diff --git a/core/src/mindustry/ai/types/FlyingAI.java b/core/src/mindustry/ai/types/FlyingAI.java
index 3122a56951..4a1400e598 100644
--- a/core/src/mindustry/ai/types/FlyingAI.java
+++ b/core/src/mindustry/ai/types/FlyingAI.java
@@ -2,7 +2,6 @@ package mindustry.ai.types;
 
 import arc.math.*;
 import mindustry.entities.units.*;
-import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.world.meta.*;
 
@@ -31,30 +30,6 @@ public class FlyingAI extends AIController{
         }
     }
 
-    @Override
-    public Teamc targetFlag(float x, float y, BlockFlag flag, boolean enemy){
-        if(state.rules.randomWaveAI){
-            if(unit.team == Team.derelict) return null;
-            var list = enemy ? indexer.getEnemy(unit.team, flag) : indexer.getFlagged(unit.team, flag);
-            if(list.isEmpty()) return null;
-
-            Building closest = null;
-            float cdist = 0f;
-            for(Building t : list){
-                if(((t.items != null && t.items.any()) || t.status() != BlockStatus.noInput) && t.block.targetable){
-                    float dst = t.dst2(x, y);
-                    if(closest == null || dst < cdist){
-                        closest = t;
-                        cdist = dst;
-                    }
-                }
-            }
-            return closest;
-        }else{
-            return super.targetFlag(x, y, flag, enemy);
-        }
-    }
-
     @Override
     public Teamc findTarget(float x, float y, float range, boolean air, boolean ground){
         var result = findMainTarget(x, y, range, air, ground);
@@ -76,7 +51,7 @@ public class FlyingAI extends AIController{
             rand.setSeed(unit.type.id + (state.rules.waves ? state.wave : unit.id));
             //try a few random flags first
             for(int attempt = 0; attempt < 5; attempt++){
-                Teamc result = targetFlag(x, y, randomTargets[rand.random(randomTargets.length - 1)], true);
+                Teamc result = targetFlagActive(x, y, randomTargets[rand.random(randomTargets.length - 1)], true);
                 if(result != null) return result;
             }
             //try the closest target
@@ -88,7 +63,7 @@ public class FlyingAI extends AIController{
                     Teamc result = target(x, y, range, air, ground);
                     if(result != null) return result;
                 }else if(ground){
-                    Teamc result = targetFlag(x, y, flag, true);
+                    Teamc result = targetFlagActive(x, y, flag, true);
                     if(result != null) return result;
                 }
             }
diff --git a/core/src/mindustry/entities/units/AIController.java b/core/src/mindustry/entities/units/AIController.java
index 9ca7908990..61f3ce7bd5 100644
--- a/core/src/mindustry/entities/units/AIController.java
+++ b/core/src/mindustry/entities/units/AIController.java
@@ -264,6 +264,11 @@ public class AIController implements UnitController{
         return Geometry.findClosest(x, y, enemy ? indexer.getEnemy(unit.team, flag) : indexer.getFlagged(unit.team, flag));
     }
 
+    public Teamc targetFlagActive(float x, float y, BlockFlag flag, boolean enemy){
+        if(unit.team == Team.derelict) return null;
+        return Geometry.findClosest(x, y, enemy ? indexer.getEnemy(unit.team, flag) : indexer.getFlagged(unit.team, flag), t -> ((t.items != null && t.items.any()) || t.status() != BlockStatus.noInput) && t.block.targetable);
+    }
+
     public Teamc target(float x, float y, float range, boolean air, boolean ground){
         return Units.closestTarget(unit.team, x, y, range, u -> u.checkTarget(air, ground), t -> ground && (unit.type.targetUnderBlocks || !t.block.underBullets));
     }
diff --git a/core/src/mindustry/game/MapObjectives.java b/core/src/mindustry/game/MapObjectives.java
index 9caace999a..333adf616b 100644
--- a/core/src/mindustry/game/MapObjectives.java
+++ b/core/src/mindustry/game/MapObjectives.java
@@ -313,6 +313,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(content == null) content = Items.copper;
         }
+
+        @Override
+        public String toString(){
+            return "research: " + content;
+        }
     }
 
     /** Produce a specific piece of content in the tech tree (essentially research with different text). */
@@ -339,6 +344,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(content == null) content = Items.copper;
         }
+
+        @Override
+        public String toString(){
+            return "produce: " + content;
+        }
     }
 
     /** Have a certain amount of item in your core. */
@@ -367,6 +377,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(item == null) item = Items.copper;
         }
+
+        @Override
+        public String toString(){
+            return "item: " + item + " x"  + amount;
+        }
     }
 
     /** Get a certain item in your core (through a block, not manually.) */
@@ -395,6 +410,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(item == null) item = Items.copper;
         }
+
+        @Override
+        public String toString(){
+            return "coreItem: " + item + " x"  + amount;
+        }
     }
 
     /** Build a certain amount of a block. */
@@ -423,6 +443,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(block == null) block = Blocks.conveyor;
         }
+
+        @Override
+        public String toString(){
+            return "buildCount: " + block + " x"  + count;
+        }
     }
 
     /** Produce a certain amount of a unit. */
@@ -451,6 +476,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(unit == null) unit = UnitTypes.dagger;
         }
+
+        @Override
+        public String toString(){
+            return "unitCount: " + unit + " x"  + count;
+        }
     }
 
     /** Produce a certain amount of units. */
@@ -472,6 +502,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public String text(){
             return Core.bundle.format("objective.destroyunits", count - state.stats.enemyUnitsDestroyed);
         }
+
+        @Override
+        public String toString(){
+            return "destroyUnits: " + count;
+        }
     }
 
     public static class TimerObjective extends MapObjective{
@@ -539,6 +574,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
 
             return null;
         }
+
+        @Override
+        public String toString(){
+            return "timer: " + duration;
+        }
     }
 
     public static class DestroyBlockObjective extends MapObjective{
@@ -569,6 +609,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(block == null) block = Blocks.router;
         }
+
+        @Override
+        public String toString(){
+            return "destroyBlock: " + block  + ":" + team + " " + pos;
+        }
     }
 
     public static class DestroyBlocksObjective extends MapObjective{
@@ -609,6 +654,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public void validate(){
             if(block == null) block = Blocks.router;
         }
+
+        @Override
+        public String toString(){
+            return "destroyBlocks: " + block + ":" + team + " " + Arrays.toString(positions);
+        }
     }
 
     /** Command any unit to do anything. Always compete in headless mode. */
@@ -622,6 +672,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public String text(){
             return Core.bundle.get("objective.command");
         }
+
+        @Override
+        public String toString(){
+            return "commandMode";
+        }
     }
 
     /** Wait until a logic flag is set. */
@@ -653,6 +708,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
                 return text;
             }
         }
+
+        @Override
+        public String toString(){
+            return "flag: " + flag;
+        }
     }
 
     /** Destroy all enemy core(s). */
@@ -666,6 +726,11 @@ public class MapObjectives implements Iterable<MapObjective>, Eachable<MapObject
         public String text(){
             return Core.bundle.get("objective.destroycore");
         }
+
+        @Override
+        public String toString(){
+            return "destroyCore";
+        }
     }
 
     /** Marker used for drawing various content to indicate something along with an objective. Mostly used as UI overlay. */
diff --git a/core/src/mindustry/game/Objectives.java b/core/src/mindustry/game/Objectives.java
index fb947c4bd0..3328eee453 100644
--- a/core/src/mindustry/game/Objectives.java
+++ b/core/src/mindustry/game/Objectives.java
@@ -29,6 +29,11 @@ public class Objectives{
                 (content.techNode == null || content.techNode.parent == null || content.techNode.parent.content.unlockedHost()) ?
                     (content.emoji() + " " + content.localizedName) : "???");
         }
+
+        @Override
+        public String toString(){
+            return "research: " + content;
+        }
     }
 
     public static class Produce implements Objective{
@@ -50,6 +55,11 @@ public class Objectives{
             return Core.bundle.format("requirement.produce",
                 content.unlockedHost() ? (content.emoji() + " " + content.localizedName) : "???");
         }
+
+        @Override
+        public String toString(){
+            return "produce: " + content;
+        }
     }
 
     public static class SectorComplete implements Objective{
@@ -70,6 +80,11 @@ public class Objectives{
         public String display(){
             return Core.bundle.format("requirement.capture", preset.localizedName);
         }
+
+        @Override
+        public String toString(){
+            return "sectorComplete: " + preset;
+        }
     }
 
     public static class OnSector implements Objective{
@@ -90,6 +105,11 @@ public class Objectives{
         public String display(){
             return Core.bundle.format("requirement.onsector", preset.localizedName);
         }
+
+        @Override
+        public String toString(){
+            return "onSector: " + preset;
+        }
     }
 
     public static class OnPlanet implements Objective{
@@ -110,6 +130,11 @@ public class Objectives{
         public String display(){
             return Core.bundle.format("requirement.onplanet", planet.localizedName);
         }
+
+        @Override
+        public String toString(){
+            return "onPlanet: " + planet;
+        }
     }
 
     /** Defines a specific objective for a game. */
diff --git a/core/src/mindustry/input/InputHandler.java b/core/src/mindustry/input/InputHandler.java
index bdd7d3c8ca..399c062d79 100644
--- a/core/src/mindustry/input/InputHandler.java
+++ b/core/src/mindustry/input/InputHandler.java
@@ -1939,7 +1939,8 @@ public abstract class InputHandler implements InputProcessor, GestureListener{
         && !player.dead()
         && player.unit().validMine(tile)
         && player.unit().acceptsItem(player.unit().getMineResult(tile))
-        && !((!Core.settings.getBool("doubletapmine") && tile.floor().playerUnmineable) && tile.overlay().itemDrop == null);
+        && !((!Core.settings.getBool("doubletapmine") && tile.floor().playerUnmineable) && tile.overlay().itemDrop == null)
+        && !((!Core.settings.getBool("doubletapmine") && tile.overlay().playerUnmineable) && tile.overlay().itemDrop != null);
     }
 
     /** Returns the tile at the specified MOUSE coordinates. */
diff --git a/core/src/mindustry/mod/ContentParser.java b/core/src/mindustry/mod/ContentParser.java
index 605fe3a88b..d6fa9fcf5f 100644
--- a/core/src/mindustry/mod/ContentParser.java
+++ b/core/src/mindustry/mod/ContentParser.java
@@ -616,6 +616,7 @@ public class ContentParser{
 
             currentContent = unit;
             read(() -> {
+                unit.beforeParse();
                 //add reconstructor type
                 if(value.has("requirements")){
                     JsonValue rec = value.remove("requirements");
diff --git a/core/src/mindustry/type/UnitType.java b/core/src/mindustry/type/UnitType.java
index e6ebce1042..a60d41cb17 100644
--- a/core/src/mindustry/type/UnitType.java
+++ b/core/src/mindustry/type/UnitType.java
@@ -1301,6 +1301,10 @@ public class UnitType extends UnlockableContent implements Senseable{
         initPathType();
     }
 
+    public void beforeParse(){
+        totalRequirements = cachedRequirements = firstRequirements = null;
+    }
+
     /** @return the time required to build this unit, as a value that takes into account reconstructors */
     public float getBuildTime(){
         getTotalRequirements();
diff --git a/gradle.properties b/gradle.properties
index 9d775d9cd6..b069861c74 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -26,4 +26,4 @@ org.gradle.caching=true
 org.gradle.internal.http.socketTimeout=100000
 org.gradle.internal.http.connectionTimeout=100000
 android.enableR8.fullMode=false
-archash=514b290fde
+archash=8c17f18ffb