diff --git a/core/src/mindustry/content/UnitTypes.java b/core/src/mindustry/content/UnitTypes.java
index 56da2cc7e0..fb1ffcaea3 100644
--- a/core/src/mindustry/content/UnitTypes.java
+++ b/core/src/mindustry/content/UnitTypes.java
@@ -406,7 +406,7 @@ public class UnitTypes implements ContentList{
             BulletType sapper = new SapBulletType(){{
                 sapStrength = 0.8f;
                 length = 55f;
-                damage = 35;
+                damage = 34;
                 shootEffect = Fx.shootSmall;
                 hitColor = color = Color.valueOf("bf92f9");
                 despawnEffect = Fx.none;
@@ -663,7 +663,7 @@ public class UnitTypes implements ContentList{
             BulletType fragBullet = new FlakBulletType(4f, 5){{
                 shootEffect = Fx.shootBig;
                 ammoMultiplier = 4f;
-                splashDamage = 40f;
+                splashDamage = 42f;
                 splashDamageRadius = 25f;
                 collidesGround = true;
                 lifetime = 38f;
@@ -700,7 +700,7 @@ public class UnitTypes implements ContentList{
                 x = 11f;
                 y = 27f;
                 rotateSpeed = 2f;
-                reload = 10f;
+                reload = 9f;
                 shootSound = Sounds.flame;
                 occlusion = 7f;
                 rotate = true;
diff --git a/core/src/mindustry/net/BeControl.java b/core/src/mindustry/net/BeControl.java
index 5c3e370256..d2e236b0f8 100644
--- a/core/src/mindustry/net/BeControl.java
+++ b/core/src/mindustry/net/BeControl.java
@@ -97,7 +97,10 @@ public class BeControl{
                 BaseDialog dialog = new BaseDialog("@be.updating");
                 download(updateUrl, file, i -> length[0] = i, v -> progress[0] = v, () -> cancel[0], () -> {
                     try{
-                        Runtime.getRuntime().exec(new String[]{"java", "-DlastBuild=" + Version.build, "-Dberestart", "-jar", file.absolutePath()});
+                        Runtime.getRuntime().exec(OS.isMac ?
+                            new String[]{"java", "-XstartOnFirstThread", "-DlastBuild=" + Version.build, "-Dberestart", "-jar", file.absolutePath()} :
+                            new String[]{"java", "-DlastBuild=" + Version.build, "-Dberestart", "-jar", file.absolutePath()}
+                        );
                         System.exit(0);
                     }catch(IOException e){
                         ui.showException(e);
diff --git a/core/src/mindustry/world/blocks/sandbox/ItemSource.java b/core/src/mindustry/world/blocks/sandbox/ItemSource.java
index 4a52e6b8ae..70933f737b 100644
--- a/core/src/mindustry/world/blocks/sandbox/ItemSource.java
+++ b/core/src/mindustry/world/blocks/sandbox/ItemSource.java
@@ -23,6 +23,7 @@ public class ItemSource extends Block{
         group = BlockGroup.transportation;
         configurable = true;
         saveConfig = true;
+        noUpdateDisabled = true;
 
         config(Item.class, (ItemSourceBuild tile, Item item) -> tile.outputItem = item);
         configClear((ItemSourceBuild tile) -> tile.outputItem = null);
diff --git a/core/src/mindustry/world/blocks/sandbox/LiquidSource.java b/core/src/mindustry/world/blocks/sandbox/LiquidSource.java
index 3f01313833..10f7ff2710 100644
--- a/core/src/mindustry/world/blocks/sandbox/LiquidSource.java
+++ b/core/src/mindustry/world/blocks/sandbox/LiquidSource.java
@@ -24,6 +24,7 @@ public class LiquidSource extends Block{
         configurable = true;
         outputsLiquid = true;
         saveConfig = true;
+        noUpdateDisabled = true;
 
         config(Liquid.class, (LiquidSourceBuild tile, Liquid l) -> tile.source = l);
         configClear((LiquidSourceBuild tile) -> tile.source = null);