v25.1.1

Announcement of NFTs by Project X: https://github.com/XTLS/Xray-core/discussions/3633 Project X NFT: https://opensea.io/assets/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1 XHTTP: Beyond REALITY: https://github.com/XTLS/Xray-core/discussions/4113 REALITY NFT: https://opensea.io/assets/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/2
Workflows: Trigger all Build & Test on all branches & files
2025-08-22 09:36:49 +08:00 · 2025-01-01 12:03:05 +00:00 · 2025-01-01 11:51:32 +00:00 · 2025-01-01 11:49:08 +00:00 · 2025-01-01 10:29:34 +00:00 · 2025-01-01 09:23:14 +00:00
47 changed files with 642 additions and 670 deletions
--- a/.github/workflows/release-win7.yml
+++ b/.github/workflows/release-win7.yml
@@ -0,0 +1,160 @@
+name: Build and Release for Windows 7
+
+# NOTE: This Github Actions file depends on the Makefile.
+#       Building the correct package requires the correct binaries generated by the Makefile. To 
+#       ensure the correct output, the Makefile must accept the appropriate input and compile the 
+#       correct file with the correct name. If you need to modify this file, please ensure it won't 
+#       disrupt the Makefile.
+
+on:
+  workflow_dispatch:
+  release:
+    types: [published]
+  push:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  prepare:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Restore Cache
+        uses: actions/cache/restore@v4
+        with:
+          path: resources
+          key: xray-geodat-
+
+      - name: Update Geodat
+        id: update
+        uses: nick-fields/retry@v3
+        with:
+          timeout_minutes: 60
+          retry_wait_seconds: 60
+          max_attempts: 60
+          command: |
+            [ -d 'resources' ] || mkdir resources
+            LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
+            for i in "${LIST[@]}"
+            do
+              INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3}'))
+              FILE_NAME="${INFO[2]}.dat"
+              echo -e "Verifying HASH key..."
+              HASH="$(curl -sL "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat.sha256sum" | awk -F ' ' '{print $1}')"
+              if [ -s "./resources/${FILE_NAME}" ] && [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ]; then
+                  continue
+              else
+                  echo -e "Downloading https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat..."
+                  curl -L "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat" -o ./resources/${FILE_NAME}
+                  echo -e "Verifying HASH key..."
+                  [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ] || { echo -e "The HASH key of ${FILE_NAME} does not match cloud one."; exit 1; }
+                  echo "unhit=true" >> $GITHUB_OUTPUT
+              fi
+            done
+
+      - name: Save Cache
+        uses: actions/cache/save@v4
+        if: ${{ steps.update.outputs.unhit }}
+        with:
+          path: resources
+          key: xray-geodat-${{ github.sha }}-${{ github.run_number }}
+
+  build:
+    needs: prepare
+    permissions:
+      contents: write
+    strategy:
+      matrix:
+        include:
+          # BEGIN Windows 7
+          - goos: windows
+            goarch: amd64
+            assetname: win7-64
+          - goos: windows
+            goarch: 386
+            assetname: win7-32
+          # END Windows 7
+      fail-fast: false
+
+    runs-on: ubuntu-latest
+    env:
+      GOOS: ${{ matrix.goos}}
+      GOARCH: ${{ matrix.goarch }}
+      CGO_ENABLED: 0
+    steps:
+      - name: Show workflow information
+        run: |
+          _NAME=${{ matrix.assetname }}
+          echo "GOOS: ${{ matrix.goos }}, GOARCH: ${{ matrix.goarch }}, RELEASE_NAME: $_NAME"
+          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
+          check-latest: true
+
+      - name: Setup patched builder
+        run: |
+          GOSDK=$(go env GOROOT)
+          curl -O -L https://github.com/XTLS/go-win7/releases/latest/download/go-for-win7-linux-amd64.zip
+          rm -r $GOSDK/*
+          unzip ./go-for-win7-linux-amd64.zip -d $GOSDK
+
+      - name: Checkout codebase
+        uses: actions/checkout@v4
+
+      - name: Get project dependencies
+        run: go mod download
+
+      - name: Build Xray
+        run: |
+          mkdir -p build_assets
+          make
+          find . -maxdepth 1 -type f -regex './\(wxray\|xray\).exe' -exec mv {} ./build_assets/ \;
+
+      - name: Restore Cache
+        uses: actions/cache/restore@v4
+        with:
+          path: resources
+          key: xray-geodat-
+
+      - name: Copy README.md & LICENSE
+        run: |
+          mv -f resources/* build_assets
+          cp ${GITHUB_WORKSPACE}/README.md ./build_assets/README.md
+          cp ${GITHUB_WORKSPACE}/LICENSE ./build_assets/LICENSE
+
+      - name: Create ZIP archive
+        if: github.event_name == 'release'
+        shell: bash
+        run: |
+          pushd build_assets || exit 1
+          touch -mt $(date +%Y01010000) *
+          zip -9vr ../Xray-${{ env.ASSET_NAME }}.zip .
+          popd || exit 1
+          FILE=./Xray-${{ env.ASSET_NAME }}.zip
+          DGST=$FILE.dgst
+          for METHOD in {"md5","sha1","sha256","sha512"}
+          do
+            openssl dgst -$METHOD $FILE | sed 's/([^)]*)//g' >>$DGST
+          done
+
+      - name: Change the name
+        run: |
+          mv build_assets Xray-${{ env.ASSET_NAME }}
+
+      - name: Upload files to Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: Xray-${{ env.ASSET_NAME }}
+          path: |
+            ./Xray-${{ env.ASSET_NAME }}/*
+
+      - name: Upload binaries to release
+        uses: svenstaro/upload-release-action@v2
+        if: github.event_name == 'release'
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ./Xray-${{ env.ASSET_NAME }}.zip*
+          tag: ${{ github.ref }}
+          file_glob: true
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,20 +11,9 @@ on:
  release:
    types: [published]
  push:
-    branches:
-      - main
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/release.yml"
  pull_request:
    types: [opened, synchronize, reopened]
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/release.yml"
+
 jobs:
  prepare:
    runs-on: ubuntu-latest
@@ -78,9 +67,7 @@ jobs:
        # Include amd64 on all platforms.
        goos: [windows, freebsd, openbsd, linux, darwin]
        goarch: [amd64, 386]
-        gotoolchain: [""]
        patch-assetname: [""]
-
        exclude:
          # Exclude i386 on darwin
          - goarch: 386
@@ -155,16 +142,6 @@ jobs:
            goarch: arm
            goarm: 7
          # END OPENBSD ARM
-          # BEGIN Windows 7
-          - goos: windows
-            goarch: amd64
-            gotoolchain: 1.21.4
-            patch-assetname: win7-64
-          - goos: windows
-            goarch: 386
-            gotoolchain: 1.21.4
-            patch-assetname: win7-32
-          # END Windows 7
      fail-fast: false

    runs-on: ubuntu-latest
@@ -187,7 +164,7 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
-          go-version: ${{ matrix.gotoolchain || '1.23' }}
+          go-version-file: go.mod
          check-latest: true

      - name: Get project dependencies
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,20 +2,8 @@ name: Test

 on:
  push:
-    branches:
-      - main
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/*.yml"
  pull_request:
    types: [opened, synchronize, reopened]
-    paths:
-      - "**/*.go"
-      - "go.mod"
-      - "go.sum"
-      - ".github/workflows/*.yml"

 jobs:
  test:
@@ -32,7 +20,7 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
-          go-version: '1.23'
+          go-version-file: go.mod
          check-latest: true
      - name: Restore Cache
        uses: actions/cache/restore@v4
--- a/app/dispatcher/default.go
+++ b/app/dispatcher/default.go
@@ -106,7 +106,7 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		d := new(DefaultDispatcher)
 		if err := core.RequireFeatures(ctx, func(om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager, dc dns.Client) error {
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				d.fdns = fdns
 			})
 			return d.Init(config.(*Config), om, router, pm, sm, dc)
--- a/app/dns/nameserver.go
+++ b/app/dns/nameserver.go
@@ -56,7 +56,7 @@ func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dis
 			return NewTCPLocalNameServer(u, queryStrategy)
 		case strings.EqualFold(u.String(), "fakedns"):
 			var fd dns.FakeDNSEngine
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				fd = fdns
 			})
 			return NewFakeDNSServer(fd), nil
--- a/app/dns/nameserver_doh.go
+++ b/app/dns/nameserver_doh.go
@@ -8,7 +8,6 @@ import (
 	"net/http"
 	"net/url"
 	"sync"
-	"sync/atomic"
 	"time"

 	"github.com/xtls/xray-core/common"
@@ -35,7 +34,6 @@ type DoHNameServer struct {
 	ips           map[string]*record
 	pub           *pubsub.Service
 	cleanup       *task.Periodic
-	reqID         uint32
 	httpClient    *http.Client
 	dohURL        string
 	name          string
@@ -222,7 +220,7 @@ func (s *DoHNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
 }

 func (s *DoHNameServer) newReqID() uint16 {
-	return uint16(atomic.AddUint32(&s.reqID, 1))
+	return 0
 }

 func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
--- a/app/dns/nameserver_quic.go
+++ b/app/dns/nameserver_quic.go
@@ -6,10 +6,9 @@ import (
 	"encoding/binary"
 	"net/url"
 	"sync"
-	"sync/atomic"
 	"time"

-	"github.com/quic-go/quic-go"
+	"github.com/xtls/quic-go"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
@@ -37,7 +36,6 @@ type QUICNameServer struct {
 	ips           map[string]*record
 	pub           *pubsub.Service
 	cleanup       *task.Periodic
-	reqID         uint32
 	name          string
 	destination   *net.Destination
 	connection    quic.Connection
@@ -156,7 +154,7 @@ func (s *QUICNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
 }

 func (s *QUICNameServer) newReqID() uint16 {
-	return uint16(atomic.AddUint32(&s.reqID, 1))
+	return 0
 }

 func (s *QUICNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
--- a/app/observatory/command/command.go
+++ b/app/observatory/command/command.go
@@ -38,7 +38,7 @@ func init() {
 		sv := &service{v: s}
 		err := s.RequireFeatures(func(Observatory extension.Observatory) {
 			sv.observatory = Observatory
-		})
+		}, false)
 		if err != nil {
 			return nil, err
 		}
--- a/app/proxyman/command/command.go
+++ b/app/proxyman/command/command.go
@@ -177,7 +177,7 @@ func (s *service) Register(server *grpc.Server) {
 	common.Must(s.v.RequireFeatures(func(im inbound.Manager, om outbound.Manager) {
 		hs.ihm = im
 		hs.ohm = om
-	}))
+	}, false))
 	RegisterHandlerServiceServer(server, hs)

 	// For compatibility purposes
--- a/app/router/balancing.go
+++ b/app/router/balancing.go
@@ -5,6 +5,7 @@ import (
 	sync "sync"

 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -31,9 +32,10 @@ type RoundRobinStrategy struct {
 func (s *RoundRobinStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
 	if len(s.FallbackTag) > 0 {
-		core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 			s.observatory = observatory
-		})
+			return nil
+		}))
 	}
 }

--- a/app/router/command/command.go
+++ b/app/router/command/command.go
@@ -135,7 +135,7 @@ func (s *service) Register(server *grpc.Server) {
 		vCoreDesc := RoutingService_ServiceDesc
 		vCoreDesc.ServiceName = "v2ray.core.app.router.command.RoutingService"
 		server.RegisterService(&vCoreDesc, rs)
-	}))
+	}, false))
 }

 func init() {
--- a/app/router/strategy_leastload.go
+++ b/app/router/strategy_leastload.go
@@ -7,6 +7,7 @@ import (
 	"time"

 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
@@ -59,9 +60,10 @@ type node struct {

 func (s *LeastLoadStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
-	core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+	common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 		s.observer = observatory
-	})
+		return nil
+	}))
 }

 func (s *LeastLoadStrategy) PickOutbound(candidates []string) string {
--- a/app/router/strategy_leastping.go
+++ b/app/router/strategy_leastping.go
@@ -4,6 +4,7 @@ import (
 	"context"

 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -20,9 +21,10 @@ func (l *LeastPingStrategy) GetPrincipleTarget(strings []string) []string {

 func (l *LeastPingStrategy) InjectContext(ctx context.Context) {
 	l.ctx = ctx
-	core.RequireFeaturesAsync(l.ctx, func(observatory extension.Observatory) {
+	common.Must(core.RequireFeatures(l.ctx, func(observatory extension.Observatory) error {
 		l.observatory = observatory
-	})
+		return nil
+	}))
 }

 func (l *LeastPingStrategy) PickOutbound(strings []string) string {
--- a/app/router/strategy_random.go
+++ b/app/router/strategy_random.go
@@ -4,6 +4,7 @@ import (
 	"context"

 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -20,9 +21,10 @@ type RandomStrategy struct {
 func (s *RandomStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
 	if len(s.FallbackTag) > 0 {
-		core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 			s.observatory = observatory
-		})
+			return nil
+		}))
 	}
 }

--- a/common/common.go
+++ b/common/common.go
@@ -38,7 +38,7 @@ func Error2(v interface{}, err error) error {
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -47,7 +47,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -60,7 +60,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string
--- a/common/protocol/quic/sniff.go
+++ b/common/protocol/quic/sniff.go
@@ -8,7 +8,7 @@ import (
 	"encoding/binary"
 	"io"

-	"github.com/quic-go/quic-go/quicvarint"
+	"github.com/xtls/quic-go/quicvarint"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/bytespool"
--- a/common/reflect/marshal.go
+++ b/common/reflect/marshal.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
+	"slices"
 	"strings"

 	cnet "github.com/xtls/xray-core/common/net"
@@ -31,9 +32,6 @@ func JSONMarshalWithoutEscape(t interface{}) ([]byte, error) {
 }

 func marshalTypedMessage(v *cserial.TypedMessage, ignoreNullValue bool, insertTypeInfo bool) interface{} {
-	if v == nil {
-		return nil
-	}
 	tmsg, err := v.GetInstance()
 	if err != nil {
 		return nil
@@ -194,29 +192,28 @@ func marshalKnownType(v interface{}, ignoreNullValue bool, insertTypeInfo bool)
 	}
 }

+var valueKinds = []reflect.Kind{
+	reflect.Bool,
+	reflect.Int,
+	reflect.Int8,
+	reflect.Int16,
+	reflect.Int32,
+	reflect.Int64,
+	reflect.Uint,
+	reflect.Uint8,
+	reflect.Uint16,
+	reflect.Uint32,
+	reflect.Uint64,
+	reflect.Uintptr,
+	reflect.Float32,
+	reflect.Float64,
+	reflect.Complex64,
+	reflect.Complex128,
+	reflect.String,
+}
+
 func isValueKind(kind reflect.Kind) bool {
-	switch kind {
-	case reflect.Bool,
-		reflect.Int,
-		reflect.Int8,
-		reflect.Int16,
-		reflect.Int32,
-		reflect.Int64,
-		reflect.Uint,
-		reflect.Uint8,
-		reflect.Uint16,
-		reflect.Uint32,
-		reflect.Uint64,
-		reflect.Uintptr,
-		reflect.Float32,
-		reflect.Float64,
-		reflect.Complex64,
-		reflect.Complex128,
-		reflect.String:
-		return true
-	default:
-		return false
-	}
+	return slices.Contains(valueKinds, kind)
 }

 func marshalInterface(v interface{}, ignoreNullValue bool, insertTypeInfo bool) interface{} {
--- a/core/config.go
+++ b/core/config.go
@@ -2,6 +2,7 @@ package core

 import (
 	"io"
+	"slices"
 	"strings"

 	"github.com/xtls/xray-core/common"
@@ -64,14 +65,11 @@ func GetMergedConfig(args cmdarg.Arg) (string, error) {
 	supported := []string{"json", "yaml", "toml"}
 	for _, file := range args {
 		format := getFormat(file)
-		for _, s := range supported {
-			if s == format {
-				files = append(files, &ConfigSource{
-					Name:   file,
-					Format: format,
-				})
-				break
-			}
+		if slices.Contains(supported, format) {
+			files = append(files, &ConfigSource{
+				Name:   file,
+				Format: format,
+			})
 		}
 	}
 	return ConfigMergedFormFiles(files)
--- a/core/core.go
+++ b/core/core.go
@@ -17,9 +17,9 @@ import (
 )

 var (
-	Version_x byte = 24
-	Version_y byte = 12
-	Version_z byte = 18
+	Version_x byte = 25
+	Version_y byte = 1
+	Version_z byte = 1
 )

 var (
--- a/core/xray.go
+++ b/core/xray.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"reflect"
 	"sync"
-	"time"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -45,22 +44,13 @@ func getFeature(allFeatures []features.Feature, t reflect.Type) features.Feature
 	return nil
 }

-func (r *resolution) resolve(allFeatures []features.Feature) (bool, error) {
-	var fs []features.Feature
-	for _, d := range r.deps {
-		f := getFeature(allFeatures, d)
-		if f == nil {
-			return false, nil
-		}
-		fs = append(fs, f)
-	}
-
+func (r *resolution) callbackResolution(allFeatures []features.Feature) error {
 	callback := reflect.ValueOf(r.callback)
 	var input []reflect.Value
 	callbackType := callback.Type()
 	for i := 0; i < callbackType.NumIn(); i++ {
 		pt := callbackType.In(i)
-		for _, f := range fs {
+		for _, f := range allFeatures {
 			if reflect.TypeOf(f).AssignableTo(pt) {
 				input = append(input, reflect.ValueOf(f))
 				break
@@ -85,15 +75,17 @@ func (r *resolution) resolve(allFeatures []features.Feature) (bool, error) {
 		}
 	}

-	return true, err
+	return err
 }

 // Instance combines all Xray features.
 type Instance struct {
-	access             sync.Mutex
-	features           []features.Feature
-	featureResolutions []resolution
-	running            bool
+	statusLock                 sync.Mutex
+	features                   []features.Feature
+	pendingResolutions         []resolution
+	pendingOptionalResolutions []resolution
+	running                    bool
+	resolveLock                sync.Mutex

 	ctx context.Context
 }
@@ -154,13 +146,14 @@ func addOutboundHandlers(server *Instance, configs []*OutboundHandlerConfig) err
 // See Instance.RequireFeatures for more information.
 func RequireFeatures(ctx context.Context, callback interface{}) error {
 	v := MustFromContext(ctx)
-	return v.RequireFeatures(callback)
+	return v.RequireFeatures(callback, false)
 }

-// RequireFeaturesAsync registers a callback, which will be called when all dependent features are registered. The order of app init doesn't matter
-func RequireFeaturesAsync(ctx context.Context, callback interface{}) {
+// OptionalFeatures is a helper function to aquire features from Instance in context.
+// See Instance.RequireFeatures for more information.
+func OptionalFeatures(ctx context.Context, callback interface{}) error {
 	v := MustFromContext(ctx)
-	v.RequireFeaturesAsync(callback)
+	return v.RequireFeatures(callback, true)
 }

 // New returns a new Xray instance based on given configuration.
@@ -234,9 +227,12 @@ func initInstanceWithConfig(config *Config, server *Instance) (bool, error) {
 		}(),
 	)

-	if server.featureResolutions != nil {
+	server.resolveLock.Lock()
+	if server.pendingResolutions != nil {
+		server.resolveLock.Unlock()
 		return true, errors.New("not all dependencies are resolved.")
 	}
+	server.resolveLock.Unlock()

 	if err := addInboundHandlers(server, config.Inbound); err != nil {
 		return true, err
@@ -255,8 +251,8 @@ func (s *Instance) Type() interface{} {

 // Close shutdown the Xray instance.
 func (s *Instance) Close() error {
-	s.access.Lock()
-	defer s.access.Unlock()
+	s.statusLock.Lock()
+	defer s.statusLock.Unlock()

 	s.running = false

@@ -275,7 +271,7 @@ func (s *Instance) Close() error {

 // RequireFeatures registers a callback, which will be called when all dependent features are registered.
 // The callback must be a func(). All its parameters must be features.Feature.
-func (s *Instance) RequireFeatures(callback interface{}) error {
+func (s *Instance) RequireFeatures(callback interface{}, optional bool) error {
 	callbackType := reflect.TypeOf(callback)
 	if callbackType.Kind() != reflect.Func {
 		panic("not a function")
@@ -290,47 +286,32 @@ func (s *Instance) RequireFeatures(callback interface{}) error {
 		deps:     featureTypes,
 		callback: callback,
 	}
-	if finished, err := r.resolve(s.features); finished {
-		return err
-	}
-	s.featureResolutions = append(s.featureResolutions, r)
-	return nil
-}

-// RequireFeaturesAsync registers a callback, which will be called when all dependent features are registered. The order of app init doesn't matter
-func (s *Instance) RequireFeaturesAsync(callback interface{}) {
-	callbackType := reflect.TypeOf(callback)
-	if callbackType.Kind() != reflect.Func {
-		panic("not a function")
-	}
-
-	var featureTypes []reflect.Type
-	for i := 0; i < callbackType.NumIn(); i++ {
-		featureTypes = append(featureTypes, reflect.PtrTo(callbackType.In(i)))
-	}
-
-	r := resolution{
-		deps:     featureTypes,
-		callback: callback,
-	}
-	go func() {
-		var finished = false
-		for i := 0; !finished; i++ {
-			if i > 100000 {
-				errors.LogError(s.ctx, "RequireFeaturesAsync failed after count ", i)
-				break;
-			}
-			finished, _ = r.resolve(s.features)
-			time.Sleep(time.Millisecond)
+	s.resolveLock.Lock()
+	foundAll := true
+	for _, d := range r.deps {
+		f := getFeature(s.features, d)
+		if f == nil {
+			foundAll = false
+			break
 		}
-		s.featureResolutions = append(s.featureResolutions, r)
-	}()
+	}
+	if foundAll {
+		s.resolveLock.Unlock()
+		return r.callbackResolution(s.features)
+	} else {
+		if optional {
+			s.pendingOptionalResolutions = append(s.pendingOptionalResolutions, r)
+		} else {
+			s.pendingResolutions = append(s.pendingResolutions, r)
+		}
+		s.resolveLock.Unlock()
+		return nil
+	}
 }

 // AddFeature registers a feature into current Instance.
 func (s *Instance) AddFeature(feature features.Feature) error {
-	s.features = append(s.features, feature)
-
 	if s.running {
 		if err := feature.Start(); err != nil {
 			errors.LogInfoInner(s.ctx, err, "failed to start feature")
@@ -338,27 +319,52 @@ func (s *Instance) AddFeature(feature features.Feature) error {
 		return nil
 	}

-	if s.featureResolutions == nil {
-		return nil
-	}
+	s.resolveLock.Lock()
+	s.features = append(s.features, feature)

-	var pendingResolutions []resolution
-	for _, r := range s.featureResolutions {
-		finished, err := r.resolve(s.features)
-		if finished && err != nil {
-			return err
+	var availableResolution []resolution
+	var pending []resolution
+	for _, r := range s.pendingResolutions {
+		foundAll := true
+		for _, d := range r.deps {
+			f := getFeature(s.features, d)
+			if f == nil {
+				foundAll = false
+				break
+			}
 		}
-		if !finished {
-			pendingResolutions = append(pendingResolutions, r)
+		if foundAll {
+			availableResolution = append(availableResolution, r)
+		} else {
+			pending = append(pending, r)
 		}
 	}
-	if len(pendingResolutions) == 0 {
-		s.featureResolutions = nil
-	} else if len(pendingResolutions) < len(s.featureResolutions) {
-		s.featureResolutions = pendingResolutions
-	}
+	s.pendingResolutions = pending

-	return nil
+	var pendingOptional []resolution
+	for _, r := range s.pendingOptionalResolutions {
+		foundAll := true
+		for _, d := range r.deps {
+			f := getFeature(s.features, d)
+			if f == nil {
+				foundAll = false
+				break
+			}
+		}
+		if foundAll {
+			availableResolution = append(availableResolution, r)
+		} else {
+			pendingOptional = append(pendingOptional, r)
+		}
+	}
+	s.pendingOptionalResolutions = pendingOptional
+	s.resolveLock.Unlock()
+	
+	var err error
+	for _, r := range availableResolution {
+		err = r.callbackResolution(s.features) // only return the last error for now
+	}
+	return err
 }

 // GetFeature returns a feature of the given type, or nil if such feature is not registered.
@@ -371,8 +377,8 @@ func (s *Instance) GetFeature(featureType interface{}) features.Feature {
 //
 // xray:api:stable
 func (s *Instance) Start() error {
-	s.access.Lock()
-	defer s.access.Unlock()
+	s.statusLock.Lock()
+	defer s.statusLock.Unlock()

 	s.running = true
 	for _, f := range s.features {
--- a/core/xray_test.go
+++ b/core/xray_test.go
@@ -30,7 +30,7 @@ func TestXrayDependency(t *testing.T) {
 			t.Error("expected dns client fulfilled, but actually nil")
 		}
 		wait <- true
-	})
+	}, false)
 	instance.AddFeature(localdns.New())
 	<-wait
 }
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,10 @@
 module github.com/xtls/xray-core

-go 1.21.4
-
-replace github.com/quic-go/quic-go v0.46.0 => github.com/xtls/quic-go v0.46.2
+go 1.23

 require (
 	github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0
-	github.com/cloudflare/circl v1.4.0
+	github.com/cloudflare/circl v1.5.0
 	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.7.0-rc.1
 	github.com/google/go-cmp v0.6.0
@@ -14,7 +12,6 @@ require (
 	github.com/miekg/dns v1.1.62
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.8.0
-	github.com/quic-go/quic-go v0.46.0
 	github.com/refraction-networking/utls v1.6.7
 	github.com/sagernet/sing v0.5.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
@@ -22,15 +19,16 @@ require (
 	github.com/stretchr/testify v1.10.0
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
 	github.com/vishvananda/netlink v1.3.0
+	github.com/xtls/quic-go v0.48.2
 	github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
 	golang.org/x/crypto v0.31.0
-	golang.org/x/net v0.32.0
+	golang.org/x/net v0.33.0
 	golang.org/x/sync v0.10.0
 	golang.org/x/sys v0.28.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
-	google.golang.org/grpc v1.67.1
-	google.golang.org/protobuf v1.36.0
+	google.golang.org/grpc v1.69.2
+	google.golang.org/protobuf v1.36.1
 	gvisor.dev/gvisor v0.0.0-20231202080848-1f7806d17489
 	h12.io/socks v1.0.3
 	lukechampine.com/blake3 v1.3.0
@@ -47,7 +45,7 @@ require (
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
 	github.com/onsi/ginkgo/v2 v2.19.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qpack v0.5.1 // indirect
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
 	go.uber.org/mock v0.4.0 // indirect
@@ -57,7 +55,7 @@ require (
 	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.22.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0 h1:Wo41lDOevRJS
 github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0/go.mod h1:FVGavL/QEBQDcBpr3fAojoK17xX5k9bicBphrOpP7uM=
 github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
 github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
-github.com/cloudflare/circl v1.4.0 h1:BV7h5MgrktNzytKmWjpOtdYrf0lkkbF8YMlBGPhJQrY=
-github.com/cloudflare/circl v1.4.0/go.mod h1:PDRU+oXvdD7KCtgKxW95M5Z8BpSCJXQORiZFnBQS5QU=
+github.com/cloudflare/circl v1.5.0 h1:hxIWksrX6XN5a1L2TI/h53AGPhNHoUBo+TD1ms9+pys=
+github.com/cloudflare/circl v1.5.0/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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=
@@ -12,18 +12,24 @@ github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140 h1:y7y0Oa6UawqTFP
 github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140/go.mod h1:c9O8+fpSOX1DM8cPNSkX/qsBWdkD4yd2dpciOWQjpBw=
 github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344 h1:Arcl6UOIS/kgO2nW3A65HN+7CMjSDP/gofXL4CZt1V4=
 github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
-github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
-github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI=
 github.com/go-task/slim-sprig/v3 v3.0.0/go.mod h1:W848ghGpv3Qj3dhTPRyJypKRiqCdHZiAzKg9hl15HA8=
 github.com/golang/mock v1.7.0-rc.1 h1:YojYx61/OLFsiv6Rw1Z96LpldJIy31o+UHmwAUMJ6/U=
 github.com/golang/mock v1.7.0-rc.1/go.mod h1:s42URUywIqd+OcERslBJvOjepvNymP31m3q8d/GkuRs=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU=
 github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/pprof v0.0.0-20240528025155-186aa0362fba h1:ql1qNgCyOB7iAEk8JTNM+zJrgIbnyCKX/wdlyPufP5g=
 github.com/google/pprof v0.0.0-20240528025155-186aa0362fba/go.mod h1:K1liHPHnj73Fdn/EKuT8nrFqBihUSKXoLYU0BuatOYo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/h12w/go-socks5 v0.0.0-20200522160539-76189e178364 h1:5XxdakFhqd9dnXoAZy1Mb2R/DZ6D1e+0bGC/JhucGYI=
@@ -46,8 +52,8 @@ github.com/pires/go-proxyproto v0.8.0 h1:5unRmEAPbHXHuLjDg01CxJWf91cw3lKHc/0xzKp
 github.com/pires/go-proxyproto v0.8.0/go.mod h1:iknsfgnH8EkjrMeMyvfKByp9TiBZCKZM0jx2xmKqnVY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/quic-go/qpack v0.4.0 h1:Cr9BXA1sQS2SmDUWjSofMPNKmvF6IiIfDRmgU0w1ZCo=
-github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1Knj9A=
+github.com/quic-go/qpack v0.5.1 h1:giqksBPnT/HDtZ6VhtFKgoLOWmlyo9Ei6u9PqzIMbhI=
+github.com/quic-go/qpack v0.5.1/go.mod h1:+PC4XFrEskIVkcLzpEkbLqq1uCoxPhQuvK5rH1ZgaEg=
 github.com/refraction-networking/utls v1.6.7 h1:zVJ7sP1dJx/WtVuITug3qYUq034cDq9B2MR1K67ULZM=
 github.com/refraction-networking/utls v1.6.7/go.mod h1:BC3O4vQzye5hqpmDTWUqi4P5DDhzJfkV1tdqtawQIH0=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
@@ -68,11 +74,21 @@ github.com/vishvananda/netlink v1.3.0 h1:X7l42GfcV4S6E4vHTsw48qbrV+9PVojNfIhZcwQ
 github.com/vishvananda/netlink v1.3.0/go.mod h1:i6NetklAujEcC6fK0JPjT8qSwWyO0HLn4UKG+hGqeJs=
 github.com/vishvananda/netns v0.0.4 h1:Oeaw1EM2JMxD51g9uhtC0D7erkIjgmj8+JZc26m1YX8=
 github.com/vishvananda/netns v0.0.4/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=
-github.com/xtls/quic-go v0.46.2 h1:bzUnZIQIH8SyqYGR6fAXzEvZauA+32J/2w2AtnEFa1o=
-github.com/xtls/quic-go v0.46.2/go.mod h1:1dLehS7TIR64+vxGR70GDcatWTOtMX2PUtnKsjbTurI=
+github.com/xtls/quic-go v0.48.2 h1:59Gs+E9qtc9s0uniXYDA649gNEZlMWcNpFLyp9jfkuE=
+github.com/xtls/quic-go v0.48.2/go.mod h1:rcyY5J0JT+1d5pa5Y+FbCsXM7Zu79jE87ZSFOBfiH7Q=
 github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d h1:+B97uD9uHLgAAulhigmys4BVwZZypzK7gPN3WtpgRJg=
 github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d/go.mod h1:dm4y/1QwzjGaK17ofi0Vs6NpKAHegZky8qk6J2JJZAE=
 github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.opentelemetry.io/otel v1.31.0 h1:NsJcKPIW0D0H3NgzPDHmo0WW6SptzPdqg/L1zsIm2hY=
+go.opentelemetry.io/otel v1.31.0/go.mod h1:O0C14Yl9FgkjqcCZAsE053C13OaddMYr/hz6clDkEJE=
+go.opentelemetry.io/otel/metric v1.31.0 h1:FSErL0ATQAmYHUIzSezZibnyVlft1ybhy4ozRPcF2fE=
+go.opentelemetry.io/otel/metric v1.31.0/go.mod h1:C3dEloVbLuYoX41KpmAhOqNriGbA+qqH6PQ5E5mUfnY=
+go.opentelemetry.io/otel/sdk v1.31.0 h1:xLY3abVHYZ5HSfOg3l2E5LUj2Cwva5Y7yGxnSW9H5Gk=
+go.opentelemetry.io/otel/sdk v1.31.0/go.mod h1:TfRbMdhvxIIr/B2N2LQW2S5v9m3gOQ/08KsbbO5BPT0=
+go.opentelemetry.io/otel/sdk/metric v1.31.0 h1:i9hxxLJF/9kkvfHppyLL55aW7iIJz4JjxTeYusH7zMc=
+go.opentelemetry.io/otel/sdk/metric v1.31.0/go.mod h1:CRInTMVvNhUKgSAMbKyTMxqOBC0zgyxzW55lZzX43Y8=
+go.opentelemetry.io/otel/trace v1.31.0 h1:ffjsj1aRouKewfr85U2aGagJ46+MvodynlQ1HYdmJys=
+go.opentelemetry.io/otel/trace v1.31.0/go.mod h1:TXZkRk7SM2ZQLtR6eoAWQFIHPvzQ06FJAsO1tJg480A=
 go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
 go.uber.org/mock v0.4.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBseWJUpBw5I82+2U4M=
@@ -89,8 +105,8 @@ golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
-golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
@@ -125,12 +141,12 @@ golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeu
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
 golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173 h1:/jFs0duh4rdb8uIfPMv78iAJGcPKDeqAFnaLBropIC4=
 golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173/go.mod h1:tkCQ4FQXmpAgYVh++1cq16/dH4QJtmvpRv19DWGAHSA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 h1:e7S5W7MGGLaSu8j3YjdezkZ+m1/Nm0uRVRMEMGk26Xs=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
-google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
-google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
-google.golang.org/protobuf v1.36.0 h1:mjIs9gYtt56AzC4ZaffQuh88TZurBGhIJMBZGSxNerQ=
-google.golang.org/protobuf v1.36.0/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 h1:X58yt85/IXCx0Y3ZwN6sEIKZzQtDEYaBWrDvErdXrRE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI=
+google.golang.org/grpc v1.69.2 h1:U3S9QEtbXC0bYNvRtcoklF3xGtLViumSYxWykJS+7AU=
+google.golang.org/grpc v1.69.2/go.mod h1:vyjdE6jLBI76dgpDojsFGNaHlxdjXN9ghpnd2o7JGZ4=
+google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
+google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
--- a/infra/conf/common.go
+++ b/infra/conf/common.go
@@ -2,6 +2,7 @@ package conf

 import (
 	"encoding/json"
+	"fmt"
 	"strconv"
 	"strings"

@@ -258,6 +259,18 @@ type Int32Range struct {
 	To    int32
 }

+func (v Int32Range) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.String())
+}
+
+func (v Int32Range) String() string {
+	if v.Left == v.Right {
+		return strconv.Itoa(int(v.Left))
+	} else {
+		return fmt.Sprintf("%d-%d", v.Left, v.Right)
+	}
+}
+
 func (v *Int32Range) UnmarshalJSON(data []byte) error {
 	defer v.ensureOrder()
 	var str string
--- a/infra/conf/freedom.go
+++ b/infra/conf/freedom.go
@@ -161,9 +161,6 @@ func ParseNoise(noise *Noise) (*freedom.Noise, error) {
 		}
 		NConfig.LengthMin = uint64(min)
 		NConfig.LengthMax = uint64(max)
-		if NConfig.LengthMin > NConfig.LengthMax {
-			NConfig.LengthMin, NConfig.LengthMax = NConfig.LengthMax, NConfig.LengthMin
-		}
 		if NConfig.LengthMin == 0 {
 			return nil, errors.New("rand lengthMin or lengthMax cannot be 0")
 		}
@@ -180,23 +177,12 @@ func ParseNoise(noise *Noise) (*freedom.Noise, error) {
 		}

 	default:
-		return nil, errors.New("Invalid packet,only rand,str,base64 are supported")
+		return nil, errors.New("Invalid packet, only rand/str/base64 are supported")
 	}

 	if noise.Delay != nil {
-		if noise.Delay.From != 0 && noise.Delay.To != 0 {
-			NConfig.DelayMin = uint64(noise.Delay.From)
-			NConfig.DelayMax = uint64(noise.Delay.To)
-			if NConfig.DelayMin > NConfig.LengthMax {
-				NConfig.DelayMin, NConfig.DelayMax = NConfig.LengthMax, NConfig.DelayMin
-			}
-		} else {
-			return nil, errors.New("DelayMin or DelayMax cannot be zero")
-		}
-
-	} else {
-		NConfig.DelayMin = 0
-		NConfig.DelayMax = 0
+		NConfig.DelayMin = uint64(noise.Delay.From)
+		NConfig.DelayMax = uint64(noise.Delay.To)
 	}
 	return NConfig, nil
 }
--- a/infra/conf/transport_internet.go
+++ b/infra/conf/transport_internet.go
@@ -240,8 +240,8 @@ type XmuxConfig struct {
 	MaxConcurrency   Int32Range `json:"maxConcurrency"`
 	MaxConnections   Int32Range `json:"maxConnections"`
 	CMaxReuseTimes   Int32Range `json:"cMaxReuseTimes"`
-	CMaxLifetimeMs   Int32Range `json:"cMaxLifetimeMs"`
 	HMaxRequestTimes Int32Range `json:"hMaxRequestTimes"`
+	HMaxReusableSecs Int32Range `json:"hMaxReusableSecs"`
 	HKeepAlivePeriod int64      `json:"hKeepAlivePeriod"`
 }

@@ -262,7 +262,6 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		extra.Host = c.Host
 		extra.Path = c.Path
 		extra.Mode = c.Mode
-		extra.Extra = c.Extra
 		c = &extra
 	}

@@ -287,10 +286,10 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 	if c.Xmux == (XmuxConfig{}) {
 		c.Xmux.MaxConcurrency.From = 16
 		c.Xmux.MaxConcurrency.To = 32
-		c.Xmux.CMaxReuseTimes.From = 64
-		c.Xmux.CMaxReuseTimes.To = 128
-		c.Xmux.HMaxRequestTimes.From = 800
+		c.Xmux.HMaxRequestTimes.From = 600
 		c.Xmux.HMaxRequestTimes.To = 900
+		c.Xmux.HMaxReusableSecs.From = 1800
+		c.Xmux.HMaxReusableSecs.To = 3000
 	}

 	config := &splithttp.Config{
@@ -308,8 +307,8 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 			MaxConcurrency:   newRangeConfig(c.Xmux.MaxConcurrency),
 			MaxConnections:   newRangeConfig(c.Xmux.MaxConnections),
 			CMaxReuseTimes:   newRangeConfig(c.Xmux.CMaxReuseTimes),
-			CMaxLifetimeMs:   newRangeConfig(c.Xmux.CMaxLifetimeMs),
 			HMaxRequestTimes: newRangeConfig(c.Xmux.HMaxRequestTimes),
+			HMaxReusableSecs: newRangeConfig(c.Xmux.HMaxReusableSecs),
 			HKeepAlivePeriod: c.Xmux.HKeepAlivePeriod,
 		},
 	}
@@ -318,9 +317,6 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		if c.Mode == "stream-one" {
 			return nil, errors.New(`Can not use "downloadSettings" in "stream-one" mode.`)
 		}
-		if c.Extra != nil {
-			c.DownloadSettings.SocketSettings = nil
-		}
 		var err error
 		if config.DownloadSettings, err = c.DownloadSettings.Build(); err != nil {
 			return nil, errors.New(`Failed to build "downloadSettings".`).Base(err)
@@ -689,7 +685,7 @@ type SocketConfig struct {
 	TCPCongestion        string                 `json:"tcpCongestion"`
 	TCPWindowClamp       int32                  `json:"tcpWindowClamp"`
 	TCPMaxSeg            int32                  `json:"tcpMaxSeg"`
-	TcpNoDelay           bool                   `json:"tcpNoDelay"`
+	Penetrate            bool                   `json:"penetrate"`
 	TCPUserTimeout       int32                  `json:"tcpUserTimeout"`
 	V6only               bool                   `json:"v6only"`
 	Interface            string                 `json:"interface"`
@@ -776,7 +772,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 		TcpCongestion:        c.TCPCongestion,
 		TcpWindowClamp:       c.TCPWindowClamp,
 		TcpMaxSeg:            c.TCPMaxSeg,
-		TcpNoDelay:           c.TcpNoDelay,
+		Penetrate:            c.Penetrate,
 		TcpUserTimeout:       c.TCPUserTimeout,
 		V6Only:               c.V6only,
 		Interface:            c.Interface,
--- a/infra/conf/xray.go
+++ b/infra/conf/xray.go
@@ -24,6 +24,7 @@ var (
 		"dokodemo-door": func() interface{} { return new(DokodemoConfig) },
 		"http":          func() interface{} { return new(HTTPServerConfig) },
 		"shadowsocks":   func() interface{} { return new(ShadowsocksServerConfig) },
+		"mixed":         func() interface{} { return new(SocksServerConfig) },
 		"socks":         func() interface{} { return new(SocksServerConfig) },
 		"vless":         func() interface{} { return new(VLessInboundConfig) },
 		"vmess":         func() interface{} { return new(VMessInboundConfig) },
--- a/infra/vformat/main.go
+++ b/infra/vformat/main.go
@@ -1,6 +1,7 @@
 package main

 import (
+	"errors"
 	"flag"
 	"fmt"
 	"go/build"
@@ -18,7 +19,7 @@ var directory = flag.String("pwd", "", "Working directory of Xray vformat.")
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -27,7 +28,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -40,7 +41,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string
--- a/infra/vprotogen/main.go
+++ b/infra/vprotogen/main.go
@@ -1,6 +1,7 @@
 package main

 import (
+	"errors"
 	"flag"
 	"fmt"
 	"go/build"
@@ -22,7 +23,7 @@ var directory = flag.String("pwd", "", "Working directory of Xray vprotogen.")
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -31,7 +32,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -44,7 +45,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string
@@ -101,12 +102,12 @@ Download %s v%s or later from https://github.com/protocolbuffers/protobuf/releas
 func getProjectProtocVersion(url string) (string, error) {
 	resp, err := http.Get(url)
 	if err != nil {
-		return "", fmt.Errorf("can not get the version of protobuf used in xray project")
+		return "", errors.New("can not get the version of protobuf used in xray project")
 	}
 	defer resp.Body.Close()
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
-		return "", fmt.Errorf("can not read from body")
+		return "", errors.New("can not read from body")
 	}
 	versionRegexp := regexp.MustCompile(`\/\/\s*protoc\s*v\d+\.(\d+\.\d+)`)
 	matched := versionRegexp.FindStringSubmatch(string(body))
--- a/main/commands/all/api/shared.go
+++ b/main/commands/all/api/shared.go
@@ -3,6 +3,7 @@ package api
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -101,7 +102,7 @@ func fetchHTTPContent(target string) ([]byte, error) {

 	content, err := buf.ReadAllToBytes(resp.Body)
 	if err != nil {
-		return nil, fmt.Errorf("failed to read HTTP response")
+		return nil, errors.New("failed to read HTTP response")
 	}

 	return content, nil
--- a/proxy/dns/dns.go
+++ b/proxy/dns/dns.go
@@ -27,7 +27,7 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		h := new(Handler)
 		if err := core.RequireFeatures(ctx, func(dnsClient dns.Client, policyManager policy.Manager) error {
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				h.fdns = fdns
 			})
 			return h.Init(config.(*Config), dnsClient, policyManager)
--- a/proxy/dokodemo/dokodemo.go
+++ b/proxy/dokodemo/dokodemo.go
@@ -2,6 +2,7 @@ package dokodemo

 import (
 	"context"
+	"runtime"
 	"sync/atomic"

 	"github.com/xtls/xray-core/common"
@@ -147,10 +148,6 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 		return nil
 	}

-	tproxyRequest := func() error {
-		return nil
-	}
-
 	var writer buf.Writer
 	if network == net.Network_TCP {
 		writer = buf.NewWriter(conn)
@@ -180,7 +177,12 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 				return err
 			}
 			writer = NewPacketWriter(pConn, &dest, mark, back)
-			defer writer.(*PacketWriter).Close()
+			defer func() {
+				runtime.Gosched()
+				common.Interrupt(link.Reader) // maybe duplicated
+				runtime.Gosched()
+				writer.(*PacketWriter).Close() // close fake UDP conns
+			}()
 			/*
 				sockopt := &internet.SocketConfig{
 					Tproxy: internet.SocketConfig_TProxy,
@@ -219,17 +221,24 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 	responseDone := func() error {
 		defer timer.SetTimeout(plcy.Timeouts.UplinkOnly)

+		if network == net.Network_UDP && destinationOverridden {
+			buf.Copy(link.Reader, writer) // respect upload's timeout
+			return nil
+		}
+
 		if err := buf.Copy(link.Reader, writer, buf.UpdateActivity(timer)); err != nil {
 			return errors.New("failed to transport response").Base(err)
 		}
 		return nil
 	}

-	if err := task.Run(ctx, task.OnSuccess(func() error {
-		return task.Run(ctx, requestDone, tproxyRequest)
-	}, task.Close(link.Writer)), responseDone); err != nil {
-		common.Interrupt(link.Reader)
+	if err := task.Run(ctx,
+		task.OnSuccess(func() error { return task.Run(ctx, requestDone) }, task.Close(link.Writer)),
+		responseDone); err != nil {
+		runtime.Gosched()
 		common.Interrupt(link.Writer)
+		runtime.Gosched()
+		common.Interrupt(link.Reader)
 		return errors.New("connection ends").Base(err)
 	}

--- a/proxy/freedom/freedom.go
+++ b/proxy/freedom/freedom.go
@@ -419,7 +419,7 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 			}
 			w.Writer.WriteMultiBuffer(buf.MultiBuffer{buf.FromBytes(noise)})

-			if n.DelayMin != 0 {
+			if n.DelayMin != 0 || n.DelayMax != 0 {
 				time.Sleep(time.Duration(randBetween(int64(n.DelayMin), int64(n.DelayMax))) * time.Millisecond)
 			}
 		}
--- a/transport/internet/config.pb.go
+++ b/transport/internet/config.pb.go
@@ -448,7 +448,7 @@ type SocketConfig struct {
 	TcpWindowClamp             int32            `protobuf:"varint,15,opt,name=tcp_window_clamp,json=tcpWindowClamp,proto3" json:"tcp_window_clamp,omitempty"`
 	TcpUserTimeout             int32            `protobuf:"varint,16,opt,name=tcp_user_timeout,json=tcpUserTimeout,proto3" json:"tcp_user_timeout,omitempty"`
 	TcpMaxSeg                  int32            `protobuf:"varint,17,opt,name=tcp_max_seg,json=tcpMaxSeg,proto3" json:"tcp_max_seg,omitempty"`
-	TcpNoDelay                 bool             `protobuf:"varint,18,opt,name=tcp_no_delay,json=tcpNoDelay,proto3" json:"tcp_no_delay,omitempty"`
+	Penetrate                  bool             `protobuf:"varint,18,opt,name=penetrate,proto3" json:"penetrate,omitempty"`
 	TcpMptcp                   bool             `protobuf:"varint,19,opt,name=tcp_mptcp,json=tcpMptcp,proto3" json:"tcp_mptcp,omitempty"`
 	CustomSockopt              []*CustomSockopt `protobuf:"bytes,20,rep,name=customSockopt,proto3" json:"customSockopt,omitempty"`
 }
@@ -602,9 +602,9 @@ func (x *SocketConfig) GetTcpMaxSeg() int32 {
 	return 0
 }

-func (x *SocketConfig) GetTcpNoDelay() bool {
+func (x *SocketConfig) GetPenetrate() bool {
 	if x != nil {
-		return x.TcpNoDelay
+		return x.Penetrate
 	}
 	return false
 }
@@ -678,7 +678,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x28, 0x09, 0x52, 0x03, 0x6f, 0x70, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
 	0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x12, 0x0a,
 	0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70,
-	0x65, 0x22, 0x9f, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
+	0x65, 0x22, 0x9b, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
 	0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05,
 	0x52, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x66, 0x6f, 0x18, 0x02, 0x20,
 	0x01, 0x28, 0x05, 0x52, 0x03, 0x74, 0x66, 0x6f, 0x12, 0x48, 0x0a, 0x06, 0x74, 0x70, 0x72, 0x6f,
@@ -724,36 +724,36 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x10, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0e, 0x74, 0x63, 0x70, 0x55, 0x73, 0x65, 0x72, 0x54, 0x69,
 	0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x1e, 0x0a, 0x0b, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x61, 0x78,
 	0x5f, 0x73, 0x65, 0x67, 0x18, 0x11, 0x20, 0x01, 0x28, 0x05, 0x52, 0x09, 0x74, 0x63, 0x70, 0x4d,
-	0x61, 0x78, 0x53, 0x65, 0x67, 0x12, 0x20, 0x0a, 0x0c, 0x74, 0x63, 0x70, 0x5f, 0x6e, 0x6f, 0x5f,
-	0x64, 0x65, 0x6c, 0x61, 0x79, 0x18, 0x12, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x74, 0x63, 0x70,
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+	0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x06, 0x12, 0x0d, 0x0a,
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+	0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08, 0x12, 0x0e, 0x0a, 0x0a, 0x46,
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+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72,
+	0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
+	0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0xaa, 0x02, 0x17, 0x58, 0x72, 0x61,
+	0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65,
+	0x72, 0x6e, 0x65, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }

 var (
--- a/transport/internet/config.proto
+++ b/transport/internet/config.proto
@@ -103,7 +103,7 @@ message SocketConfig {
  
  string interface = 13;

-  bool   v6only = 14;
+  bool v6only = 14;

  int32 tcp_window_clamp = 15;

@@ -111,7 +111,7 @@ message SocketConfig {

  int32 tcp_max_seg = 17;

-  bool tcp_no_delay = 18;
+  bool penetrate = 18;

  bool tcp_mptcp = 19;

--- a/transport/internet/sockopt_darwin.go
+++ b/transport/internet/sockopt_darwin.go
@@ -136,12 +136,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 				return errors.New("failed to unset SO_KEEPALIVE", err)
 			}
 		}
-
-		if config.TcpNoDelay {
-			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, unix.TCP_NODELAY, 1); err != nil {
-				return errors.New("failed to set TCP_NODELAY", err)
-			}
-		}
 	}

 	return nil
--- a/transport/internet/sockopt_linux.go
+++ b/transport/internet/sockopt_linux.go
@@ -103,11 +103,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 			}
 		}

-		if config.TcpNoDelay {
-			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_NODELAY, 1); err != nil {
-				return errors.New("failed to set TCP_NODELAY", err)
-			}
-		}
 		if len(config.CustomSockopt) > 0 {
 			for _, custom := range config.CustomSockopt {
 				var level = 0x6 // default TCP
--- a/transport/internet/sockopt_windows.go
+++ b/transport/internet/sockopt_windows.go
@@ -61,11 +61,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 				return errors.New("failed to unset SO_KEEPALIVE", err)
 			}
 		}
-		if config.TcpNoDelay {
-			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_TCP, syscall.TCP_NODELAY, 1); err != nil {
-				return errors.New("failed to set TCP_NODELAY", err)
-			}
-		}
 	}

 	return nil
--- a/transport/internet/splithttp/browser_client.go
+++ b/transport/internet/splithttp/browser_client.go
@@ -17,16 +17,12 @@ func (c *BrowserDialerClient) IsClosed() bool {
 	panic("not implemented yet")
 }

-func (c *BrowserDialerClient) Open(ctx context.Context, pureURL string) (io.WriteCloser, io.ReadCloser) {
-	panic("not implemented yet")
-}
+func (c *BrowserDialerClient) OpenStream(ctx context.Context, url string, body io.Reader, uploadOnly bool) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
+	if body != nil {
+		panic("not implemented yet")
+	}

-func (c *BrowserDialerClient) OpenUpload(ctx context.Context, baseURL string) io.WriteCloser {
-	panic("not implemented yet")
-}
-
-func (c *BrowserDialerClient) OpenDownload(ctx context.Context, baseURL string) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
-	conn, err := browser_dialer.DialGet(baseURL)
+	conn, err := browser_dialer.DialGet(url)
 	dummyAddr := &gonet.IPAddr{}
 	if err != nil {
 		return nil, dummyAddr, dummyAddr, err
@@ -35,8 +31,8 @@ func (c *BrowserDialerClient) OpenDownload(ctx context.Context, baseURL string)
 	return websocket.NewConnection(conn, dummyAddr, nil, 0), conn.RemoteAddr(), conn.LocalAddr(), nil
 }

-func (c *BrowserDialerClient) SendUploadRequest(ctx context.Context, url string, payload io.ReadWriteCloser, contentLength int64) error {
-	bytes, err := io.ReadAll(payload)
+func (c *BrowserDialerClient) PostPacket(ctx context.Context, url string, body io.Reader, contentLength int64) error {
+	bytes, err := io.ReadAll(body)
 	if err != nil {
 		return err
 	}
--- a/transport/internet/splithttp/client.go
+++ b/transport/internet/splithttp/client.go
@@ -20,21 +20,11 @@ import (
 type DialerClient interface {
 	IsClosed() bool

-	// (ctx, baseURL, payload) -> err
-	// baseURL already contains sessionId and seq
-	SendUploadRequest(context.Context, string, io.ReadWriteCloser, int64) error
+	// ctx, url, body, uploadOnly
+	OpenStream(context.Context, string, io.Reader, bool) (io.ReadCloser, net.Addr, net.Addr, error)

-	// (ctx, baseURL) -> (downloadReader, remoteAddr, localAddr)
-	// baseURL already contains sessionId
-	OpenDownload(context.Context, string) (io.ReadCloser, net.Addr, net.Addr, error)
-
-	// (ctx, baseURL) -> uploadWriter
-	// baseURL already contains sessionId
-	OpenUpload(context.Context, string) io.WriteCloser
-
-	// (ctx, pureURL) -> (uploadWriter, downloadReader)
-	// pureURL can not contain sessionId
-	Open(context.Context, string) (io.WriteCloser, io.ReadCloser)
+	// ctx, url, body, contentLength
+	PostPacket(context.Context, string, io.Reader, int64) error
 }

 // implements splithttp.DialerClient in terms of direct network connections
@@ -52,136 +42,56 @@ func (c *DefaultDialerClient) IsClosed() bool {
 	return c.closed
 }

-func (c *DefaultDialerClient) Open(ctx context.Context, pureURL string) (io.WriteCloser, io.ReadCloser) {
-	reader, writer := io.Pipe()
-	req, _ := http.NewRequestWithContext(ctx, "POST", pureURL, reader)
-	req.Header = c.transportConfig.GetRequestHeader()
-	if !c.transportConfig.NoGRPCHeader {
-		req.Header.Set("Content-Type", "application/grpc")
-	}
-	wrc := &WaitReadCloser{Wait: make(chan struct{})}
-	go func() {
-		response, err := c.client.Do(req)
-		if err != nil || response.StatusCode != 200 {
-			if err != nil {
-				errors.LogInfoInner(ctx, err, "failed to open ", pureURL)
-			} else {
-				// c.closed = true
-				response.Body.Close()
-				errors.LogInfo(ctx, "unexpected status ", response.StatusCode)
-			}
-			wrc.Close()
-			return
-		}
-		wrc.Set(response.Body)
-	}()
-	return writer, wrc
-}
-
-func (c *DefaultDialerClient) OpenUpload(ctx context.Context, baseURL string) io.WriteCloser {
-	reader, writer := io.Pipe()
-	req, _ := http.NewRequestWithContext(ctx, "POST", baseURL, reader)
-	req.Header = c.transportConfig.GetRequestHeader()
-	if !c.transportConfig.NoGRPCHeader {
-		req.Header.Set("Content-Type", "application/grpc")
-	}
-	go func() {
-		if resp, err := c.client.Do(req); err == nil {
-			if resp.StatusCode != 200 {
-				// c.closed = true
-			}
-			resp.Body.Close()
-		}
-	}()
-	return writer
-}
-
-func (c *DefaultDialerClient) OpenDownload(ctx context.Context, baseURL string) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
-	var remoteAddr gonet.Addr
-	var localAddr gonet.Addr
+func (c *DefaultDialerClient) OpenStream(ctx context.Context, url string, body io.Reader, uploadOnly bool) (wrc io.ReadCloser, remoteAddr, localAddr gonet.Addr, err error) {
 	// this is done when the TCP/UDP connection to the server was established,
 	// and we can unblock the Dial function and print correct net addresses in
 	// logs
 	gotConn := done.New()
+	ctx = httptrace.WithClientTrace(ctx, &httptrace.ClientTrace{
+		GotConn: func(connInfo httptrace.GotConnInfo) {
+			remoteAddr = connInfo.Conn.RemoteAddr()
+			localAddr = connInfo.Conn.LocalAddr()
+			gotConn.Close()
+		},
+	})

-	var downResponse io.ReadCloser
-	gotDownResponse := done.New()
-
-	ctx, ctxCancel := context.WithCancel(ctx)
+	method := "GET"
+	if body != nil {
+		method = "POST"
+	}
+	req, _ := http.NewRequestWithContext(ctx, method, url, body)
+	req.Header = c.transportConfig.GetRequestHeader()
+	if method == "POST" && !c.transportConfig.NoGRPCHeader {
+		req.Header.Set("Content-Type", "application/grpc")
+	}

+	wrc = &WaitReadCloser{Wait: make(chan struct{})}
 	go func() {
-		trace := &httptrace.ClientTrace{
-			GotConn: func(connInfo httptrace.GotConnInfo) {
-				remoteAddr = connInfo.Conn.RemoteAddr()
-				localAddr = connInfo.Conn.LocalAddr()
-				gotConn.Close()
-			},
-		}
-
-		// in case we hit an error, we want to unblock this part
-		defer gotConn.Close()
-
-		ctx = httptrace.WithClientTrace(ctx, trace)
-
-		req, err := http.NewRequestWithContext(
-			ctx,
-			"GET",
-			baseURL,
-			nil,
-		)
+		resp, err := c.client.Do(req)
 		if err != nil {
-			errors.LogInfoInner(ctx, err, "failed to construct download http request")
-			gotDownResponse.Close()
+			errors.LogInfoInner(ctx, err, "failed to "+method+" "+url)
+			gotConn.Close()
+			wrc.Close()
 			return
 		}
-
-		req.Header = c.transportConfig.GetRequestHeader()
-
-		response, err := c.client.Do(req)
-		gotConn.Close()
-		if err != nil {
-			errors.LogInfoInner(ctx, err, "failed to send download http request")
-			gotDownResponse.Close()
-			return
-		}
-
-		if response.StatusCode != 200 {
+		if resp.StatusCode != 200 && !uploadOnly {
 			// c.closed = true
-			response.Body.Close()
-			errors.LogInfo(ctx, "invalid status code on download:", response.Status)
-			gotDownResponse.Close()
+			errors.LogInfo(ctx, "unexpected status ", resp.StatusCode)
+		}
+		if resp.StatusCode != 200 || uploadOnly {
+			resp.Body.Close()
+			wrc.Close()
 			return
 		}
-
-		downResponse = response.Body
-		gotDownResponse.Close()
+		wrc.(*WaitReadCloser).Set(resp.Body)
 	}()

 	<-gotConn.Wait()
-
-	lazyDownload := &LazyReader{
-		CreateReader: func() (io.Reader, error) {
-			<-gotDownResponse.Wait()
-			if downResponse == nil {
-				return nil, errors.New("downResponse failed")
-			}
-			return downResponse, nil
-		},
-	}
-
-	// workaround for https://github.com/quic-go/quic-go/issues/2143 --
-	// always cancel request context so that Close cancels any Read.
-	// Should then match the behavior of http2 and http1.
-	reader := downloadBody{
-		lazyDownload,
-		ctxCancel,
-	}
-
-	return reader, remoteAddr, localAddr, nil
+	return
 }

-func (c *DefaultDialerClient) SendUploadRequest(ctx context.Context, url string, payload io.ReadWriteCloser, contentLength int64) error {
-	req, err := http.NewRequestWithContext(ctx, "POST", url, payload)
+func (c *DefaultDialerClient) PostPacket(ctx context.Context, url string, body io.Reader, contentLength int64) error {
+	req, err := http.NewRequestWithContext(ctx, "POST", url, body)
 	if err != nil {
 		return err
 	}
@@ -257,16 +167,6 @@ func (c *DefaultDialerClient) SendUploadRequest(ctx context.Context, url string,
 	return nil
 }

-type downloadBody struct {
-	io.Reader
-	cancel context.CancelFunc
-}
-
-func (c downloadBody) Close() error {
-	c.cancel()
-	return nil
-}
-
 type WaitReadCloser struct {
 	Wait chan struct{}
 	io.ReadCloser
--- a/transport/internet/splithttp/config.go
+++ b/transport/internet/splithttp/config.go
@@ -64,12 +64,15 @@ func (c *Config) WriteResponseHeader(writer http.ResponseWriter) {
 	}
 }

-func (c *Config) GetNormalizedScMaxBufferedPosts() int {
-	if c.ScMaxBufferedPosts == 0 {
-		return 30
+func (c *Config) GetNormalizedXPaddingBytes() RangeConfig {
+	if c.XPaddingBytes == nil || c.XPaddingBytes.To == 0 {
+		return RangeConfig{
+			From: 100,
+			To:   1000,
+		}
 	}

-	return int(c.ScMaxBufferedPosts)
+	return *c.XPaddingBytes
 }

 func (c *Config) GetNormalizedScMaxEachPostBytes() RangeConfig {
@@ -94,47 +97,23 @@ func (c *Config) GetNormalizedScMinPostsIntervalMs() RangeConfig {
 	return *c.ScMinPostsIntervalMs
 }

-func (c *Config) GetNormalizedXPaddingBytes() RangeConfig {
-	if c.XPaddingBytes == nil || c.XPaddingBytes.To == 0 {
-		return RangeConfig{
-			From: 100,
-			To:   1000,
-		}
+func (c *Config) GetNormalizedScMaxBufferedPosts() int {
+	if c.ScMaxBufferedPosts == 0 {
+		return 30
 	}

-	return *c.XPaddingBytes
+	return int(c.ScMaxBufferedPosts)
 }

-func (m *XmuxConfig) GetNormalizedCMaxRequestTimes() RangeConfig {
-	if m.HMaxRequestTimes == nil {
+func (m *XmuxConfig) GetNormalizedMaxConcurrency() RangeConfig {
+	if m.MaxConcurrency == nil {
 		return RangeConfig{
 			From: 0,
 			To:   0,
 		}
 	}

-	return *m.HMaxRequestTimes
-}
-
-func (m *XmuxConfig) GetNormalizedCMaxReuseTimes() RangeConfig {
-	if m.CMaxReuseTimes == nil {
-		return RangeConfig{
-			From: 0,
-			To:   0,
-		}
-	}
-
-	return *m.CMaxReuseTimes
-}
-
-func (m *XmuxConfig) GetNormalizedCMaxLifetimeMs() RangeConfig {
-	if m.CMaxLifetimeMs == nil {
-		return RangeConfig{
-			From: 0,
-			To:   0,
-		}
-	}
-	return *m.CMaxLifetimeMs
+	return *m.MaxConcurrency
 }

 func (m *XmuxConfig) GetNormalizedMaxConnections() RangeConfig {
@@ -148,15 +127,37 @@ func (m *XmuxConfig) GetNormalizedMaxConnections() RangeConfig {
 	return *m.MaxConnections
 }

-func (m *XmuxConfig) GetNormalizedMaxConcurrency() RangeConfig {
-	if m.MaxConcurrency == nil {
+func (m *XmuxConfig) GetNormalizedCMaxReuseTimes() RangeConfig {
+	if m.CMaxReuseTimes == nil {
 		return RangeConfig{
 			From: 0,
 			To:   0,
 		}
 	}

-	return *m.MaxConcurrency
+	return *m.CMaxReuseTimes
+}
+
+func (m *XmuxConfig) GetNormalizedHMaxRequestTimes() RangeConfig {
+	if m.HMaxRequestTimes == nil {
+		return RangeConfig{
+			From: 0,
+			To:   0,
+		}
+	}
+
+	return *m.HMaxRequestTimes
+}
+
+func (m *XmuxConfig) GetNormalizedHMaxReusableSecs() RangeConfig {
+	if m.HMaxReusableSecs == nil {
+		return RangeConfig{
+			From: 0,
+			To:   0,
+		}
+	}
+
+	return *m.HMaxReusableSecs
 }

 func init() {
--- a/transport/internet/splithttp/config.pb.go
+++ b/transport/internet/splithttp/config.pb.go
@@ -82,8 +82,8 @@ type XmuxConfig struct {
 	MaxConcurrency   *RangeConfig `protobuf:"bytes,1,opt,name=maxConcurrency,proto3" json:"maxConcurrency,omitempty"`
 	MaxConnections   *RangeConfig `protobuf:"bytes,2,opt,name=maxConnections,proto3" json:"maxConnections,omitempty"`
 	CMaxReuseTimes   *RangeConfig `protobuf:"bytes,3,opt,name=cMaxReuseTimes,proto3" json:"cMaxReuseTimes,omitempty"`
-	CMaxLifetimeMs   *RangeConfig `protobuf:"bytes,4,opt,name=cMaxLifetimeMs,proto3" json:"cMaxLifetimeMs,omitempty"`
-	HMaxRequestTimes *RangeConfig `protobuf:"bytes,5,opt,name=hMaxRequestTimes,proto3" json:"hMaxRequestTimes,omitempty"`
+	HMaxRequestTimes *RangeConfig `protobuf:"bytes,4,opt,name=hMaxRequestTimes,proto3" json:"hMaxRequestTimes,omitempty"`
+	HMaxReusableSecs *RangeConfig `protobuf:"bytes,5,opt,name=hMaxReusableSecs,proto3" json:"hMaxReusableSecs,omitempty"`
 	HKeepAlivePeriod int64        `protobuf:"varint,6,opt,name=hKeepAlivePeriod,proto3" json:"hKeepAlivePeriod,omitempty"`
 }

@@ -138,16 +138,16 @@ func (x *XmuxConfig) GetCMaxReuseTimes() *RangeConfig {
 	return nil
 }

-func (x *XmuxConfig) GetCMaxLifetimeMs() *RangeConfig {
+func (x *XmuxConfig) GetHMaxRequestTimes() *RangeConfig {
 	if x != nil {
-		return x.CMaxLifetimeMs
+		return x.HMaxRequestTimes
 	}
 	return nil
 }

-func (x *XmuxConfig) GetHMaxRequestTimes() *RangeConfig {
+func (x *XmuxConfig) GetHMaxReusableSecs() *RangeConfig {
 	if x != nil {
-		return x.HMaxRequestTimes
+		return x.HMaxReusableSecs
 	}
 	return nil
 }
@@ -305,7 +305,7 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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@@ -322,78 +322,78 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }

 var (
@@ -420,8 +420,8 @@ var file_transport_internet_splithttp_config_proto_depIdxs = []int32{
 	0,  // 0: xray.transport.internet.splithttp.XmuxConfig.maxConcurrency:type_name -> xray.transport.internet.splithttp.RangeConfig
 	0,  // 1: xray.transport.internet.splithttp.XmuxConfig.maxConnections:type_name -> xray.transport.internet.splithttp.RangeConfig
 	0,  // 2: xray.transport.internet.splithttp.XmuxConfig.cMaxReuseTimes:type_name -> xray.transport.internet.splithttp.RangeConfig
-	0,  // 3: xray.transport.internet.splithttp.XmuxConfig.cMaxLifetimeMs:type_name -> xray.transport.internet.splithttp.RangeConfig
-	0,  // 4: xray.transport.internet.splithttp.XmuxConfig.hMaxRequestTimes:type_name -> xray.transport.internet.splithttp.RangeConfig
+	0,  // 3: xray.transport.internet.splithttp.XmuxConfig.hMaxRequestTimes:type_name -> xray.transport.internet.splithttp.RangeConfig
+	0,  // 4: xray.transport.internet.splithttp.XmuxConfig.hMaxReusableSecs:type_name -> xray.transport.internet.splithttp.RangeConfig
 	3,  // 5: xray.transport.internet.splithttp.Config.headers:type_name -> xray.transport.internet.splithttp.Config.HeadersEntry
 	0,  // 6: xray.transport.internet.splithttp.Config.xPaddingBytes:type_name -> xray.transport.internet.splithttp.RangeConfig
 	0,  // 7: xray.transport.internet.splithttp.Config.scMaxEachPostBytes:type_name -> xray.transport.internet.splithttp.RangeConfig
--- a/transport/internet/splithttp/config.proto
+++ b/transport/internet/splithttp/config.proto
@@ -17,8 +17,8 @@ message XmuxConfig {
  RangeConfig maxConcurrency = 1;
  RangeConfig maxConnections = 2;
  RangeConfig cMaxReuseTimes = 3;
-  RangeConfig cMaxLifetimeMs = 4;
-  RangeConfig hMaxRequestTimes = 5;
+  RangeConfig hMaxRequestTimes = 4;
+  RangeConfig hMaxReusableSecs = 5;
  int64 hKeepAlivePeriod = 6;
 }

--- a/transport/internet/splithttp/dialer.go
+++ b/transport/internet/splithttp/dialer.go
@@ -13,8 +13,8 @@ import (
 	"sync/atomic"
 	"time"

-	"github.com/quic-go/quic-go"
-	"github.com/quic-go/quic-go/http3"
+	"github.com/xtls/quic-go"
+	"github.com/xtls/quic-go/http3"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
@@ -308,7 +308,7 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 		globalDialerAccess.Lock()
 		if streamSettings.DownloadSettings == nil {
 			streamSettings.DownloadSettings = common.Must2(internet.ToMemoryStreamConfig(transportConfiguration.DownloadSettings)).(*internet.MemoryStreamConfig)
-			if streamSettings.DownloadSettings.SocketSettings == nil {
+			if streamSettings.SocketSettings != nil && streamSettings.SocketSettings.Penetrate {
 				streamSettings.DownloadSettings.SocketSettings = streamSettings.SocketSettings
 			}
 		}
@@ -343,44 +343,19 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 		errors.LogInfo(ctx, fmt.Sprintf("XHTTP is downloading from %s, mode %s, HTTP version %s, host %s", dest2, "stream-down", httpVersion2, requestURL2.Host))
 	}

-	var writer io.WriteCloser
-	var reader io.ReadCloser
-	var remoteAddr, localAddr net.Addr
-	var err error
-
-	if mode == "stream-one" {
-		requestURL.Path = transportConfiguration.GetNormalizedPath()
-		if xmuxClient != nil {
-			xmuxClient.LeftRequests.Add(-1)
-		}
-		writer, reader = httpClient.Open(context.WithoutCancel(ctx), requestURL.String())
-		remoteAddr = &net.TCPAddr{}
-		localAddr = &net.TCPAddr{}
-	} else {
-		if xmuxClient2 != nil {
-			xmuxClient2.LeftRequests.Add(-1)
-		}
-		reader, remoteAddr, localAddr, err = httpClient2.OpenDownload(context.WithoutCancel(ctx), requestURL2.String())
-		if err != nil {
-			return nil, err
-		}
-	}
-
 	if xmuxClient != nil {
 		xmuxClient.OpenUsage.Add(1)
 	}
 	if xmuxClient2 != nil && xmuxClient2 != xmuxClient {
 		xmuxClient2.OpenUsage.Add(1)
 	}
-	var once atomic.Int32
+	var closed atomic.Int32

+	reader, writer := io.Pipe()
 	conn := splitConn{
-		writer:     writer,
-		reader:     reader,
-		remoteAddr: remoteAddr,
-		localAddr:  localAddr,
+		writer: writer,
 		onClose: func() {
-			if once.Add(-1) < 0 {
+			if closed.Add(1) > 1 {
 				return
 			}
 			if xmuxClient != nil {
@@ -393,16 +368,27 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 	}

 	if mode == "stream-one" {
+		requestURL.Path = transportConfiguration.GetNormalizedPath()
 		if xmuxClient != nil {
 			xmuxClient.LeftRequests.Add(-1)
 		}
+		conn.reader, conn.remoteAddr, conn.localAddr, _ = httpClient.OpenStream(context.WithoutCancel(ctx), requestURL.String(), reader, false)
 		return stat.Connection(&conn), nil
+	} else { // stream-down
+		var err error
+		if xmuxClient2 != nil {
+			xmuxClient2.LeftRequests.Add(-1)
+		}
+		conn.reader, conn.remoteAddr, conn.localAddr, err = httpClient2.OpenStream(context.WithoutCancel(ctx), requestURL2.String(), nil, false)
+		if err != nil { // browser dialer only
+			return nil, err
+		}
 	}
 	if mode == "stream-up" {
 		if xmuxClient != nil {
 			xmuxClient.LeftRequests.Add(-1)
 		}
-		conn.writer = httpClient.OpenUpload(ctx, requestURL.String())
+		httpClient.OpenStream(ctx, requestURL.String(), reader, true)
 		return stat.Connection(&conn), nil
 	}

@@ -461,12 +447,13 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me

 			lastWrite = time.Now()

-			if xmuxClient != nil && xmuxClient.LeftRequests.Add(-1) <= 0 {
+			if xmuxClient != nil && (xmuxClient.LeftRequests.Add(-1) <= 0 ||
+				(xmuxClient.UnreusableAt != time.Time{} && lastWrite.After(xmuxClient.UnreusableAt))) {
 				httpClient, xmuxClient = getHTTPClient(ctx, dest, streamSettings)
 			}

 			go func() {
-				err := httpClient.SendUploadRequest(
+				err := httpClient.PostPacket(
 					context.WithoutCancel(ctx),
 					url.String(),
 					&buf.MultiBufferContainer{MultiBuffer: chunk},
--- a/transport/internet/splithttp/hub.go
+++ b/transport/internet/splithttp/hub.go
@@ -11,8 +11,8 @@ import (
 	"sync"
 	"time"

-	"github.com/quic-go/quic-go"
-	"github.com/quic-go/quic-go/http3"
+	"github.com/xtls/quic-go"
+	"github.com/xtls/quic-go/http3"
 	goreality "github.com/xtls/reality"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
--- a/transport/internet/splithttp/lazy_reader.go
+++ b/transport/internet/splithttp/lazy_reader.go
@@ -1,47 +0,0 @@
-package splithttp
-
-import (
-	"io"
-	"sync"
-)
-
-// Close is intentionally not supported by LazyReader because it's not clear
-// how CreateReader should be aborted in case of Close. It's best to wrap
-// LazyReader in another struct that handles Close correctly, or better, stop
-// using LazyReader entirely.
-type LazyReader struct {
-	readerSync   sync.Mutex
-	CreateReader func() (io.Reader, error)
-	reader       io.Reader
-	readerError  error
-}
-
-func (r *LazyReader) getReader() (io.Reader, error) {
-	r.readerSync.Lock()
-	defer r.readerSync.Unlock()
-	if r.reader != nil {
-		return r.reader, nil
-	}
-
-	if r.readerError != nil {
-		return nil, r.readerError
-	}
-
-	reader, err := r.CreateReader()
-	if err != nil {
-		r.readerError = err
-		return nil, err
-	}
-
-	r.reader = reader
-	return reader, nil
-}
-
-func (r *LazyReader) Read(b []byte) (int, error) {
-	reader, err := r.getReader()
-	if err != nil {
-		return 0, err
-	}
-	n, err := reader.Read(b)
-	return n, err
-}
--- a/transport/internet/splithttp/mux.go
+++ b/transport/internet/splithttp/mux.go
@@ -16,11 +16,11 @@ type XmuxConn interface {
 }

 type XmuxClient struct {
-	XmuxConn       XmuxConn
-	OpenUsage      atomic.Int32
-	leftUsage      int32
-	expirationTime time.Time
-	LeftRequests   atomic.Int32
+	XmuxConn     XmuxConn
+	OpenUsage    atomic.Int32
+	leftUsage    int32
+	LeftRequests atomic.Int32
+	UnreusableAt time.Time
 }

 type XmuxManager struct {
@@ -43,20 +43,19 @@ func NewXmuxManager(xmuxConfig XmuxConfig, newConnFunc func() XmuxConn) *XmuxMan

 func (m *XmuxManager) newXmuxClient() *XmuxClient {
 	xmuxClient := &XmuxClient{
-		XmuxConn:       m.newConnFunc(),
-		leftUsage:      -1,
-		expirationTime: time.UnixMilli(0),
+		XmuxConn:  m.newConnFunc(),
+		leftUsage: -1,
 	}
 	if x := m.xmuxConfig.GetNormalizedCMaxReuseTimes().rand(); x > 0 {
 		xmuxClient.leftUsage = x - 1
 	}
-	if x := m.xmuxConfig.GetNormalizedCMaxLifetimeMs().rand(); x > 0 {
-		xmuxClient.expirationTime = time.Now().Add(time.Duration(x) * time.Millisecond)
-	}
 	xmuxClient.LeftRequests.Store(math.MaxInt32)
-	if x := m.xmuxConfig.GetNormalizedCMaxRequestTimes().rand(); x > 0 {
+	if x := m.xmuxConfig.GetNormalizedHMaxRequestTimes().rand(); x > 0 {
 		xmuxClient.LeftRequests.Store(x)
 	}
+	if x := m.xmuxConfig.GetNormalizedHMaxReusableSecs().rand(); x > 0 {
+		xmuxClient.UnreusableAt = time.Now().Add(time.Duration(x) * time.Second)
+	}
 	m.xmuxClients = append(m.xmuxClients, xmuxClient)
 	return xmuxClient
 }
@@ -66,13 +65,13 @@ func (m *XmuxManager) GetXmuxClient(ctx context.Context) *XmuxClient { // when l
 		xmuxClient := m.xmuxClients[i]
 		if xmuxClient.XmuxConn.IsClosed() ||
 			xmuxClient.leftUsage == 0 ||
-			(xmuxClient.expirationTime != time.UnixMilli(0) && time.Now().After(xmuxClient.expirationTime)) ||
-			xmuxClient.LeftRequests.Load() <= 0 {
+			xmuxClient.LeftRequests.Load() <= 0 ||
+			(xmuxClient.UnreusableAt != time.Time{} && time.Now().After(xmuxClient.UnreusableAt)) {
 			errors.LogDebug(ctx, "XMUX: removing xmuxClient, IsClosed() = ", xmuxClient.XmuxConn.IsClosed(),
 				", OpenUsage = ", xmuxClient.OpenUsage.Load(),
 				", leftUsage = ", xmuxClient.leftUsage,
-				", expirationTime = ", xmuxClient.expirationTime,
-				", LeftRequests = ", xmuxClient.LeftRequests.Load())
+				", LeftRequests = ", xmuxClient.LeftRequests.Load(),
+				", UnreusableAt = ", xmuxClient.UnreusableAt)
 			m.xmuxClients = append(m.xmuxClients[:i], m.xmuxClients[i+1:]...)
 		} else {
 			i++
Author	SHA1	Message	Date
RPRX	e80ca67fee	v25.1.1 Announcement of NFTs by Project X: https://github.com/XTLS/Xray-core/discussions/3633 Project X NFT: https://opensea.io/assets/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/1 XHTTP: Beyond REALITY: https://github.com/XTLS/Xray-core/discussions/4113 REALITY NFT: https://opensea.io/assets/ethereum/0x5ee362866001613093361eb8569d59c4141b76d1/2	2025-01-01 12:03:05 +00:00
RPRX	dd4ba823f5	Workflows: Trigger all Build & Test on all branches & files https://github.com/XTLS/Xray-core/pull/4192#issuecomment-2566960668	2025-01-01 11:51:32 +00:00
GFW-knocker	0658c9545b	Freedom config: Fix noises delay (#4233 ) Co-authored-by: RPRX <63339210+RPRX@users.noreply.github.com>	2025-01-01 11:49:08 +00:00
yiguous	480eac7235	Config: Correctly marshal Int32Range to JSON (#4234 ) Fixes https://github.com/XTLS/libXray/issues/62	2025-01-01 10:29:34 +00:00
RPRX	8a6a5385ff	Upgrade quic-go to patched v0.48.2 * Change module path * Add traceWroteRequest & traceGotConn * http3: allow concurrent calls to Body.Close (https://github.com/quic-go/quic-go/pull/4798)	2025-01-01 09:23:14 +00:00
dependabot[bot]	5178dc500a	Bump github.com/cloudflare/circl from 1.4.0 to 1.5.0 (#3899 ) Bumps [github.com/cloudflare/circl](https://github.com/cloudflare/circl) from 1.4.0 to 1.5.0. - [Release notes](https://github.com/cloudflare/circl/releases) - [Commits](https://github.com/cloudflare/circl/compare/v1.4.0...v1.5.0) --- updated-dependencies: - dependency-name: github.com/cloudflare/circl dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2025-01-01 08:22:00 +00:00
dependabot[bot]	1a1c49de36	Bump google.golang.org/grpc from 1.67.1 to 1.69.2 (#4181 ) Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.67.1 to 1.69.2. - [Release notes](https://github.com/grpc/grpc-go/releases) - [Commits](https://github.com/grpc/grpc-go/compare/v1.67.1...v1.69.2) --- updated-dependencies: - dependency-name: google.golang.org/grpc dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2025-01-01 08:19:48 +00:00
𐲓𐳛𐳪𐳂𐳐 𐲀𐳢𐳦𐳫𐳢 𐲥𐳔𐳛𐳪𐳌𐳑𐳖𐳇	c8b17ad18d	Build: Use patched newer Go version to build Windows 7 assets (#4192 ) https://github.com/XTLS/go-win7	2025-01-01 08:06:35 +00:00
RPRX	4be32e99b2	v24.12.31 XHTTP: Beyond REALITY: https://github.com/XTLS/Xray-core/discussions/4113	2024-12-31 12:12:03 +00:00
RPRX	5af90684c4	Inbounds config: Add `mixed` as an alias of `socks` https://github.com/XTLS/Xray-core/pull/3682#issuecomment-2292600144	2024-12-31 11:55:16 +00:00
RPRX	369d8944cf	Sockopt config: Add `penetrate` for XHTTP U-D-S, Remove `tcpNoDelay` Now `sockopt` can be shared via `extra`, and be replaced with upload's forcibly. Closes https://github.com/XTLS/Xray-core/issues/4227	2024-12-31 11:10:17 +00:00
RPRX	4ce65fc74c	XHTTP XMUX: `cMaxLifetimeMs` -> `hMaxReusableSecs`, Refactor default values "xmux": { "maxConcurrency": "16-32", "maxConnections": 0, "cMaxReuseTimes": 0, "hMaxRequestTimes": "600-900", "hMaxReusableSecs": "1800-3000", "hKeepAlivePeriod": 0 } Fixes https://github.com/XTLS/Xray-core/discussions/4113#discussioncomment-11685057	2024-12-31 10:00:19 +00:00
RPRX	93f72db9fd	v24.12.28 XHTTP: Beyond REALITY: https://github.com/XTLS/Xray-core/discussions/4113	2024-12-28 13:57:23 +00:00
RPRX	ff4331a7a8	XHTTP XMUX: Increase the default value for `cMaxReuseTimes` "64-128" -> "256-512"	2024-12-28 08:20:59 +00:00
RPRX	a8559a1b46	Dokodemo TPROXY: Interrupt UDP download if upload timeouts https://github.com/XTLS/Xray-core/issues/4194#issuecomment-2564156340 Fixes https://github.com/XTLS/Xray-core/issues/4194	2024-12-28 04:06:49 +00:00
yuhan6665	42aea01fb5	Core: Add mutex to injection resolution (#4206 ) * Revert "Add RequireFeaturesAsync() that works regardless order of app init" * Add mutex to injection resolution - Turns out we already support async DI resolution regardless of feature ordering Previous code contain a race condition causing some resolution is lost - Note that the new mutex cover s.pendingResolutions and s.features but must not cover callbackResolution() due to deadlock - Refactor some method names and simplify code * Add OptionalFeatures injection For example OptionalFeatures() is useful for fakedns module	2024-12-26 12:55:12 +00:00
dependabot[bot]	a7909f8671	Bump google.golang.org/protobuf from 1.36.0 to 1.36.1 (#4203 ) Bumps google.golang.org/protobuf from 1.36.0 to 1.36.1. --- updated-dependencies: - dependency-name: google.golang.org/protobuf dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-12-24 13:03:17 +00:00
leo	b287d6419b	chore: use errors.New to replace fmt.Errorf with no parameters (#4204 ) Signed-off-by: RiceChuan <lc582041246@gmail.com>	2024-12-24 00:17:00 -05:00
dependabot[bot]	d54d20abea	Bump golang.org/x/net from 0.32.0 to 0.33.0 (#4182 ) Bumps [golang.org/x/net](https://github.com/golang/net) from 0.32.0 to 0.33.0. - [Commits](https://github.com/golang/net/compare/v0.32.0...v0.33.0) --- updated-dependencies: - dependency-name: golang.org/x/net dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-12-22 09:21:06 +00:00
maoxikun	868799ef04	DNS: Always use a DNS Message ID of 0 for DoH and DoQ (#4193 ) Co-authored-by: dyhkwong <50692134+dyhkwong@users.noreply.github.com>	2024-12-22 09:19:09 +00:00
RPRX	db934f0832	XHTTP client: Merge Open* into OpenStream(), and more https://github.com/XTLS/Xray-core/issues/4148#issuecomment-2557066988	2024-12-20 14:35:33 +00:00
RPRX	53b04d560b	XHTTP client: Make H3 httptrace work on v2rayNG Introduced in https://github.com/XTLS/Xray-core/pull/4150	2024-12-20 07:19:41 +00:00
RPRX	1410b6335b	XHTTP XMUX: Fix OpenUsage never gets reduced Introduced in https://github.com/XTLS/Xray-core/pull/4163	2024-12-20 06:19:10 +00:00