Bugfixes

core/src/mindustry/ctype/UnlockableContent.java

@@ -126,7 +126,7 @@ public abstract class UnlockableContent extends MappableContent{
     }
 
     public boolean unlocked(){
-        if(net != null && net.client()) return state.rules.researched.contains(name);
+        if(net != null && net.client()) return alwaysUnlocked || state.rules.researched.contains(name);
         return unlocked || alwaysUnlocked;
     }
 

core/src/mindustry/net/ServerGroup.java

@@ -0,0 +1,6 @@
+package mindustry.net;
+
+public class ServerGroup{
+    public String[] addresses;
+    public String name;
+}

core/src/mindustry/world/blocks/distribution/Conveyor.java

@@ -42,7 +42,7 @@ public class Conveyor extends Block implements Autotiler{
         conveyorPlacement = true;
 
         ambientSound = Sounds.conveyor;
-        ambientSoundVolume = 0.002f;
+        ambientSoundVolume = 0.0015f;
         unloadable = false;
         noUpdateDisabled = false;
     }