1.54.0 on GitHub

Changelog

This release raises the minimum supported Go version to 1.26 and adds support for nats-server v2.15 stream and consumer info fields.

Core NATS:
- nats.MultipathTCP() option to enable or disable MPTCP for outbound connections (#2145)
- Conn.ConnectedDomain() to read the JetStream domain advertised by the connected server (#2139)
JetStream:
- ClusterInfo.Desired, PeerInfo.Peer, PeerInfo.Pending and StreamSourceInfo.Seq in stream and consumer info, reported by nats-server v2.15 (#2144)
- Nats-Schedule-Rollup header const and WithScheduleRollup() publish option (#2142)

Core NATS:
- Panic in DecodeHeadersMsg on inline status tokens shorter than 3 characters. Thanks @nikitha-m for the contribution (#2101)
- Data race on Subscription.sid between applyNewSID and removeSub (#2122)
JetStream:
- Messages() iterator going silent after a reconnect that completes between Next() calls. Thanks @1995parham for the contribution (#2135)
- Legacy ordered consumer silently losing messages when the subscription hits its pending limits (#2137)
- Legacy ordered consumer reset resurrecting an unsubscribed or draining subscription (#2133)

Core NATS:
- Avoid allocation when parsing header message arguments with a fifth token. Thanks @0xAozora for the contribution (#2130)
- Preallocate reply subject buffers. Thanks @0xAozora for the contribution (#2123)
JetStream:
- Prevent doErr closure escaping to the heap in async publish reply handling. Thanks @0xAozora for the contribution (#2127)
- Fix typo in Publisher interface methods comment. Thanks @sreeram77 for the contribution (#2120)
Minimum Go version is now 1.26 (#2146)
Bump klauspost/compress to v1.20.0 and nkeys to v0.4.16 (#2117, #2146)
Tests run locally without docker via an in-process ntf tester (#2131), and CI now runs against nats-server v2.15.0 (#2146)
Fix flaky cluster restart tests (#2141) and list consumers test against latest server (#2138)