diff --git a/lib/config/deviceconfiguration.go b/lib/config/deviceconfiguration.go
index b12514175..28a51fe9b 100644
--- a/lib/config/deviceconfiguration.go
+++ b/lib/config/deviceconfiguration.go
@@ -13,7 +13,7 @@ import (
 	"github.com/syncthing/syncthing/lib/protocol"
 )
 
-const defaultNumConnections = 1 // number of connections to use by default; may change in the future.
+const defaultNumConnections = 3 // number of connections to use by default
 
 type DeviceConfiguration struct {
 	DeviceID                 protocol.DeviceID `json:"deviceID" xml:"id,attr" nodefault:"true"`
diff --git a/relnotes/v2.0.md b/relnotes/v2.0.md
index d285f6603..3b2a736ec 100644
--- a/relnotes/v2.0.md
+++ b/relnotes/v2.0.md
@@ -21,3 +21,7 @@
   efficient without it.
 
 - A "default folder" is no longer created on first startup.
+
+- Multiple connections are now used by default between v2 devices. The new
+  default value is to use three connections: one for index metadata and two
+  for data exchange.