diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 5691b8f546..bad25b7933 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -1315,6 +1315,7 @@ public class Blocks{
 
             researchCostMultiplier = 10f;
 
+            group = BlockGroup.heat;
             size = 3;
             drawer = new DrawMulti(new DrawDefault(), new DrawHeatOutput(), new DrawHeatInput("-heat"));
             regionRotated1 = 1;
@@ -1325,6 +1326,7 @@ public class Blocks{
 
             researchCostMultiplier = 10f;
 
+            group = BlockGroup.heat;
             size = 3;
             drawer = new DrawMulti(new DrawDefault(), new DrawHeatOutput(-1, false), new DrawHeatOutput(), new DrawHeatOutput(1, false), new DrawHeatInput("-heat"));
             regionRotated1 = 1;
diff --git a/core/src/mindustry/input/InputHandler.java b/core/src/mindustry/input/InputHandler.java
index e89174319b..8ce8ea7dd1 100644
--- a/core/src/mindustry/input/InputHandler.java
+++ b/core/src/mindustry/input/InputHandler.java
@@ -489,7 +489,7 @@ public abstract class InputHandler implements InputProcessor, GestureListener{
             throw new ValidateException(player, "Player cannot configure a tile.");
         }
         build.configured(player == null || player.dead() ? null : player.unit(), value);
-        Core.app.post(() -> Events.fire(new ConfigEvent(build, player, value)));
+        Events.fire(new ConfigEvent(build, player, value));
     }
 
     //only useful for servers or local mods, and is not replicated across clients
diff --git a/core/src/mindustry/ui/dialogs/CustomRulesDialog.java b/core/src/mindustry/ui/dialogs/CustomRulesDialog.java
index 965304ab7d..273855a0d7 100644
--- a/core/src/mindustry/ui/dialogs/CustomRulesDialog.java
+++ b/core/src/mindustry/ui/dialogs/CustomRulesDialog.java
@@ -259,14 +259,9 @@ public class CustomRulesDialog extends BaseDialog{
             }
 
             t.button("@rules.anyenv", style, () -> {
-                if(!rules.infiniteResources){
-                    //unlocalized for now
-                    ui.showInfo("The 'any' environment can only be used in sandbox mode.");
-                }else{
-                    rules.env = Vars.defaultEnv;
-                    rules.hiddenBuildItems.clear();
-                    rules.planet = Planets.sun;
-                }
+                rules.env = Vars.defaultEnv;
+                rules.hiddenBuildItems.clear();
+                rules.planet = Planets.sun;
             }).group(group).checked(b -> rules.planet == Planets.sun);
         }).left().fill(false).expand(false, false).row();
 
diff --git a/core/src/mindustry/world/draw/DrawTurret.java b/core/src/mindustry/world/draw/DrawTurret.java
index 019e8c6078..a4377efc7a 100644
--- a/core/src/mindustry/world/draw/DrawTurret.java
+++ b/core/src/mindustry/world/draw/DrawTurret.java
@@ -37,7 +37,7 @@ public class DrawTurret extends DrawBlock{
             part.getOutlines(out);
         }
 
-        if(block.region.found() && !(block.outlinedIcon > 0 && block.getGeneratedIcons()[block.outlinedIcon].equals(block.region))){
+        if(block.region.found() && !(block.outlinedIcon > 0 && block.outlinedIcon < block.getGeneratedIcons().length && block.getGeneratedIcons()[block.outlinedIcon].equals(block.region))){
             out.add(block.region);
         }
 
diff --git a/core/src/mindustry/world/meta/BlockGroup.java b/core/src/mindustry/world/meta/BlockGroup.java
index 72a850d6c4..e3b6d8ed11 100644
--- a/core/src/mindustry/world/meta/BlockGroup.java
+++ b/core/src/mindustry/world/meta/BlockGroup.java
@@ -1,7 +1,7 @@
 package mindustry.world.meta;
 
 public enum BlockGroup{
-    none, walls(true), projectors(true), turrets(true), transportation(true), power, liquids(true), drills, units, logic(true), payloads(true);
+    none, walls(true), projectors(true), turrets(true), transportation(true), power, liquids(true), drills, units, logic(true), payloads(true), heat(true);
 
     /** if true, any block in this category replaces any other block in this category. */
     public final boolean anyReplace;