diff --git a/go.mod b/go.mod
index 493e090019..b7c3ecd3bd 100644
--- a/go.mod
+++ b/go.mod
@@ -56,7 +56,7 @@ require (
 	github.com/mna/pigeon v1.3.0
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826
 	github.com/nats-io/nats-server/v2 v2.11.0
-	github.com/nats-io/nats.go v1.40.0
+	github.com/nats-io/nats.go v1.39.1
 	github.com/oklog/run v1.1.0
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/onsi/ginkgo v1.16.5
diff --git a/go.sum b/go.sum
index dd71e196c8..bb418b2e76 100644
--- a/go.sum
+++ b/go.sum
@@ -829,8 +829,8 @@ github.com/nats-io/jwt/v2 v2.7.3 h1:6bNPK+FXgBeAqdj4cYQ0F8ViHRbi7woQLq4W29nUAzE=
 github.com/nats-io/jwt/v2 v2.7.3/go.mod h1:GvkcbHhKquj3pkioy5put1wvPxs78UlZ7D/pY+BgZk4=
 github.com/nats-io/nats-server/v2 v2.11.0 h1:fdwAT1d6DZW/4LUz5rkvQUe5leGEwjjOQYntzVRKvjE=
 github.com/nats-io/nats-server/v2 v2.11.0/go.mod h1:leXySghbdtXSUmWem8K9McnJ6xbJOb0t9+NQ5HTRZjI=
-github.com/nats-io/nats.go v1.40.0 h1:qC3rnVZy15vJ15GSbB+pQtOmqo9q+65wnGVpvmcVv0Q=
-github.com/nats-io/nats.go v1.40.0/go.mod h1:wV73x0FSI/orHPSYoyMeJB+KajMDoWyXmFaRrrYaaTo=
+github.com/nats-io/nats.go v1.39.1 h1:oTkfKBmz7W047vRxV762M67ZdXeOtUgvbBaNoQ+3PPk=
+github.com/nats-io/nats.go v1.39.1/go.mod h1:MgRb8oOdigA6cYpEPhXJuRVH6UE/V4jblJ2jQ27IXYM=
 github.com/nats-io/nkeys v0.4.10 h1:glmRrpCmYLHByYcePvnTBEAwawwapjCPMjy2huw20wc=
 github.com/nats-io/nkeys v0.4.10/go.mod h1:OjRrnIKnWBFl+s4YK5ChQfvHP2fxqZexrKJoVVyWB3U=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
diff --git a/vendor/github.com/nats-io/nats.go/README.md b/vendor/github.com/nats-io/nats.go/README.md
index b00eafa1ce..6961b58128 100644
--- a/vendor/github.com/nats-io/nats.go/README.md
+++ b/vendor/github.com/nats-io/nats.go/README.md
@@ -23,7 +23,7 @@ A [Go](http://golang.org) client for the [NATS messaging system](https://nats.io
 go get github.com/nats-io/nats.go@latest
 
 # To get a specific version:
-go get github.com/nats-io/nats.go@v1.40.0
+go get github.com/nats-io/nats.go@v1.39.1
 
 # Note that the latest major version for NATS Server is v2:
 go get github.com/nats-io/nats-server/v2@latest
diff --git a/vendor/github.com/nats-io/nats.go/go_test.mod b/vendor/github.com/nats-io/nats.go/go_test.mod
index 56732596ad..32c1003a55 100644
--- a/vendor/github.com/nats-io/nats.go/go_test.mod
+++ b/vendor/github.com/nats-io/nats.go/go_test.mod
@@ -1,24 +1,23 @@
 module github.com/nats-io/nats.go
 
-go 1.23.0
+go 1.22.0
 
 require (
 	github.com/golang/protobuf v1.4.2
-	github.com/klauspost/compress v1.18.0
+	github.com/klauspost/compress v1.17.11
 	github.com/nats-io/jwt v1.2.2
-	github.com/nats-io/nats-server/v2 v2.11.0
-	github.com/nats-io/nkeys v0.4.10
+	github.com/nats-io/nats-server/v2 v2.10.24
+	github.com/nats-io/nkeys v0.4.9
 	github.com/nats-io/nuid v1.0.1
 	go.uber.org/goleak v1.3.0
-	golang.org/x/text v0.23.0
+	golang.org/x/text v0.21.0
 	google.golang.org/protobuf v1.23.0
 )
 
 require (
-	github.com/google/go-tpm v0.9.3 // indirect
 	github.com/minio/highwayhash v1.0.3 // indirect
 	github.com/nats-io/jwt/v2 v2.7.3 // indirect
-	golang.org/x/crypto v0.36.0 // indirect
-	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/time v0.11.0 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/time v0.8.0 // indirect
 )
diff --git a/vendor/github.com/nats-io/nats.go/go_test.sum b/vendor/github.com/nats-io/nats.go/go_test.sum
index 7f6017f236..f6223f25b1 100644
--- a/vendor/github.com/nats-io/nats.go/go_test.sum
+++ b/vendor/github.com/nats-io/nats.go/go_test.sum
@@ -1,5 +1,3 @@
-github.com/antithesishq/antithesis-sdk-go v0.4.3-default-no-op h1:+OSa/t11TFhqfrX0EOSqQBDJ0YlpmK0rDSiB19dg9M0=
-github.com/antithesishq/antithesis-sdk-go v0.4.3-default-no-op/go.mod h1:IUpT2DPAKh6i/YhSbt6Gl3v2yvUZjmKncl7U91fup7E=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
@@ -11,24 +9,21 @@ github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/go-tpm v0.9.3 h1:+yx0/anQuGzi+ssRqeD6WpXjW2L/V0dItUayO0i9sRc=
-github.com/google/go-tpm v0.9.3/go.mod h1:h9jEsEECg7gtLis0upRBQU+GhYVH6jMjrFxI8u6bVUY=
-github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
-github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
+github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
+github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
 github.com/minio/highwayhash v1.0.3 h1:kbnuUMoHYyVl7szWjSxJnxw11k2U709jqFPPmIUyD6Q=
 github.com/minio/highwayhash v1.0.3/go.mod h1:GGYsuwP/fPD6Y9hMiXuapVvlIUEhFhMTh0rxU3ik1LQ=
 github.com/nats-io/jwt v1.2.2 h1:w3GMTO969dFg+UOKTmmyuu7IGdusK+7Ytlt//OYH/uU=
 github.com/nats-io/jwt v1.2.2/go.mod h1:/xX356yQA6LuXI9xWW7mZNpxgF2mBmGecH+Fj34sP5Q=
 github.com/nats-io/jwt/v2 v2.7.3 h1:6bNPK+FXgBeAqdj4cYQ0F8ViHRbi7woQLq4W29nUAzE=
 github.com/nats-io/jwt/v2 v2.7.3/go.mod h1:GvkcbHhKquj3pkioy5put1wvPxs78UlZ7D/pY+BgZk4=
-github.com/nats-io/nats-server/v2 v2.11.0 h1:fdwAT1d6DZW/4LUz5rkvQUe5leGEwjjOQYntzVRKvjE=
-github.com/nats-io/nats-server/v2 v2.11.0/go.mod h1:leXySghbdtXSUmWem8K9McnJ6xbJOb0t9+NQ5HTRZjI=
+github.com/nats-io/nats-server/v2 v2.10.24 h1:KcqqQAD0ZZcG4yLxtvSFJY7CYKVYlnlWoAiVZ6i/IY4=
+github.com/nats-io/nats-server/v2 v2.10.24/go.mod h1:olvKt8E5ZlnjyqBGbAXtxvSQKsPodISK5Eo/euIta4s=
 github.com/nats-io/nkeys v0.2.0/go.mod h1:XdZpAbhgyyODYqjTawOnIOI7VlbKSarI9Gfy1tqEu/s=
-github.com/nats-io/nkeys v0.4.10 h1:glmRrpCmYLHByYcePvnTBEAwawwapjCPMjy2huw20wc=
-github.com/nats-io/nkeys v0.4.10/go.mod h1:OjRrnIKnWBFl+s4YK5ChQfvHP2fxqZexrKJoVVyWB3U=
+github.com/nats-io/nkeys v0.4.9 h1:qe9Faq2Gxwi6RZnZMXfmGMZkg3afLLOtrU+gDZJ35b0=
+github.com/nats-io/nkeys v0.4.9/go.mod h1:jcMqs+FLG+W5YO36OX6wFIFcmpdAns+w1Wm6D3I/evE=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -39,19 +34,20 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
-golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
+golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
-golang.org/x/time v0.11.0 h1:/bpjEDfN9tkoN/ryeYHnv5hcMlc8ncjMcM4XBk5NWV0=
-golang.org/x/time v0.11.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
+golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/time v0.8.0 h1:9i3RxcPv3PZnitoVGMPDKZSq1xW1gK1Xy3ArNOGZfEg=
+golang.org/x/time v0.8.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
diff --git a/vendor/github.com/nats-io/nats.go/js.go b/vendor/github.com/nats-io/nats.go/js.go
index 705932ee1a..fe246aaead 100644
--- a/vendor/github.com/nats-io/nats.go/js.go
+++ b/vendor/github.com/nats-io/nats.go/js.go
@@ -1,4 +1,4 @@
-// Copyright 2020-2025 The NATS Authors
+// Copyright 2020-2024 The NATS Authors
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -273,8 +273,6 @@ type jsOpts struct {
 	aecb MsgErrHandler
 	// Max async pub ack in flight
 	maxpa int
-	// ackTimeout is the max time to wait for an ack in async publish.
-	ackTimeout time.Duration
 	// the domain that produced the pre
 	domain string
 	// enables protocol tracing
@@ -468,14 +466,13 @@ func (opt pubOptFn) configurePublish(opts *pubOpts) error {
 }
 
 type pubOpts struct {
-	ctx    context.Context
-	ttl    time.Duration
-	id     string
-	lid    string        // Expected last msgId
-	str    string        // Expected stream name
-	seq    *uint64       // Expected last sequence
-	lss    *uint64       // Expected last sequence per subject
-	msgTTL time.Duration // Message TTL
+	ctx context.Context
+	ttl time.Duration
+	id  string
+	lid string  // Expected last msgId
+	str string  // Expected stream name
+	seq *uint64 // Expected last sequence
+	lss *uint64 // Expected last sequence per subject
 
 	// Publish retries for NoResponders err.
 	rwait time.Duration // Retry wait between attempts
@@ -510,7 +507,6 @@ const (
 	ExpectedLastSubjSeqHdr = "Nats-Expected-Last-Subject-Sequence"
 	ExpectedLastMsgIdHdr   = "Nats-Expected-Last-Msg-Id"
 	MsgRollup              = "Nats-Rollup"
-	MsgTTLHdr              = "Nats-TTL"
 )
 
 // Headers for republished messages and direct gets.
@@ -570,9 +566,6 @@ func (js *js) PublishMsg(m *Msg, opts ...PubOpt) (*PubAck, error) {
 	if o.lss != nil {
 		m.Header.Set(ExpectedLastSubjSeqHdr, strconv.FormatUint(*o.lss, 10))
 	}
-	if o.msgTTL > 0 {
-		m.Header.Set(MsgTTLHdr, o.msgTTL.String())
-	}
 
 	var resp *Msg
 	var err error
@@ -655,7 +648,6 @@ type pubAckFuture struct {
 	maxRetries int
 	retryWait  time.Duration
 	reply      string
-	timeout    *time.Timer
 }
 
 func (paf *pubAckFuture) Ok() <-chan *PubAck {
@@ -720,19 +712,13 @@ func (js *js) newAsyncReply() string {
 	}
 	var sb strings.Builder
 	sb.WriteString(js.rpre)
-	for {
-		rn := js.rr.Int63()
-		var b [aReplyTokensize]byte
-		for i, l := 0, rn; i < len(b); i++ {
-			b[i] = rdigits[l%base]
-			l /= base
-		}
-		if _, ok := js.pafs[string(b[:])]; ok {
-			continue
-		}
-		sb.Write(b[:])
-		break
+	rn := js.rr.Int63()
+	var b [aReplyTokensize]byte
+	for i, l := 0, rn; i < len(b); i++ {
+		b[i] = rdigits[l%base]
+		l /= base
 	}
+	sb.Write(b[:])
 	js.mu.Unlock()
 	return sb.String()
 }
@@ -908,10 +894,6 @@ func (js *js) handleAsyncReply(m *Msg) {
 		}
 	}
 
-	if paf.timeout != nil {
-		paf.timeout.Stop()
-	}
-
 	// Process no responders etc.
 	if len(m.Data) == 0 && m.Header.Get(statusHdr) == noResponders {
 		if paf.retries < paf.maxRetries {
@@ -993,15 +975,6 @@ func PublishAsyncMaxPending(max int) JSOpt {
 	})
 }
 
-// PublishAsyncTimeout sets the timeout for async message publish.
-// If not provided, timeout is disabled.
-func PublishAsyncTimeout(dur time.Duration) JSOpt {
-	return jsOptFn(func(opts *jsOpts) error {
-		opts.ackTimeout = dur
-		return nil
-	})
-}
-
 // PublishAsync publishes a message to JetStream and returns a PubAckFuture
 func (js *js) PublishAsync(subj string, data []byte, opts ...PubOpt) (PubAckFuture, error) {
 	return js.PublishMsgAsync(&Msg{Subject: subj, Data: data}, opts...)
@@ -1051,9 +1024,6 @@ func (js *js) PublishMsgAsync(m *Msg, opts ...PubOpt) (PubAckFuture, error) {
 	if o.lss != nil {
 		m.Header.Set(ExpectedLastSubjSeqHdr, strconv.FormatUint(*o.lss, 10))
 	}
-	if o.msgTTL > 0 {
-		m.Header.Set(MsgTTLHdr, o.msgTTL.String())
-	}
 
 	// Reply
 	paf := o.pafRetry
@@ -1080,52 +1050,11 @@ func (js *js) PublishMsgAsync(m *Msg, opts ...PubOpt) (PubAckFuture, error) {
 			case <-js.asyncStall():
 			case <-time.After(stallWait):
 				js.clearPAF(id)
-				return nil, ErrTooManyStalledMsgs
+				return nil, errors.New("nats: stalled with too many outstanding async published messages")
 			}
 		}
-		if js.opts.ackTimeout > 0 {
-			paf.timeout = time.AfterFunc(js.opts.ackTimeout, func() {
-				js.mu.Lock()
-				defer js.mu.Unlock()
-
-				if _, ok := js.pafs[id]; !ok {
-					// paf has already been resolved
-					// while waiting for the lock
-					return
-				}
-
-				// ack timed out, remove from pending acks
-				delete(js.pafs, id)
-
-				// check on anyone stalled and waiting.
-				if js.stc != nil && len(js.pafs) < js.opts.maxpa {
-					close(js.stc)
-					js.stc = nil
-				}
-
-				// send error to user
-				paf.err = ErrAsyncPublishTimeout
-				if paf.errCh != nil {
-					paf.errCh <- paf.err
-				}
-
-				// call error callback if set
-				if js.opts.aecb != nil {
-					js.opts.aecb(js, paf.msg, ErrAsyncPublishTimeout)
-				}
-
-				// check on anyone one waiting on done status.
-				if js.dch != nil && len(js.pafs) == 0 {
-					close(js.dch)
-					js.dch = nil
-				}
-			})
-		}
 	} else {
 		reply = paf.reply
-		if paf.timeout != nil {
-			paf.timeout.Reset(js.opts.ackTimeout)
-		}
 		id = reply[js.replyPrefixLen:]
 	}
 	hdr, err := m.headerBytes()
@@ -1222,15 +1151,6 @@ func StallWait(ttl time.Duration) PubOpt {
 	})
 }
 
-// MsgTTL sets per msg TTL.
-// Requires [StreamConfig.AllowMsgTTL] to be enabled.
-func MsgTTL(dur time.Duration) PubOpt {
-	return pubOptFn(func(opts *pubOpts) error {
-		opts.msgTTL = dur
-		return nil
-	})
-}
-
 type ackOpts struct {
 	ttl      time.Duration
 	ctx      context.Context
@@ -2286,9 +2206,6 @@ func (sub *Subscription) resetOrderedConsumer(sseq uint64) {
 				// retry for insufficient resources, as it may mean that client is connected to a running
 				// server in cluster while the server hosting R1 JetStream resources is restarting
 				return
-			} else if errors.As(err, &apiErr) && apiErr.ErrorCode == JSErrCodeJetStreamNotAvailable {
-				// retry if JetStream meta leader is temporarily unavailable
-				return
 			}
 			pushErr(err)
 			return
diff --git a/vendor/github.com/nats-io/nats.go/jserrors.go b/vendor/github.com/nats-io/nats.go/jserrors.go
index 65e78cf04c..1c22d812bb 100644
--- a/vendor/github.com/nats-io/nats.go/jserrors.go
+++ b/vendor/github.com/nats-io/nats.go/jserrors.go
@@ -1,4 +1,4 @@
-// Copyright 2020-2025 The NATS Authors
+// Copyright 2020-2023 The NATS Authors
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -157,13 +157,6 @@ var (
 	// Deprecated: ErrInvalidDurableName is no longer returned and will be removed in future releases.
 	// Use ErrInvalidConsumerName instead.
 	ErrInvalidDurableName = errors.New("nats: invalid durable name")
-
-	// ErrAsyncPublishTimeout is returned when waiting for ack on async publish
-	ErrAsyncPublishTimeout JetStreamError = &jsError{message: "timeout waiting for ack"}
-
-	// ErrTooManyStalledMsgs is returned when too many outstanding async
-	// messages are waiting for ack.
-	ErrTooManyStalledMsgs JetStreamError = &jsError{message: "stalled with too many outstanding async published messages"}
 )
 
 // Error code represents JetStream error codes returned by the API
@@ -173,7 +166,6 @@ const (
 	JSErrCodeJetStreamNotEnabledForAccount ErrorCode = 10039
 	JSErrCodeJetStreamNotEnabled           ErrorCode = 10076
 	JSErrCodeInsufficientResourcesErr      ErrorCode = 10023
-	JSErrCodeJetStreamNotAvailable         ErrorCode = 10008
 
 	JSErrCodeStreamNotFound  ErrorCode = 10059
 	JSErrCodeStreamNameInUse ErrorCode = 10058
diff --git a/vendor/github.com/nats-io/nats.go/jsm.go b/vendor/github.com/nats-io/nats.go/jsm.go
index 18ee255f24..2ae19c7a35 100644
--- a/vendor/github.com/nats-io/nats.go/jsm.go
+++ b/vendor/github.com/nats-io/nats.go/jsm.go
@@ -243,14 +243,6 @@ type StreamConfig struct {
 	// Template identifies the template that manages the Stream. Deprecated:
 	// This feature is no longer supported.
 	Template string `json:"template_owner,omitempty"`
-
-	// AllowMsgTTL allows header initiated per-message TTLs.
-	// This feature requires nats-server v2.11.0 or later.
-	AllowMsgTTL bool `json:"allow_msg_ttl"`
-
-	// Enables and sets a duration for adding server markers for delete, purge and max age limits.
-	// This feature requires nats-server v2.11.0 or later.
-	SubjectDeleteMarkerTTL time.Duration `json:"subject_delete_marker_ttl,omitempty"`
 }
 
 // SubjectTransformConfig is for applying a subject transform (to matching messages) before doing anything else when a new message is received.
diff --git a/vendor/github.com/nats-io/nats.go/kv.go b/vendor/github.com/nats-io/nats.go/kv.go
index 0d75bdf871..bcb283ff84 100644
--- a/vendor/github.com/nats-io/nats.go/kv.go
+++ b/vendor/github.com/nats-io/nats.go/kv.go
@@ -929,14 +929,13 @@ func (kv *kvs) History(key string, opts ...WatchOpt) ([]KeyValueEntry, error) {
 
 // Implementation for Watch
 type watcher struct {
-	mu            sync.Mutex
-	updates       chan KeyValueEntry
-	sub           *Subscription
-	initDone      bool
-	initPending   uint64
-	received      uint64
-	ctx           context.Context
-	initDoneTimer *time.Timer
+	mu          sync.Mutex
+	updates     chan KeyValueEntry
+	sub         *Subscription
+	initDone    bool
+	initPending uint64
+	received    uint64
+	ctx         context.Context
 }
 
 // Context returns the context for the watcher if set.
@@ -1045,11 +1044,8 @@ func (kv *kvs) WatchFiltered(keys []string, opts ...WatchOpt) (KeyWatcher, error
 				w.initPending = delta
 			}
 			if w.received > w.initPending || delta == 0 {
-				w.initDoneTimer.Stop()
 				w.initDone = true
 				w.updates <- nil
-			} else if w.initDoneTimer != nil {
-				w.initDoneTimer.Reset(kv.js.opts.wait)
 			}
 		}
 	}
@@ -1092,16 +1088,6 @@ func (kv *kvs) WatchFiltered(keys []string, opts ...WatchOpt) (KeyWatcher, error
 		if sub.jsi != nil && sub.jsi.pending == 0 {
 			w.initDone = true
 			w.updates <- nil
-		} else {
-			// Set a timer to send the marker if we do not get any messages.
-			w.initDoneTimer = time.AfterFunc(kv.js.opts.wait, func() {
-				w.mu.Lock()
-				defer w.mu.Unlock()
-				if !w.initDone {
-					w.initDone = true
-					w.updates <- nil
-				}
-			})
 		}
 	} else {
 		// if UpdatesOnly was used, mark initialization as complete
@@ -1111,7 +1097,6 @@ func (kv *kvs) WatchFiltered(keys []string, opts ...WatchOpt) (KeyWatcher, error
 	sub.pDone = func(_ string) {
 		close(w.updates)
 	}
-
 	sub.mu.Unlock()
 
 	w.sub = sub
diff --git a/vendor/github.com/nats-io/nats.go/nats.go b/vendor/github.com/nats-io/nats.go/nats.go
index 683505662f..0d13581229 100644
--- a/vendor/github.com/nats-io/nats.go/nats.go
+++ b/vendor/github.com/nats-io/nats.go/nats.go
@@ -47,7 +47,7 @@ import (
 
 // Default Constants
 const (
-	Version                   = "1.40.0"
+	Version                   = "1.39.1"
 	DefaultURL                = "nats://127.0.0.1:4222"
 	DefaultPort               = 4222
 	DefaultMaxReconnect       = 60
@@ -274,6 +274,7 @@ type InProcessConnProvider interface {
 
 // Options can be used to create a customized connection.
 type Options struct {
+
 	// Url represents a single NATS server url to which the client
 	// will be connecting. If the Servers option is also set, it
 	// then becomes the first server in the Servers array.
@@ -421,10 +422,6 @@ type Options struct {
 	// AsyncErrorCB sets the async error handler (e.g. slow consumer errors)
 	AsyncErrorCB ErrHandler
 
-	// ReconnectErrCB sets the callback that is invoked whenever a
-	// reconnect attempt failed
-	ReconnectErrCB ConnErrHandler
-
 	// ReconnectBufSize is the size of the backing bufio during reconnect.
 	// Once this has been exhausted publish operations will return an error.
 	// Defaults to 8388608 bytes (8MB).
@@ -1154,14 +1151,6 @@ func ReconnectHandler(cb ConnHandler) Option {
 	}
 }
 
-// ReconnectErrHandler is an Option to set the reconnect error handler.
-func ReconnectErrHandler(cb ConnErrHandler) Option {
-	return func(o *Options) error {
-		o.ReconnectErrCB = cb
-		return nil
-	}
-}
-
 // ClosedHandler is an Option to set the closed handler.
 func ClosedHandler(cb ConnHandler) Option {
 	return func(o *Options) error {
@@ -2397,6 +2386,7 @@ func (nc *Conn) setup() {
 
 // Process a connected connection and initialize properly.
 func (nc *Conn) processConnectInit() error {
+
 	// Set our deadline for the whole connect process
 	nc.conn.SetDeadline(time.Now().Add(nc.Opts.Timeout))
 	defer nc.conn.SetDeadline(time.Time{})
@@ -2545,6 +2535,7 @@ func (nc *Conn) checkForSecure() error {
 // processExpectedInfo will look for the expected first INFO message
 // sent when a connection is established. The lock should be held entering.
 func (nc *Conn) processExpectedInfo() error {
+
 	c := &control{}
 
 	// Read the protocol
@@ -2649,10 +2640,8 @@ func (nc *Conn) connectProto() (string, error) {
 
 	// If our server does not support headers then we can't do them or no responders.
 	hdrs := nc.info.Headers
-	cinfo := connectInfo{
-		o.Verbose, o.Pedantic, ujwt, nkey, sig, user, pass, token,
-		o.Secure, o.Name, LangString, Version, clientProtoInfo, !o.NoEcho, hdrs, hdrs,
-	}
+	cinfo := connectInfo{o.Verbose, o.Pedantic, ujwt, nkey, sig, user, pass, token,
+		o.Secure, o.Name, LangString, Version, clientProtoInfo, !o.NoEcho, hdrs, hdrs}
 
 	b, err := json.Marshal(cinfo)
 	if err != nil {
@@ -2922,13 +2911,10 @@ func (nc *Conn) doReconnect(err error, forceReconnect bool) {
 
 		// Try to create a new connection
 		err = nc.createConn()
+
 		// Not yet connected, retry...
 		// Continue to hold the lock
 		if err != nil {
-			// Perform appropriate callback for a failed connection attempt.
-			if nc.Opts.ReconnectErrCB != nil {
-				nc.ach.push(func() { nc.Opts.ReconnectErrCB(nc, err) })
-			}
 			nc.err = nil
 			continue
 		}
@@ -3273,7 +3259,7 @@ func (nc *Conn) processMsg(data []byte) {
 	// It's possible that we end-up not using the message, but that's ok.
 
 	// FIXME(dlc): Need to copy, should/can do COW?
-	msgPayload := data
+	var msgPayload = data
 	if !nc.ps.msgCopied {
 		msgPayload = make([]byte, len(data))
 		copy(msgPayload, data)
@@ -3464,10 +3450,8 @@ slowConsumer:
 	}
 }
 
-var (
-	permissionsRe      = regexp.MustCompile(`Subscription to "(\S+)"`)
-	permissionsQueueRe = regexp.MustCompile(`using queue "(\S+)"`)
-)
+var permissionsRe = regexp.MustCompile(`Subscription to "(\S+)"`)
+var permissionsQueueRe = regexp.MustCompile(`using queue "(\S+)"`)
 
 // processTransientError is called when the server signals a non terminal error
 // which does not close the connection or trigger a reconnect.
@@ -3992,7 +3976,7 @@ func (nc *Conn) publish(subj, reply string, hdr, data []byte) error {
 	// go 1.14 some values strconv faster, may be able to switch over.
 
 	var b [12]byte
-	i := len(b)
+	var i = len(b)
 
 	if hdr != nil {
 		if len(hdr) > 0 {
@@ -5693,7 +5677,7 @@ func (nc *Conn) IsDraining() bool {
 // caller must lock
 func (nc *Conn) getServers(implicitOnly bool) []string {
 	poolSize := len(nc.srvPool)
-	servers := make([]string, 0)
+	var servers = make([]string, 0)
 	for i := 0; i < poolSize; i++ {
 		if implicitOnly && !nc.srvPool[i].isImplicit {
 			continue
diff --git a/vendor/modules.txt b/vendor/modules.txt
index d2b6ae0bf7..2ede1e7f06 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1009,8 +1009,8 @@ github.com/nats-io/nats-server/v2/server/stree
 github.com/nats-io/nats-server/v2/server/sysmem
 github.com/nats-io/nats-server/v2/server/thw
 github.com/nats-io/nats-server/v2/server/tpm
-# github.com/nats-io/nats.go v1.40.0
-## explicit; go 1.23.0
+# github.com/nats-io/nats.go v1.39.1
+## explicit; go 1.22.0
 github.com/nats-io/nats.go
 github.com/nats-io/nats.go/encoders/builtin
 github.com/nats-io/nats.go/internal/parser