diff --git a/cmd/resource/resource.go b/cmd/resource/resource.go
index dde6fb1..251031c 100644
--- a/cmd/resource/resource.go
+++ b/cmd/resource/resource.go
@@ -19,9 +19,9 @@ import (
 
 var (
 	// fixed non-string version. used for launcher version checks
-	intVersion = [4]uint16{1, 0, 44, 0}
+	intVersion = [4]uint16{1, 0, 45, 0}
 	// display version
-	strVersion = "1.0.44"
+	strVersion = "1.0.45"
 )
 
 func getIcon(path string) *winres.Icon {
diff --git a/controller/native/node.go b/controller/native/node.go
index f3bbe5d..adeb767 100644
--- a/controller/native/node.go
+++ b/controller/native/node.go
@@ -37,7 +37,7 @@ func NewController() *Controller {
 }
 
 func (c *Controller) GetCaps() int {
-	return 0
+	return 1
 }
 
 func (c *Controller) SetApp(a model_.AppState) {
diff --git a/controller/native/runner.go b/controller/native/runner.go
index 2828244..fe7e70c 100644
--- a/controller/native/runner.go
+++ b/controller/native/runner.go
@@ -121,21 +121,31 @@ func KillPreviousLauncher() {
 func (r *NodeRunner) startNode() error {
 	log.Println("!startNode")
 	fullExePath := getNodeExePath()
+	c := r.mod.Config
+	log.Println("!startNode", c.EnablePortForwarding)
 
+	portsArg := ""
+	if c.EnablePortForwarding {
+		portsArg = fmt.Sprintf("--udp.ports=%d:%d", c.PortRangeBegin, c.PortRangeEnd)
+	}
+	userspaceArg := "--userspace"
 	versionArg := fmt.Sprintf("--launcher.ver=%s", r.mod.GetProductVersionString())
 	configDirArg := fmt.Sprintf("--config-dir=%s", r.configpath)
 	dataDirArg := fmt.Sprintf("--data-dir=%s", r.configpath)
 	logDirArg := fmt.Sprintf("--log-dir=%s", r.configpath)
 	nodeuiDirArg := fmt.Sprintf("--node-ui-dir=%s", path.Join(r.configpath, "nodeui"))
 
-	userspaceArg := "--userspace"
-
 	args2 := make([]string, 0)
 	if r.mod.NodeFlags != "" {
 		args2 = strings.Split(r.mod.NodeFlags, " ")
 	}
 
-	args := []string{userspaceArg, versionArg}
+	args := []string{}
+	if portsArg != "" {
+		args = append(args, portsArg)
+	}
+	args = append(args, userspaceArg, versionArg)
+
 	if len(args2) > 0 {
 		args = append(args, args2...)
 	} else {
diff --git a/gui-win32/networking_dlg.go b/gui-win32/networking_dlg.go
index 4913071..7319702 100644
--- a/gui-win32/networking_dlg.go
+++ b/gui-win32/networking_dlg.go
@@ -138,9 +138,11 @@ func (g *Gui) NetworkingDlg() {
 									walk.MsgBoxTopMost|walk.MsgBoxOK|walk.MsgBoxIconExclamation)
 								return
 							}
-							g.model.GetConfig().EnablePortForwarding = manualPortForwarding.Checked()
-							g.model.GetConfig().PortRangeBegin = portRangeBegin
-							g.model.GetConfig().PortRangeEnd = portRangeLen
+							cfg := g.model.GetConfig()
+							cfg.EnablePortForwarding = manualPortForwarding.Checked()
+							cfg.PortRangeBegin = portRangeBegin
+							cfg.PortRangeEnd = portRangeLen
+							cfg.Save()
 
 							dialog.Accept()
 							g.model.App.TriggerAction("restart")
diff --git a/model/state.go b/model/state.go
index 99e2d66..5128c5e 100644
--- a/model/state.go
+++ b/model/state.go
@@ -160,6 +160,7 @@ func (c *Config) Read() {
 
 	json.NewDecoder(file).Decode(&c) // for version check
 	c.getDefaultValues(false)
+	file.Seek(0, 0)
 	json.NewDecoder(file).Decode(&c)
 }
 
diff --git a/myst/manager.go b/myst/manager.go
index e9fa80e..e916d61 100644
--- a/myst/manager.go
+++ b/myst/manager.go
@@ -15,6 +15,8 @@ import (
 	"io"
 	"log"
 	"os"
+	"path/filepath"
+	"runtime"
 	"strconv"
 	"strings"
 	"time"
@@ -24,6 +26,7 @@ import (
 	"github.com/docker/docker/api/types/mount"
 	"github.com/docker/docker/api/types/strslice"
 	"github.com/docker/docker/client"
+
 	"github.com/docker/go-connections/nat"
 	errors2 "github.com/pkg/errors"
 
@@ -60,6 +63,18 @@ type Manager struct {
 }
 
 func NewManager(model *model.UIModel) (*Manager, error) {
+
+	if runtime.GOOS == "darwin" {
+		// Prefer DOCKER_HOST, don't override it
+		_, hasDockerHost := os.LookupEnv("DOCKER_HOST")
+		if !hasDockerHost {
+			if _, err := os.Stat("/var/run/docker.sock"); os.IsNotExist(err) {
+				// path does not exist
+				os.Setenv("DOCKER_HOST", "unix://"+filepath.Join(utils.GetUserProfileDir(), ".docker/run/docker.sock"))
+			}
+		}
+	}
+
 	dc, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
 	if err != nil {
 		return nil, errors2.Wrap(err, ErrCouldNotConnect.Error())