fix: don't allow overlapping plot areas

Signed-off-by: Alexander Brandes <mc.cache@web.de>

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -24,13 +24,14 @@ body:
   - type: dropdown
     attributes:
       label: Server Version
-      description: Which server version version you using? If your server version is not listed, it is not supported. Update to a supported version first.
+      description: Which server version are you using? If your server version is not listed, it is not supported. Update to a supported version first.
       multiple: false
       options:
+        - '1.21.1'
+        - '1.20.6'
         - '1.20.4'
         - '1.20'
         - '1.19.4'
-        - '1.18.2'
     validations:
       required: true
 

.github/workflows/build-pr.yml

@@ -11,11 +11,11 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Validate Gradle Wrapper
-        uses: gradle/wrapper-validation-action@v2
+        uses: gradle/actions/wrapper-validation@v4
       - name: Setup Java
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
       - name: Clean Build
         run: ./gradlew clean build

.github/workflows/build.yml

@@ -11,12 +11,12 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Validate Gradle Wrapper
-        uses: gradle/wrapper-validation-action@v2
+        uses: gradle/actions/wrapper-validation@v4
       - name: Setup Java
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
       - name: Clean Build
         run: ./gradlew clean build
       - name: Determine release status

.github/workflows/codeql.yml

@@ -25,7 +25,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:

.github/workflows/label-merge-conflicts.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Label conflicting PRs
-        uses: eps1lon/actions-label-merge-conflict@v2.1.0
+        uses: eps1lon/actions-label-merge-conflict@v3.0.2
         with:
           dirtyLabel: "unresolved-merge-conflict"
           repoToken: "${{ secrets.GITHUB_TOKEN }}"

Bukkit/build.gradle.kts

@@ -106,12 +106,13 @@ tasks {
         opt.links("https://intellectualsites.github.io/plotsquared-javadocs/core/")
         opt.links("https://jd.advntr.dev/api/4.14.0/")
         opt.links("https://google.github.io/guice/api-docs/" + libs.guice.get().versionConstraint.toString() + "/javadoc/")
-    //    opt.links("https://checkerframework.org/api/")
+        opt.links("https://checkerframework.org/api/")
         opt.isLinkSource = true
         opt.bottom(File("$rootDir/javadocfooter.html").readText())
         opt.isUse = true
         opt.encoding("UTF-8")
         opt.keyWords()
         opt.addStringOption("-since", isRelease)
+        opt.noTimestamp()
     }
 }

Bukkit/src/main/java/com/plotsquared/bukkit/BukkitPlatform.java

@@ -24,7 +24,6 @@ import com.google.inject.Injector;
 import com.google.inject.Key;
 import com.google.inject.Singleton;
 import com.google.inject.Stage;
-import com.google.inject.TypeLiteral;
 import com.plotsquared.bukkit.generator.BukkitPlotGenerator;
 import com.plotsquared.bukkit.inject.BackupModule;
 import com.plotsquared.bukkit.inject.BukkitModule;
@@ -35,6 +34,7 @@ import com.plotsquared.bukkit.listener.BlockEventListener117;
 import com.plotsquared.bukkit.listener.ChunkListener;
 import com.plotsquared.bukkit.listener.EntityEventListener;
 import com.plotsquared.bukkit.listener.EntitySpawnListener;
+import com.plotsquared.bukkit.listener.HighFreqBlockEventListener;
 import com.plotsquared.bukkit.listener.PaperListener;
 import com.plotsquared.bukkit.listener.PlayerEventListener;
 import com.plotsquared.bukkit.listener.PlayerEventListener1201;
@@ -45,7 +45,6 @@ import com.plotsquared.bukkit.listener.SpigotListener;
 import com.plotsquared.bukkit.listener.WorldEvents;
 import com.plotsquared.bukkit.placeholder.PAPIPlaceholders;
 import com.plotsquared.bukkit.placeholder.PlaceholderFormatter;
-import com.plotsquared.bukkit.player.BukkitPlayer;
 import com.plotsquared.bukkit.player.BukkitPlayerManager;
 import com.plotsquared.bukkit.util.BukkitUtil;
 import com.plotsquared.bukkit.util.BukkitWorld;
@@ -364,6 +363,9 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
                 getServer().getPluginManager().registerEvents(injector().getInstance(PlayerEventListener1201.class), this);
             }
             getServer().getPluginManager().registerEvents(injector().getInstance(BlockEventListener.class), this);
+            if (Settings.HIGH_FREQUENCY_LISTENER) {
+                getServer().getPluginManager().registerEvents(injector().getInstance(HighFreqBlockEventListener.class), this);
+            }
             if (serverVersion()[1] >= 17) {
                 getServer().getPluginManager().registerEvents(injector().getInstance(BlockEventListener117.class), this);
             }
@@ -820,12 +822,18 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
                             // Temporarily classify as vehicle
                         case "MINECART":
                         case "MINECART_CHEST":
+                        case "CHEST_MINECART":
                         case "MINECART_COMMAND":
+                        case "COMMAND_BLOCK_MINECART":
                         case "MINECART_FURNACE":
+                        case "FURNACE_MINECART":
                         case "MINECART_HOPPER":
+                        case "HOPPER_MINECART":
                         case "MINECART_MOB_SPAWNER":
+                        case "SPAWNER_MINECART":
                         case "ENDER_CRYSTAL":
                         case "MINECART_TNT":
+                        case "TNT_MINECART":
                         case "CHEST_BOAT":
                         case "BOAT":
                             if (Settings.Enabled_Components.KILL_ROAD_VEHICLES) {
@@ -1271,15 +1279,13 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
 
     @Override
     public @NonNull PlatformWorldManager<?> worldManager() {
-        return injector().getInstance(Key.get(new TypeLiteral<PlatformWorldManager<World>>() {
-        }));
+        return this.worldManager;
     }
 
     @Override
     @NonNull
-    @SuppressWarnings("unchecked")
     public PlayerManager<? extends PlotPlayer<Player>, ? extends Player> playerManager() {
-        return (PlayerManager<BukkitPlayer, Player>) injector().getInstance(PlayerManager.class);
+        return this.playerManager;
     }
 
     @Override

Bukkit/src/main/java/com/plotsquared/bukkit/listener/BlockEventListener.java

@@ -24,7 +24,6 @@ import com.plotsquared.bukkit.util.BukkitUtil;
 import com.plotsquared.core.PlotSquared;
 import com.plotsquared.core.configuration.Settings;
 import com.plotsquared.core.configuration.caption.TranslatableCaption;
-import com.plotsquared.core.database.DBFunc;
 import com.plotsquared.core.location.Location;
 import com.plotsquared.core.permissions.Permission;
 import com.plotsquared.core.player.PlotPlayer;
@@ -48,7 +47,6 @@ import com.plotsquared.core.plot.flag.implementations.LeafDecayFlag;
 import com.plotsquared.core.plot.flag.implementations.LiquidFlowFlag;
 import com.plotsquared.core.plot.flag.implementations.MycelGrowFlag;
 import com.plotsquared.core.plot.flag.implementations.PlaceFlag;
-import com.plotsquared.core.plot.flag.implementations.RedstoneFlag;
 import com.plotsquared.core.plot.flag.implementations.SnowFormFlag;
 import com.plotsquared.core.plot.flag.implementations.SnowMeltFlag;
 import com.plotsquared.core.plot.flag.implementations.SoilDryFlag;
@@ -62,7 +60,6 @@ import com.plotsquared.core.util.task.TaskTime;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.bukkit.BukkitAdapter;
 import com.sk89q.worldedit.world.block.BlockType;
-import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.minimessage.tag.Tag;
 import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
 import org.bukkit.Bukkit;
@@ -92,11 +89,9 @@ import org.bukkit.event.block.BlockFromToEvent;
 import org.bukkit.event.block.BlockGrowEvent;
 import org.bukkit.event.block.BlockIgniteEvent;
 import org.bukkit.event.block.BlockMultiPlaceEvent;
-import org.bukkit.event.block.BlockPhysicsEvent;
 import org.bukkit.event.block.BlockPistonExtendEvent;
 import org.bukkit.event.block.BlockPistonRetractEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
-import org.bukkit.event.block.BlockRedstoneEvent;
 import org.bukkit.event.block.BlockSpreadEvent;
 import org.bukkit.event.block.CauldronLevelChangeEvent;
 import org.bukkit.event.block.EntityBlockFormEvent;
@@ -111,10 +106,6 @@ import org.checkerframework.checker.nullness.qual.NonNull;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Objects;
-import java.util.Set;
-import java.util.UUID;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
 
 import static org.bukkit.Tag.CORALS;
 import static org.bukkit.Tag.CORAL_BLOCKS;
@@ -122,20 +113,6 @@ import static org.bukkit.Tag.WALL_CORALS;
 
 @SuppressWarnings("unused")
 public class BlockEventListener implements Listener {
-
-    private static final Set<Material> PISTONS = Set.of(
-            Material.PISTON,
-            Material.STICKY_PISTON
-    );
-    private static final Set<Material> PHYSICS_BLOCKS = Set.of(
-            Material.TURTLE_EGG,
-            Material.TURTLE_SPAWN_EGG
-    );
-    private static final Set<Material> SNOW = Stream.of(Material.values()) // needed as Tag.SNOW isn't present in 1.16.5
-            .filter(material -> material.name().contains("SNOW"))
-            .filter(Material::isBlock)
-            .collect(Collectors.toUnmodifiableSet());
-
     private final PlotAreaManager plotAreaManager;
     private final WorldEdit worldEdit;
 
@@ -164,114 +141,6 @@ public class BlockEventListener implements Listener {
         }, TaskTime.ticks(3L));
     }
 
-    @EventHandler
-    public void onRedstoneEvent(BlockRedstoneEvent event) {
-        Block block = event.getBlock();
-        Location location = BukkitUtil.adapt(block.getLocation());
-        PlotArea area = location.getPlotArea();
-        if (area == null) {
-            return;
-        }
-        Plot plot = location.getOwnedPlot();
-        if (plot == null) {
-            if (PlotFlagUtil.isAreaRoadFlagsAndFlagEquals(area, RedstoneFlag.class, false)) {
-                event.setNewCurrent(0);
-            }
-            return;
-        }
-        if (!plot.getFlag(RedstoneFlag.class)) {
-            event.setNewCurrent(0);
-            plot.debug("Redstone event was cancelled because redstone = false");
-            return;
-        }
-        if (Settings.Redstone.DISABLE_OFFLINE) {
-            boolean disable = false;
-            if (!DBFunc.SERVER.equals(plot.getOwner())) {
-                if (plot.isMerged()) {
-                    disable = true;
-                    for (UUID owner : plot.getOwners()) {
-                        if (PlotSquared.platform().playerManager().getPlayerIfExists(owner) != null) {
-                            disable = false;
-                            break;
-                        }
-                    }
-                } else {
-                    disable = PlotSquared.platform().playerManager().getPlayerIfExists(plot.getOwnerAbs()) == null;
-                }
-            }
-            if (disable) {
-                for (UUID trusted : plot.getTrusted()) {
-                    if (PlotSquared.platform().playerManager().getPlayerIfExists(trusted) != null) {
-                        disable = false;
-                        break;
-                    }
-                }
-                if (disable) {
-                    event.setNewCurrent(0);
-                    plot.debug("Redstone event was cancelled because no trusted player was in the plot");
-                    return;
-                }
-            }
-        }
-        if (Settings.Redstone.DISABLE_UNOCCUPIED) {
-            for (final PlotPlayer<?> player : PlotSquared.platform().playerManager().getPlayers()) {
-                if (plot.equals(player.getCurrentPlot())) {
-                    return;
-                }
-            }
-            event.setNewCurrent(0);
-        }
-    }
-
-    @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
-    public void onPhysicsEvent(BlockPhysicsEvent event) {
-        Block block = event.getBlock();
-        Location location = BukkitUtil.adapt(block.getLocation());
-        PlotArea area = location.getPlotArea();
-        if (area == null) {
-            return;
-        }
-        Plot plot = area.getOwnedPlotAbs(location);
-        if (plot == null) {
-            return;
-        }
-        if (event.getChangedType().hasGravity() && plot.getFlag(DisablePhysicsFlag.class)) {
-            event.setCancelled(true);
-            sendBlockChange(event.getBlock().getLocation(), event.getBlock().getBlockData());
-            plot.debug("Prevented block physics and resent block change because disable-physics = true");
-            return;
-        }
-        if (event.getChangedType() == Material.COMPARATOR) {
-            if (!plot.getFlag(RedstoneFlag.class)) {
-                event.setCancelled(true);
-                plot.debug("Prevented comparator update because redstone = false");
-            }
-            return;
-        }
-        if (PHYSICS_BLOCKS.contains(event.getChangedType())) {
-            if (plot.getFlag(DisablePhysicsFlag.class)) {
-                event.setCancelled(true);
-                plot.debug("Prevented block physics because disable-physics = true");
-            }
-            return;
-        }
-        if (Settings.Redstone.DETECT_INVALID_EDGE_PISTONS) {
-            if (PISTONS.contains(block.getType())) {
-                org.bukkit.block.data.Directional piston = (org.bukkit.block.data.Directional) block.getBlockData();
-                final BlockFace facing = piston.getFacing();
-                location = location.add(facing.getModX(), facing.getModY(), facing.getModZ());
-                Plot newPlot = area.getOwnedPlotAbs(location);
-                if (plot.equals(newPlot)) {
-                    return;
-                }
-                if (!plot.isMerged() || !plot.getConnectedPlots().contains(newPlot)) {
-                    event.setCancelled(true);
-                    plot.debug("Prevented piston update because of invalid edge piston detection");
-                }
-            }
-        }
-    }
-
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void blockCreate(BlockPlaceEvent event) {
         Location location = BukkitUtil.adapt(event.getBlock().getLocation());
@@ -285,13 +154,6 @@ public class BlockEventListener implements Listener {
         if (plot != null) {
             if (area.notifyIfOutsideBuildArea(pp, location.getY())) {
                 event.setCancelled(true);
-                pp.sendMessage(
-                        TranslatableCaption.of("height.height_limit"),
-                        TagResolver.builder()
-                                .tag("minheight", Tag.inserting(Component.text(area.getMinBuildHeight())))
-                                .tag("maxheight", Tag.inserting(Component.text(area.getMaxBuildHeight())))
-                                .build()
-                );
                 return;
             }
             if (!plot.hasOwner()) {
@@ -383,13 +245,6 @@ public class BlockEventListener implements Listener {
                 }
             } else if (area.notifyIfOutsideBuildArea(plotPlayer, location.getY())) {
                 event.setCancelled(true);
-                plotPlayer.sendMessage(
-                        TranslatableCaption.of("height.height_limit"),
-                        TagResolver.builder()
-                                .tag("minheight", Tag.inserting(Component.text(area.getMinBuildHeight())))
-                                .tag("maxheight", Tag.inserting(Component.text(area.getMaxBuildHeight())))
-                                .build()
-                );
                 return;
             }
             if (!plot.hasOwner()) {
@@ -1345,18 +1200,9 @@ public class BlockEventListener implements Listener {
             if (pp.hasPermission(Permission.PERMISSION_ADMIN_BUILD_HEIGHT_LIMIT)) {
                 continue;
             }
-            if (currentLocation.getY() >= area.getMaxBuildHeight() || currentLocation.getY() < area.getMinBuildHeight()) {
-                pp.sendMessage(
-                        TranslatableCaption.of("height.height_limit"),
-                        TagResolver.builder()
-                                .tag("minheight", Tag.inserting(Component.text(area.getMinBuildHeight())))
-                                .tag("maxheight", Tag.inserting(Component.text(area.getMaxBuildHeight())))
-                                .build()
-                );
-                if (area.notifyIfOutsideBuildArea(pp, currentLocation.getY())) {
-                    event.setCancelled(true);
-                    break;
-                }
+            if (area.notifyIfOutsideBuildArea(pp, currentLocation.getY())) {
+                event.setCancelled(true);
+                break;
             }
         }
 

Bukkit/src/main/java/com/plotsquared/bukkit/listener/EntitySpawnListener.java

@@ -154,7 +154,7 @@ public class EntitySpawnListener implements Listener {
         if (Settings.Done.RESTRICT_BUILDING && DoneFlag.isDone(plot)) {
             event.setCancelled(true);
         }
-        if (type == EntityType.ENDER_CRYSTAL) {
+        if (type == EntityType.ENDER_CRYSTAL || type == EntityType.ARMOR_STAND) {
             if (BukkitEntityUtil.checkEntity(entity, plot)) {
                 event.setCancelled(true);
             }

Bukkit/src/main/java/com/plotsquared/bukkit/listener/HighFreqBlockEventListener.java

@@ -0,0 +1,201 @@
+/*
+ * PlotSquared, a land and world management plugin for Minecraft.
+ * Copyright (C) IntellectualSites <https://intellectualsites.com>
+ * Copyright (C) IntellectualSites team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.plotsquared.bukkit.listener;
+
+import com.google.inject.Inject;
+import com.plotsquared.bukkit.player.BukkitPlayer;
+import com.plotsquared.bukkit.util.BukkitUtil;
+import com.plotsquared.core.PlotSquared;
+import com.plotsquared.core.configuration.Settings;
+import com.plotsquared.core.database.DBFunc;
+import com.plotsquared.core.location.Location;
+import com.plotsquared.core.player.PlotPlayer;
+import com.plotsquared.core.plot.Plot;
+import com.plotsquared.core.plot.PlotArea;
+import com.plotsquared.core.plot.flag.implementations.DisablePhysicsFlag;
+import com.plotsquared.core.plot.flag.implementations.RedstoneFlag;
+import com.plotsquared.core.plot.world.PlotAreaManager;
+import com.plotsquared.core.util.PlotFlagUtil;
+import com.plotsquared.core.util.task.TaskManager;
+import com.plotsquared.core.util.task.TaskTime;
+import com.sk89q.worldedit.WorldEdit;
+import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.BlockPhysicsEvent;
+import org.bukkit.event.block.BlockRedstoneEvent;
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+import java.util.Set;
+import java.util.UUID;
+
+@SuppressWarnings("unused")
+public class HighFreqBlockEventListener implements Listener {
+
+    private static final Set<Material> PISTONS = Set.of(
+            Material.PISTON,
+            Material.STICKY_PISTON
+    );
+    private static final Set<Material> PHYSICS_BLOCKS = Set.of(
+            Material.TURTLE_EGG,
+            Material.TURTLE_SPAWN_EGG
+    );
+
+    private final PlotAreaManager plotAreaManager;
+    private final WorldEdit worldEdit;
+
+    @Inject
+    public HighFreqBlockEventListener(final @NonNull PlotAreaManager plotAreaManager, final @NonNull WorldEdit worldEdit) {
+        this.plotAreaManager = plotAreaManager;
+        this.worldEdit = worldEdit;
+    }
+
+    public static void sendBlockChange(final org.bukkit.Location bloc, final BlockData data) {
+        TaskManager.runTaskLater(() -> {
+            String world = bloc.getWorld().getName();
+            int x = bloc.getBlockX();
+            int z = bloc.getBlockZ();
+            int distance = Bukkit.getViewDistance() * 16;
+
+            for (final PlotPlayer<?> player : PlotSquared.platform().playerManager().getPlayers()) {
+                Location location = player.getLocation();
+                if (location.getWorldName().equals(world)) {
+                    if (16 * Math.abs(location.getX() - x) / 16 > distance || 16 * Math.abs(location.getZ() - z) / 16 > distance) {
+                        continue;
+                    }
+                    ((BukkitPlayer) player).player.sendBlockChange(bloc, data);
+                }
+            }
+        }, TaskTime.ticks(3L));
+    }
+
+    @EventHandler
+    public void onRedstoneEvent(BlockRedstoneEvent event) {
+        Block block = event.getBlock();
+        Location location = BukkitUtil.adapt(block.getLocation());
+        PlotArea area = location.getPlotArea();
+        if (area == null) {
+            return;
+        }
+        Plot plot = location.getOwnedPlot();
+        if (plot == null) {
+            if (PlotFlagUtil.isAreaRoadFlagsAndFlagEquals(area, RedstoneFlag.class, false)) {
+                event.setNewCurrent(0);
+            }
+            return;
+        }
+        if (!plot.getFlag(RedstoneFlag.class)) {
+            event.setNewCurrent(0);
+            plot.debug("Redstone event was cancelled because redstone = false");
+            return;
+        }
+        if (Settings.Redstone.DISABLE_OFFLINE) {
+            boolean disable = false;
+            if (!DBFunc.SERVER.equals(plot.getOwner())) {
+                if (plot.isMerged()) {
+                    disable = true;
+                    for (UUID owner : plot.getOwners()) {
+                        if (PlotSquared.platform().playerManager().getPlayerIfExists(owner) != null) {
+                            disable = false;
+                            break;
+                        }
+                    }
+                } else {
+                    disable = PlotSquared.platform().playerManager().getPlayerIfExists(plot.getOwnerAbs()) == null;
+                }
+            }
+            if (disable) {
+                for (UUID trusted : plot.getTrusted()) {
+                    if (PlotSquared.platform().playerManager().getPlayerIfExists(trusted) != null) {
+                        disable = false;
+                        break;
+                    }
+                }
+                if (disable) {
+                    event.setNewCurrent(0);
+                    plot.debug("Redstone event was cancelled because no trusted player was in the plot");
+                    return;
+                }
+            }
+        }
+        if (Settings.Redstone.DISABLE_UNOCCUPIED) {
+            for (final PlotPlayer<?> player : PlotSquared.platform().playerManager().getPlayers()) {
+                if (plot.equals(player.getCurrentPlot())) {
+                    return;
+                }
+            }
+            event.setNewCurrent(0);
+        }
+    }
+
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
+    public void onPhysicsEvent(BlockPhysicsEvent event) {
+        Block block = event.getBlock();
+        Location location = BukkitUtil.adapt(block.getLocation());
+        PlotArea area = location.getPlotArea();
+        if (area == null) {
+            return;
+        }
+        Plot plot = area.getOwnedPlotAbs(location);
+        if (plot == null) {
+            return;
+        }
+        if (event.getChangedType().hasGravity() && plot.getFlag(DisablePhysicsFlag.class)) {
+            event.setCancelled(true);
+            sendBlockChange(event.getBlock().getLocation(), event.getBlock().getBlockData());
+            plot.debug("Prevented block physics and resent block change because disable-physics = true");
+            return;
+        }
+        if (event.getChangedType() == Material.COMPARATOR) {
+            if (!plot.getFlag(RedstoneFlag.class)) {
+                event.setCancelled(true);
+                plot.debug("Prevented comparator update because redstone = false");
+            }
+            return;
+        }
+        if (PHYSICS_BLOCKS.contains(event.getChangedType())) {
+            if (plot.getFlag(DisablePhysicsFlag.class)) {
+                event.setCancelled(true);
+                plot.debug("Prevented block physics because disable-physics = true");
+            }
+            return;
+        }
+        if (Settings.Redstone.DETECT_INVALID_EDGE_PISTONS) {
+            if (PISTONS.contains(block.getType())) {
+                org.bukkit.block.data.Directional piston = (org.bukkit.block.data.Directional) block.getBlockData();
+                final BlockFace facing = piston.getFacing();
+                location = location.add(facing.getModX(), facing.getModY(), facing.getModZ());
+                Plot newPlot = area.getOwnedPlotAbs(location);
+                if (plot.equals(newPlot)) {
+                    return;
+                }
+                if (!plot.isMerged() || !plot.getConnectedPlots().contains(newPlot)) {
+                    event.setCancelled(true);
+                    plot.debug("Prevented piston update because of invalid edge piston detection");
+                }
+            }
+        }
+    }
+
+}

Bukkit/src/main/java/com/plotsquared/bukkit/listener/PaperListener.java

@@ -19,6 +19,7 @@
 package com.plotsquared.bukkit.listener;
 
 import com.destroystokyo.paper.event.block.BeaconEffectEvent;
+import com.destroystokyo.paper.event.block.BlockDestroyEvent;
 import com.destroystokyo.paper.event.entity.EntityPathfindEvent;
 import com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent;
 import com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent;
@@ -42,6 +43,7 @@ import com.plotsquared.core.plot.flag.implementations.BeaconEffectsFlag;
 import com.plotsquared.core.plot.flag.implementations.DoneFlag;
 import com.plotsquared.core.plot.flag.implementations.FishingFlag;
 import com.plotsquared.core.plot.flag.implementations.ProjectilesFlag;
+import com.plotsquared.core.plot.flag.implementations.TileDropFlag;
 import com.plotsquared.core.plot.flag.types.BooleanFlag;
 import com.plotsquared.core.plot.world.PlotAreaManager;
 import com.plotsquared.core.util.PlotFlagUtil;
@@ -84,6 +86,19 @@ public class PaperListener implements Listener {
         this.plotAreaManager = plotAreaManager;
     }
 
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
+    public void onBlockDestroy(final BlockDestroyEvent event) {
+        Location location = BukkitUtil.adapt(event.getBlock().getLocation());
+        PlotArea area = location.getPlotArea();
+        if (area == null) {
+            return;
+        }
+        Plot plot = area.getPlot(location);
+        if (plot != null) {
+            event.setWillDrop(plot.getFlag(TileDropFlag.class));
+        }
+    }
+
     @EventHandler
     public void onEntityPathfind(EntityPathfindEvent event) {
         if (!Settings.Paper_Components.ENTITY_PATHING) {

Bukkit/src/main/java/com/plotsquared/bukkit/listener/PlayerEventListener.java

@@ -61,6 +61,7 @@ import com.plotsquared.core.plot.flag.implementations.MiscInteractFlag;
 import com.plotsquared.core.plot.flag.implementations.PlayerInteractFlag;
 import com.plotsquared.core.plot.flag.implementations.PreventCreativeCopyFlag;
 import com.plotsquared.core.plot.flag.implementations.TamedInteractFlag;
+import com.plotsquared.core.plot.flag.implementations.TileDropFlag;
 import com.plotsquared.core.plot.flag.implementations.UntrustedVisitFlag;
 import com.plotsquared.core.plot.flag.implementations.VehicleBreakFlag;
 import com.plotsquared.core.plot.flag.implementations.VehicleUseFlag;
@@ -107,6 +108,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
+import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.entity.EntityPickupItemEvent;
 import org.bukkit.event.entity.EntityPlaceEvent;
 import org.bukkit.event.entity.EntityPotionEffectEvent;
@@ -199,11 +201,76 @@ public class PlayerEventListener implements Listener {
                 "GLOW_INK_SAC"
         ));
         int[] version = PlotSquared.platform().serverVersion();
-        if (version[1] >= 20 && version[2] >= 1) {
+        if (version[1] >= 20) {
             mutableDyes.add("HONEYCOMB");
         }
         DYES = Set.copyOf(mutableDyes);
     }
+
+    private static final Set<String> INTERACTABLE_MATERIALS;
+
+    static {
+        // @formatter:off
+        // "temporary" fix for https://hub.spigotmc.org/jira/browse/SPIGOT-7813
+        // can (and should) be removed when 1.21 support is dropped
+        // List of all interactable 1.21 materials
+        INTERACTABLE_MATERIALS = Material.CHEST.isInteractable() ? null :  Set.of(
+                "REDSTONE_ORE", "DEEPSLATE_REDSTONE_ORE", "CHISELED_BOOKSHELF", "DECORATED_POT", "CHEST", "CRAFTING_TABLE",
+                "FURNACE", "JUKEBOX", "OAK_FENCE", "SPRUCE_FENCE", "BIRCH_FENCE", "JUNGLE_FENCE", "ACACIA_FENCE", "CHERRY_FENCE",
+                "DARK_OAK_FENCE", "MANGROVE_FENCE", "BAMBOO_FENCE", "CRIMSON_FENCE", "WARPED_FENCE", "PUMPKIN",
+                "NETHER_BRICK_FENCE", "ENCHANTING_TABLE", "DRAGON_EGG", "ENDER_CHEST", "COMMAND_BLOCK", "BEACON", "ANVIL",
+                "CHIPPED_ANVIL", "DAMAGED_ANVIL", "LIGHT", "REPEATING_COMMAND_BLOCK", "CHAIN_COMMAND_BLOCK", "SHULKER_BOX",
+                "WHITE_SHULKER_BOX", "ORANGE_SHULKER_BOX", "MAGENTA_SHULKER_BOX", "LIGHT_BLUE_SHULKER_BOX", "YELLOW_SHULKER_BOX",
+                "LIME_SHULKER_BOX", "PINK_SHULKER_BOX", "GRAY_SHULKER_BOX", "LIGHT_GRAY_SHULKER_BOX", "CYAN_SHULKER_BOX",
+                "PURPLE_SHULKER_BOX", "BLUE_SHULKER_BOX", "BROWN_SHULKER_BOX", "GREEN_SHULKER_BOX", "RED_SHULKER_BOX",
+                "BLACK_SHULKER_BOX", "REPEATER", "COMPARATOR", "HOPPER", "DISPENSER", "DROPPER", "LECTERN", "LEVER",
+                "DAYLIGHT_DETECTOR", "TRAPPED_CHEST", "TNT", "NOTE_BLOCK", "STONE_BUTTON", "POLISHED_BLACKSTONE_BUTTON",
+                "OAK_BUTTON", "SPRUCE_BUTTON", "BIRCH_BUTTON", "JUNGLE_BUTTON", "ACACIA_BUTTON", "CHERRY_BUTTON",
+                "DARK_OAK_BUTTON", "MANGROVE_BUTTON", "BAMBOO_BUTTON", "CRIMSON_BUTTON", "WARPED_BUTTON", "IRON_DOOR", "OAK_DOOR",
+                "SPRUCE_DOOR", "BIRCH_DOOR", "JUNGLE_DOOR", "ACACIA_DOOR", "CHERRY_DOOR", "DARK_OAK_DOOR", "MANGROVE_DOOR",
+                "BAMBOO_DOOR", "CRIMSON_DOOR", "WARPED_DOOR", "COPPER_DOOR", "EXPOSED_COPPER_DOOR", "WEATHERED_COPPER_DOOR",
+                "OXIDIZED_COPPER_DOOR", "WAXED_COPPER_DOOR", "WAXED_EXPOSED_COPPER_DOOR", "WAXED_WEATHERED_COPPER_DOOR",
+                "WAXED_OXIDIZED_COPPER_DOOR", "IRON_TRAPDOOR", "OAK_TRAPDOOR", "SPRUCE_TRAPDOOR", "BIRCH_TRAPDOOR",
+                "JUNGLE_TRAPDOOR", "ACACIA_TRAPDOOR", "CHERRY_TRAPDOOR", "DARK_OAK_TRAPDOOR", "MANGROVE_TRAPDOOR",
+                "BAMBOO_TRAPDOOR", "CRIMSON_TRAPDOOR", "WARPED_TRAPDOOR", "COPPER_TRAPDOOR", "EXPOSED_COPPER_TRAPDOOR",
+                "WEATHERED_COPPER_TRAPDOOR", "OXIDIZED_COPPER_TRAPDOOR", "WAXED_COPPER_TRAPDOOR", "WAXED_EXPOSED_COPPER_TRAPDOOR",
+                "WAXED_WEATHERED_COPPER_TRAPDOOR", "WAXED_OXIDIZED_COPPER_TRAPDOOR", "OAK_FENCE_GATE", "SPRUCE_FENCE_GATE",
+                "BIRCH_FENCE_GATE", "JUNGLE_FENCE_GATE", "ACACIA_FENCE_GATE", "CHERRY_FENCE_GATE", "DARK_OAK_FENCE_GATE",
+                "MANGROVE_FENCE_GATE", "BAMBOO_FENCE_GATE", "CRIMSON_FENCE_GATE", "WARPED_FENCE_GATE", "STRUCTURE_BLOCK",
+                "JIGSAW", "OAK_SIGN", "SPRUCE_SIGN", "BIRCH_SIGN", "JUNGLE_SIGN", "ACACIA_SIGN", "CHERRY_SIGN", "DARK_OAK_SIGN",
+                "MANGROVE_SIGN", "BAMBOO_SIGN", "CRIMSON_SIGN", "WARPED_SIGN", "OAK_HANGING_SIGN", "SPRUCE_HANGING_SIGN",
+                "BIRCH_HANGING_SIGN", "JUNGLE_HANGING_SIGN", "ACACIA_HANGING_SIGN", "CHERRY_HANGING_SIGN",
+                "DARK_OAK_HANGING_SIGN", "MANGROVE_HANGING_SIGN", "BAMBOO_HANGING_SIGN", "CRIMSON_HANGING_SIGN",
+                "WARPED_HANGING_SIGN", "CAKE", "WHITE_BED", "ORANGE_BED", "MAGENTA_BED", "LIGHT_BLUE_BED", "YELLOW_BED",
+                "LIME_BED", "PINK_BED", "GRAY_BED", "LIGHT_GRAY_BED", "CYAN_BED", "PURPLE_BED", "BLUE_BED", "BROWN_BED",
+                "GREEN_BED", "RED_BED", "BLACK_BED", "CRAFTER", "BREWING_STAND", "CAULDRON", "FLOWER_POT", "LOOM", "COMPOSTER",
+                "BARREL", "SMOKER", "BLAST_FURNACE", "CARTOGRAPHY_TABLE", "FLETCHING_TABLE", "GRINDSTONE", "SMITHING_TABLE",
+                "STONECUTTER", "BELL", "CAMPFIRE", "SOUL_CAMPFIRE", "BEE_NEST", "BEEHIVE", "RESPAWN_ANCHOR", "CANDLE",
+                "WHITE_CANDLE", "ORANGE_CANDLE", "MAGENTA_CANDLE", "LIGHT_BLUE_CANDLE", "YELLOW_CANDLE", "LIME_CANDLE",
+                "PINK_CANDLE", "GRAY_CANDLE", "LIGHT_GRAY_CANDLE", "CYAN_CANDLE", "PURPLE_CANDLE", "BLUE_CANDLE", "BROWN_CANDLE",
+                "GREEN_CANDLE", "RED_CANDLE", "BLACK_CANDLE", "VAULT", "MOVING_PISTON", "REDSTONE_WIRE", "OAK_WALL_SIGN",
+                "SPRUCE_WALL_SIGN", "BIRCH_WALL_SIGN", "ACACIA_WALL_SIGN", "CHERRY_WALL_SIGN", "JUNGLE_WALL_SIGN",
+                "DARK_OAK_WALL_SIGN", "MANGROVE_WALL_SIGN", "BAMBOO_WALL_SIGN", "OAK_WALL_HANGING_SIGN",
+                "SPRUCE_WALL_HANGING_SIGN", "BIRCH_WALL_HANGING_SIGN", "ACACIA_WALL_HANGING_SIGN",
+                "CHERRY_WALL_HANGING_SIGN", "JUNGLE_WALL_HANGING_SIGN", "DARK_OAK_WALL_HANGING_SIGN",
+                "MANGROVE_WALL_HANGING_SIGN", "CRIMSON_WALL_HANGING_SIGN", "WARPED_WALL_HANGING_SIGN", "BAMBOO_WALL_HANGING_SIGN",
+                "WATER_CAULDRON", "LAVA_CAULDRON", "POWDER_SNOW_CAULDRON", "POTTED_TORCHFLOWER", "POTTED_OAK_SAPLING",
+                "POTTED_SPRUCE_SAPLING", "POTTED_BIRCH_SAPLING", "POTTED_JUNGLE_SAPLING", "POTTED_ACACIA_SAPLING",
+                "POTTED_CHERRY_SAPLING", "POTTED_DARK_OAK_SAPLING", "POTTED_MANGROVE_PROPAGULE", "POTTED_FERN",
+                "POTTED_DANDELION", "POTTED_POPPY", "POTTED_BLUE_ORCHID", "POTTED_ALLIUM", "POTTED_AZURE_BLUET",
+                "POTTED_RED_TULIP", "POTTED_ORANGE_TULIP", "POTTED_WHITE_TULIP", "POTTED_PINK_TULIP", "POTTED_OXEYE_DAISY",
+                "POTTED_CORNFLOWER", "POTTED_LILY_OF_THE_VALLEY", "POTTED_WITHER_ROSE", "POTTED_RED_MUSHROOM",
+                "POTTED_BROWN_MUSHROOM", "POTTED_DEAD_BUSH", "POTTED_CACTUS", "POTTED_BAMBOO", "SWEET_BERRY_BUSH",
+                "CRIMSON_WALL_SIGN", "WARPED_WALL_SIGN", "POTTED_CRIMSON_FUNGUS", "POTTED_WARPED_FUNGUS", "POTTED_CRIMSON_ROOTS",
+                "POTTED_WARPED_ROOTS", "CANDLE_CAKE", "WHITE_CANDLE_CAKE", "ORANGE_CANDLE_CAKE", "MAGENTA_CANDLE_CAKE",
+                "LIGHT_BLUE_CANDLE_CAKE", "YELLOW_CANDLE_CAKE", "LIME_CANDLE_CAKE", "PINK_CANDLE_CAKE", "GRAY_CANDLE_CAKE",
+                "LIGHT_GRAY_CANDLE_CAKE", "CYAN_CANDLE_CAKE", "PURPLE_CANDLE_CAKE", "BLUE_CANDLE_CAKE", "BROWN_CANDLE_CAKE",
+                "GREEN_CANDLE_CAKE", "RED_CANDLE_CAKE", "BLACK_CANDLE_CAKE", "CAVE_VINES", "CAVE_VINES_PLANT",
+                "POTTED_AZALEA_BUSH", "POTTED_FLOWERING_AZALEA_BUSH"
+        );
+        // @formatter:on
+    }
+
     private final EventDispatcher eventDispatcher;
     private final WorldEdit worldEdit;
     private final PlotAreaManager plotAreaManager;
@@ -236,6 +303,19 @@ public class PlayerEventListener implements Listener {
         this.plotListener = plotListener;
     }
 
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.LOWEST)
+    public void onBlockBreak(final BlockBreakEvent event) {
+        Location location = BukkitUtil.adapt(event.getBlock().getLocation());
+        PlotArea area = location.getPlotArea();
+        if (area == null) {
+            return;
+        }
+        Plot plot = area.getPlot(location);
+        if (plot != null) {
+            event.setDropItems(plot.getFlag(TileDropFlag.class));
+        }
+    }
+
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onPlayerDyeSign(PlayerInteractEvent event) {
         ItemStack itemStack = event.getItem();
@@ -518,9 +598,9 @@ public class PlayerEventListener implements Listener {
                     // to is identical to the plot's home location, and untrusted-visit is true
                     // i.e. untrusted-visit can override deny-teleport
                     // this is acceptable, because otherwise it wouldn't make sense to have both flags set
-                    if (!result && !(plot.getFlag(UntrustedVisitFlag.class) && plot
-                            .getHomeSynchronous()
-                            .equals(BukkitUtil.adaptComplete(to)))) {
+                    if (result || (plot.getFlag(UntrustedVisitFlag.class) && plot.getHomeSynchronous().equals(BukkitUtil.adaptComplete(to)))) {
+                        plotListener.plotEntry(pp, plot);
+                    } else {
                         pp.sendMessage(
                                 TranslatableCaption.of("deny.no_enter"),
                                 TagResolver.resolver("plot", Tag.inserting(Component.text(plot.toString())))
@@ -533,6 +613,19 @@ public class PlayerEventListener implements Listener {
         playerMove(event);
     }
 
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void onWorldChanged(PlayerChangedWorldEvent event) {
+        Player player = event.getPlayer();
+        BukkitPlayer pp = BukkitUtil.adapt(player);
+        if (this.worldEdit != null) {
+            if (!pp.hasPermission(Permission.PERMISSION_WORLDEDIT_BYPASS)) {
+                if (pp.getAttribute("worldedit")) {
+                    pp.removeAttribute("worldedit");
+                }
+            }
+        }
+    }
+
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void vehicleMove(VehicleMoveEvent event)
             throws IllegalAccessException {
@@ -872,40 +965,6 @@ public class PlayerEventListener implements Listener {
         }
     }
 
-    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
-    public void onWorldChanged(PlayerChangedWorldEvent event) {
-        Player player = event.getPlayer();
-        BukkitPlayer pp = BukkitUtil.adapt(player);
-        // Delete last location
-        Plot plot;
-        try (final MetaDataAccess<Plot> lastPlotAccess =
-                     pp.accessTemporaryMetaData(PlayerMetaDataKeys.TEMPORARY_LAST_PLOT)) {
-            plot = lastPlotAccess.remove();
-        }
-        try (final MetaDataAccess<Location> lastLocationAccess =
-                     pp.accessTemporaryMetaData(PlayerMetaDataKeys.TEMPORARY_LOCATION)) {
-            lastLocationAccess.remove();
-        }
-        if (plot != null) {
-            plotListener.plotExit(pp, plot);
-        }
-        if (this.worldEdit != null) {
-            if (!pp.hasPermission(Permission.PERMISSION_WORLDEDIT_BYPASS)) {
-                if (pp.getAttribute("worldedit")) {
-                    pp.removeAttribute("worldedit");
-                }
-            }
-        }
-        Location location = pp.getLocation();
-        PlotArea area = location.getPlotArea();
-        if (location.isPlotArea()) {
-            plot = location.getPlot();
-            if (plot != null) {
-                plotListener.plotEntry(pp, plot);
-            }
-        }
-    }
-
     @SuppressWarnings("deprecation")
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onInventoryClick(InventoryClickEvent event) {
@@ -1193,7 +1252,7 @@ public class PlayerEventListener implements Listener {
                 eventType = PlayerBlockEventType.INTERACT_BLOCK;
                 blocktype1 = BukkitAdapter.asBlockType(block.getType());
 
-                if (blockType.isInteractable()) {
+                if (INTERACTABLE_MATERIALS != null ? INTERACTABLE_MATERIALS.contains(blockType.name()) : blockType.isInteractable()) {
                     if (!player.isSneaking()) {
                         break;
                     }
@@ -1921,7 +1980,9 @@ public class PlayerEventListener implements Listener {
 
     @EventHandler
     public void onPlayerTakeLecternBook(PlayerTakeLecternBookEvent event) {
-        Location location = BukkitUtil.adapt(event.getPlayer().getLocation());
+        Player player = event.getPlayer();
+        BukkitPlayer pp = BukkitUtil.adapt(player);
+        Location location = pp.getLocation();
         PlotArea area = location.getPlotArea();
         if (area == null) {
             return;
@@ -1933,9 +1994,11 @@ public class PlayerEventListener implements Listener {
             }
             return;
         }
-        if (plot.getFlag(LecternReadBookFlag.class)) {
-            plot.debug(event.getPlayer().getName() + " could not take the book because of lectern-read-book = true");
-            event.setCancelled(true);
+        if (!plot.isAdded(pp.getUUID())) {
+            if (plot.getFlag(LecternReadBookFlag.class)) {
+                plot.debug(event.getPlayer().getName() + " could not take the book because of lectern-read-book = true");
+                event.setCancelled(true);
+            }
         }
     }
 

Bukkit/src/main/java/com/plotsquared/bukkit/listener/SingleWorldListener.java

@@ -95,7 +95,8 @@ public class SingleWorldListener implements Listener {
 
     @EventHandler(priority = EventPriority.LOWEST)
     public void onChunkLoad(ChunkLoadEvent event) {
-        handle(event);
+        // disable this for now, should address https://github.com/IntellectualSites/PlotSquared/issues/4413
+        // handle(event);
     }
 
 }

Bukkit/src/main/java/com/plotsquared/bukkit/player/BukkitPlayer.java

@@ -326,7 +326,7 @@ public class BukkitPlayer extends PlotPlayer<Player> {
             return;
         }
         this.player.playSound(BukkitUtil.adapt(location), Sound.valueOf(BukkitAdapter.adapt(id).name()),
-                SoundCategory.MUSIC, 1f, 1f
+                SoundCategory.MUSIC, Float.MAX_VALUE, 1f
         );
     }
 

Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitWorld.java

@@ -23,11 +23,15 @@ import com.plotsquared.core.location.World;
 import org.bukkit.Bukkit;
 import org.checkerframework.checker.nullness.qual.NonNull;
 
+import java.lang.ref.SoftReference;
+import java.lang.ref.WeakReference;
 import java.util.Map;
 
 public class BukkitWorld implements World<org.bukkit.World> {
 
-    private static final Map<String, BukkitWorld> worldMap = Maps.newHashMap();
+    // Upon world unload we should probably have the P2 BukkitWorld be GCed relatively eagerly, thus freeing the bukkit world.
+    //  We also want to avoid circumstances where a bukkit world has been GCed, but a P2 BukkitWorld has not
+    private static final Map<String, WeakReference<BukkitWorld>> worldMap = Maps.newHashMap();
     private static final boolean HAS_MIN_Y;
 
     static {
@@ -41,10 +45,11 @@ public class BukkitWorld implements World<org.bukkit.World> {
         HAS_MIN_Y = temp;
     }
 
-    private final org.bukkit.World world;
+    // We want to allow GC to remove bukkit worlds, but not too eagerly
+    private final SoftReference<org.bukkit.World> world;
 
     private BukkitWorld(final org.bukkit.World world) {
-        this.world = world;
+        this.world = new SoftReference<>(world);
     }
 
     /**
@@ -68,12 +73,13 @@ public class BukkitWorld implements World<org.bukkit.World> {
      * @return World instance
      */
     public static @NonNull BukkitWorld of(final org.bukkit.World world) {
-        BukkitWorld bukkitWorld = worldMap.get(world.getName());
-        if (bukkitWorld != null && bukkitWorld.getPlatformWorld().equals(world)) {
+        WeakReference<BukkitWorld> bukkitWorldRef = worldMap.get(world.getName());
+        BukkitWorld bukkitWorld;
+        if (bukkitWorldRef != null && (bukkitWorld = bukkitWorldRef.get()) != null && world.equals(bukkitWorld.world.get())) {
             return bukkitWorld;
         }
         bukkitWorld = new BukkitWorld(world);
-        worldMap.put(world.getName(), bukkitWorld);
+        worldMap.put(world.getName(), new WeakReference<>(bukkitWorld));
         return bukkitWorld;
     }
 
@@ -97,22 +103,26 @@ public class BukkitWorld implements World<org.bukkit.World> {
 
     @Override
     public org.bukkit.World getPlatformWorld() {
-        return this.world;
+        org.bukkit.World world = this.world.get();
+        if (world == null) {
+            throw new IllegalStateException("Bukkit platform world was unloaded from memory");
+        }
+        return world;
     }
 
     @Override
     public @NonNull String getName() {
-        return this.world.getName();
+        return this.getPlatformWorld().getName();
     }
 
     @Override
     public int getMinHeight() {
-        return getMinWorldHeight(world);
+        return getMinWorldHeight(getPlatformWorld());
     }
 
     @Override
     public int getMaxHeight() {
-        return getMaxWorldHeight(world) - 1;
+        return getMaxWorldHeight(getPlatformWorld()) - 1;
     }
 
     @Override

Core/build.gradle.kts

@@ -71,12 +71,13 @@ tasks {
         opt.links("https://jd.advntr.dev/api/4.14.0/")
         opt.links("https://jd.advntr.dev/text-minimessage/4.14.0/")
         opt.links("https://google.github.io/guice/api-docs/" + libs.guice.get().versionConstraint.toString() + "/javadoc/")
-      //  opt.links("https://checkerframework.org/api/")
+        opt.links("https://checkerframework.org/api/")
         opt.isLinkSource = true
         opt.bottom(File("$rootDir/javadocfooter.html").readText())
         opt.isUse = true
         opt.encoding("UTF-8")
         opt.keyWords()
         opt.addStringOption("-since", isRelease)
+        opt.noTimestamp()
     }
 }

Core/src/main/java/com/plotsquared/core/PlotSquared.java

@@ -795,9 +795,8 @@ public class PlotSquared {
         if (world.equals("CheckingPlotSquaredGenerator")) {
             return;
         }
-        if (!this.getPlotAreaManager().addWorld(world)) {
-            return;
-        }
+        // Don't check the return result -> breaks runtime loading of single plot areas on creation
+        this.getPlotAreaManager().addWorld(world);
         Set<String> worlds;
         if (this.worldConfiguration.contains("worlds")) {
             worlds = this.worldConfiguration.getConfigurationSection("worlds").getKeys(false);

Core/src/main/java/com/plotsquared/core/command/Area.java

@@ -184,6 +184,7 @@ public class Area extends SubCommand {
                         CuboidRegion.makeCuboid(playerSelectedRegion)
                 ).length != 0) {
                     player.sendMessage(TranslatableCaption.of("single.single_area_overlapping"));
+                    return false;
                 }
                 // Alter the region
                 final BlockVector3 playerSelectionMin = playerSelectedRegion.getMinimumPoint();

Core/src/main/java/com/plotsquared/core/command/Kick.java

@@ -153,7 +153,7 @@ public class Kick extends SubCommand {
         if (plot == null) {
             return Collections.emptyList();
         }
-        return TabCompletions.completePlayersInPlot(plot, String.join(",", args).trim(),
+        return TabCompletions.completePlayersInPlot(player, plot, String.join(",", args).trim(),
                 Collections.singletonList(player.getName())
         );
     }

Core/src/main/java/com/plotsquared/core/command/Visit.java

@@ -77,6 +77,7 @@ public class Visit extends Command {
             query.whereBasePlot();
         }
 
+        // without specified argument
         if (page == Integer.MIN_VALUE) {
             page = 1;
         }
@@ -94,10 +95,15 @@ public class Visit extends Command {
 
         final List<Plot> plots = query.asList();
 
+        // Conversion of reversed page argument
+        if (page < 0) {
+            page = (plots.size() + 1) + page;
+        }
+
         if (plots.isEmpty()) {
             player.sendMessage(TranslatableCaption.of("invalid.found_no_plots"));
             return;
-        } else if (plots.size() < page || page < 1) {
+        } else if (page > plots.size() || page < 1) {
             player.sendMessage(
                     TranslatableCaption.of("invalid.number_not_in_range"),
                     TagResolver.builder()
@@ -188,34 +194,22 @@ public class Visit extends Command {
         int page = Integer.MIN_VALUE;
 
         switch (args.length) {
-            // /p v <user> <area> <page>
+            // /p v <player> <area> <page>
             case 3:
-                if (!MathMan.isInteger(args[2])) {
-                    player.sendMessage(
-                            TranslatableCaption.of("invalid.not_valid_number"),
-                            TagResolver.resolver("value", Tag.inserting(Component.text("(1, ∞)")))
-                    );
-                    player.sendMessage(
-                            TranslatableCaption.of("commandconfig.command_syntax"),
-                            TagResolver.resolver("value", Tag.inserting(Component.text(getUsage())))
-                    );
+                if (isInvalidPageNr(args[2])) {
+                    sendInvalidPageNrMsg(player);
                     return CompletableFuture.completedFuture(false);
                 }
-                page = Integer.parseInt(args[2]);
-                // /p v <name> <area> [page]
-                // /p v <name> [page]
+                page = getPageNr(args[2]);
+                // /p v <player> <area> [page]
+                // /p v <player> [page]
             case 2:
-                if (page != Integer.MIN_VALUE || !MathMan.isInteger(args[1])) {
+                // If "case 3" is already through or the argument is not a page number:
+                // -> /p v <player> <area> [page]
+                if (page != Integer.MIN_VALUE || isInvalidPageNr(args[1])) {
                     sortByArea = this.plotAreaManager.getPlotAreaByString(args[1]);
                     if (sortByArea == null) {
-                        player.sendMessage(
-                                TranslatableCaption.of("invalid.not_valid_number"),
-                                TagResolver.resolver("value", Tag.inserting(Component.text("(1, ∞)")))
-                        );
-                        player.sendMessage(
-                                TranslatableCaption.of("commandconfig.command_syntax"),
-                                TagResolver.resolver("value", Tag.inserting(Component.text(getUsage())))
-                        );
+                        sendInvalidPageNrMsg(player);
                         return CompletableFuture.completedFuture(false);
                     }
 
@@ -249,16 +243,13 @@ public class Visit extends Command {
                     });
                     break;
                 }
-                try {
-                    page = Integer.parseInt(args[1]);
-                } catch (NumberFormatException ignored) {
-                    player.sendMessage(
-                            TranslatableCaption.of("invalid.not_a_number"),
-                            TagResolver.resolver("value", Tag.inserting(Component.text(args[1])))
-                    );
+                // -> /p v <player> <page>
+                if (isInvalidPageNr(args[1])) {
+                    sendInvalidPageNrMsg(player);
                     return CompletableFuture.completedFuture(false);
                 }
-                // /p v <name> [page]
+                page = getPageNr(args[1]);
+                // /p v <player> [page]
                 // /p v <uuid> [page]
                 // /p v <plot> [page]
                 // /p v <alias>
@@ -326,6 +317,35 @@ public class Visit extends Command {
         return CompletableFuture.completedFuture(true);
     }
 
+    private boolean isInvalidPageNr(String arg) {
+        if (MathMan.isInteger(arg)) {
+            return false;
+        } else if (arg.equals("last") || arg.equals("n")) {
+            return false;
+        }
+        return true;
+    }
+
+    private int getPageNr(String arg) {
+        if (MathMan.isInteger(arg)) {
+            return Integer.parseInt(arg);
+        } else if (arg.equals("last") || arg.equals("n")) {
+            return -1;
+        }
+        return Integer.MIN_VALUE;
+    }
+
+    private void sendInvalidPageNrMsg(PlotPlayer<?> player) {
+        player.sendMessage(
+                TranslatableCaption.of("invalid.not_valid_number"),
+                TagResolver.resolver("value", Tag.inserting(Component.text("(1, ∞)")))
+        );
+        player.sendMessage(
+                TranslatableCaption.of("commandconfig.command_syntax"),
+                TagResolver.resolver("value", Tag.inserting(Component.text(getUsage())))
+        );
+    }
+
     @Override
     public Collection<Command> tab(PlotPlayer<?> player, String[] args, boolean space) {
         final List<Command> completions = new ArrayList<>();
@@ -334,6 +354,7 @@ public class Visit extends Command {
             case 1 -> {
                 completions.addAll(
                         TabCompletions.completeAreas(args[1]));
+                completions.addAll(TabCompletions.asCompletions("last"));
                 if (args[1].isEmpty()) {
                     // if no input is given, only suggest 1 - 3
                     completions.addAll(
@@ -344,6 +365,7 @@ public class Visit extends Command {
                         TabCompletions.completeNumbers(args[1], 10, 999));
             }
             case 2 -> {
+                completions.addAll(TabCompletions.asCompletions("last"));
                 if (args[2].isEmpty()) {
                     // if no input is given, only suggest 1 - 3
                     completions.addAll(

Core/src/main/java/com/plotsquared/core/configuration/Settings.java

@@ -43,6 +43,11 @@ public class Settings extends Config {
             "Leave it off if you don't need it, it can spam your console."})
     public static boolean DEBUG = true;
 
+    @Comment({"The activity of high-frequency event listener can be deactivated here to improve the server performance. ",
+            "Affected settings: 'redstone' settings here below. Affected flags: 'disable-physics', 'redstone'. ",
+            "Only deactivate this setting if you do not need any of the mentioned settings or flags."})
+    public static boolean HIGH_FREQUENCY_LISTENER = true;
+
     @Create // This value will be generated automatically
     public static ConfigBlock<Auto_Clear> AUTO_CLEAR = null;
     // A ConfigBlock is a section that can have multiple instances e.g. multiple expiry tasks

Core/src/main/java/com/plotsquared/core/configuration/Storage.java

@@ -46,7 +46,7 @@ public class Storage extends Config {
         public static String PASSWORD = "password";
         public static String DATABASE = "plot_db";
 
-        @Comment("Set additional properties: https://goo.gl/wngtN8")
+        @Comment("Set additional properties: https://dev.mysql.com/doc/connector-j/en/connector-j-reference-configuration-properties.html")
         public static List<String>
                 PROPERTIES = new ArrayList<>(Collections.singletonList("useSSL=false"));
 

Core/src/main/java/com/plotsquared/core/events/PlayerEnterPlotEvent.java

@@ -24,7 +24,7 @@ import com.plotsquared.core.plot.Plot;
 public class PlayerEnterPlotEvent extends PlotPlayerEvent {
 
     /**
-     * Called when a player leaves a plot.
+     * PlayerEnterPlotEvent: Called when a player enters a plot
      *
      * @param player Player that entered the plot
      * @param plot   Plot that was entered

Core/src/main/java/com/plotsquared/core/listener/PlotListener.java

@@ -106,6 +106,10 @@ public class PlotListener {
                             iterator.remove();
                             continue;
                         }
+                        // Don't attempt to heal dead players - they will get stuck in the abyss (#4406)
+                        if (PlotSquared.platform().worldUtil().getHealth(player) <= 0) {
+                            continue;
+                        }
                         double level = PlotSquared.platform().worldUtil().getHealth(player);
                         if (level != value.max) {
                             PlotSquared.platform().worldUtil().setHealth(player, Math.min(level + value.amount, value.max));

Core/src/main/java/com/plotsquared/core/plot/Plot.java

@@ -643,35 +643,22 @@ public class Plot {
     }
 
     /**
-     * Gets a immutable set of owner UUIDs for a plot (supports multi-owner mega-plots).
+     * Gets an immutable set of owner UUIDs for a plot (supports multi-owner mega-plots).
      * <p>
      * This method cannot be used to add or remove owners from a plot.
      * </p>
      *
-     * @return Immutable view of plot owners
+     * @return Immutable set of plot owners
      */
     public @NonNull Set<UUID> getOwners() {
-        if (this.getOwner() == null) {
-            return ImmutableSet.of();
-        }
-        if (isMerged()) {
-            Set<Plot> plots = getConnectedPlots();
-            Plot[] array = plots.toArray(new Plot[0]);
-            ImmutableSet.Builder<UUID> owners = ImmutableSet.builder();
-            UUID last = this.getOwner();
-            owners.add(this.getOwner());
-            for (final Plot current : array) {
-                if (current.getOwner() == null) {
-                    continue;
-                }
-                if (last == null || current.getOwner().getMostSignificantBits() != last.getMostSignificantBits()) {
-                    owners.add(current.getOwner());
-                    last = current.getOwner();
-                }
+        ImmutableSet.Builder<UUID> owners = ImmutableSet.builder();
+        for (Plot plot : getConnectedPlots()) {
+            UUID owner = plot.getOwner();
+            if (owner != null) {
+                owners.add(owner);
             }
-            return owners.build();
         }
-        return ImmutableSet.of(this.getOwner());
+        return owners.build();
     }
 
     /**
@@ -2195,6 +2182,9 @@ public class Plot {
      * @return if the given player can claim the plot
      */
     public boolean canClaim(@NonNull PlotPlayer<?> player) {
+        if (!WorldUtil.isValidLocation(getBottomAbs())) {
+            return false;
+        }
         PlotCluster cluster = this.getCluster();
         if (cluster != null) {
             if (!cluster.isAdded(player.getUUID()) && !player.hasPermission("plots.admin.command.claim")) {
@@ -2574,7 +2564,7 @@ public class Plot {
      */
     public void teleportPlayer(final PlotPlayer<?> player, TeleportCause cause, Consumer<Boolean> resultConsumer) {
         Plot plot = this.getBasePlot(false);
-        if (!WorldUtil.isValidLocation(plot.getBottomAbs())) {
+        if ((getArea() == null || !(getArea() instanceof SinglePlotArea)) && !WorldUtil.isValidLocation(plot.getBottomAbs())) {
             // prevent from teleporting into unsafe regions
             player.sendMessage(TranslatableCaption.of("border.denied"));
             resultConsumer.accept(false);

Core/src/main/java/com/plotsquared/core/plot/PlotArea.java

@@ -679,10 +679,8 @@ public abstract class PlotArea implements ComponentLike {
                     TranslatableCaption.of("height.height_limit"),
                     TagResolver.builder()
                             .tag("minheight", Tag.inserting(Component.text(minBuildHeight)))
-                            .tag(
-                                    "maxheight",
-                                    Tag.inserting(Component.text(maxBuildHeight))
-                            ).build()
+                            .tag("maxheight", Tag.inserting(Component.text(maxBuildHeight)))
+                            .build()
             );
             // Return true if "failed" as the method will always be inverted otherwise
             return true;

Core/src/main/java/com/plotsquared/core/plot/flag/GlobalFlagContainer.java

@@ -102,6 +102,7 @@ import com.plotsquared.core.plot.flag.implementations.SnowMeltFlag;
 import com.plotsquared.core.plot.flag.implementations.SoilDryFlag;
 import com.plotsquared.core.plot.flag.implementations.TamedAttackFlag;
 import com.plotsquared.core.plot.flag.implementations.TamedInteractFlag;
+import com.plotsquared.core.plot.flag.implementations.TileDropFlag;
 import com.plotsquared.core.plot.flag.implementations.TimeFlag;
 import com.plotsquared.core.plot.flag.implementations.TitlesFlag;
 import com.plotsquared.core.plot.flag.implementations.UntrustedVisitFlag;
@@ -198,6 +199,7 @@ public final class GlobalFlagContainer extends FlagContainer {
         this.addFlag(SoilDryFlag.SOIL_DRY_FALSE);
         this.addFlag(TamedAttackFlag.TAMED_ATTACK_FALSE);
         this.addFlag(TamedInteractFlag.TAMED_INTERACT_FALSE);
+        this.addFlag(TileDropFlag.TILE_DROP_TRUE);
         this.addFlag(UntrustedVisitFlag.UNTRUSTED_VISIT_FLAG_TRUE);
         this.addFlag(VehicleBreakFlag.VEHICLE_BREAK_FALSE);
         this.addFlag(VehiclePlaceFlag.VEHICLE_PLACE_FALSE);

Core/src/main/java/com/plotsquared/core/plot/flag/implementations/TileDropFlag.java

@@ -0,0 +1,43 @@
+/*
+ * PlotSquared, a land and world management plugin for Minecraft.
+ * Copyright (C) IntellectualSites <https://intellectualsites.com>
+ * Copyright (C) IntellectualSites team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.plotsquared.core.plot.flag.implementations;
+
+import com.plotsquared.core.configuration.caption.TranslatableCaption;
+import com.plotsquared.core.plot.flag.types.BooleanFlag;
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+/**
+ * @since 7.3.7
+ */
+
+public class TileDropFlag extends BooleanFlag<TileDropFlag> {
+
+    public static final TileDropFlag TILE_DROP_TRUE = new TileDropFlag(true);
+    public static final TileDropFlag TILE_DROP_FALSE = new TileDropFlag(false);
+
+    private TileDropFlag(boolean value) {
+        super(value, TranslatableCaption.of("flags.flag_description_tile_drop"));
+    }
+
+    @Override
+    protected TileDropFlag flagOf(@NonNull Boolean value) {
+        return value ? TILE_DROP_TRUE : TILE_DROP_FALSE;
+    }
+
+}

Core/src/main/java/com/plotsquared/core/plot/world/SinglePlotManager.java

@@ -37,7 +37,7 @@ import java.util.List;
 
 public class SinglePlotManager extends PlotManager {
 
-    private static final int MAX_COORDINATE = 30000000;
+    private static final int MAX_COORDINATE = 20000000;
 
     public SinglePlotManager(final @NonNull PlotArea plotArea) {
         super(plotArea);

Core/src/main/java/com/plotsquared/core/util/BlockUtil.java

@@ -31,6 +31,8 @@ import com.sk89q.worldedit.world.registry.LegacyMapper;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
+import java.util.List;
+
 /**
  * {@link BlockState} related utility methods
  */
@@ -43,7 +45,8 @@ public final class BlockUtil {
         PARSER_CONTEXT.setRestricted(false);
         PARSER_CONTEXT.setPreferringWildcard(false);
         PARSER_CONTEXT.setTryLegacy(true);
-        PARSER = WorldEdit.getInstance().getBlockFactory().getParsers().get(0);
+        List<InputParser<BaseBlock>> parsers = WorldEdit.getInstance().getBlockFactory().getParsers();
+        PARSER = parsers.get(parsers.size() - 1); // Default parser is always at the end
     }
 
     private BlockUtil() {

Core/src/main/java/com/plotsquared/core/util/TabCompletions.java

@@ -107,6 +107,7 @@ public final class TabCompletions {
     }
 
     public static @NonNull List<Command> completePlayersInPlot(
+            final @NonNull PlotPlayer<?> issuer,
             final @NonNull Plot plot,
             final @NonNull String input, final @NonNull List<String> existing
     ) {
@@ -115,7 +116,9 @@ public final class TabCompletions {
             final List<PlotPlayer<?>> inPlot = plot.getPlayersInPlot();
             players = new ArrayList<>(inPlot.size());
             for (PlotPlayer<?> player : inPlot) {
-                players.add(player.getName());
+                if (issuer.canSee(player)) {
+                    players.add(player.getName());
+                }
             }
             cachedCompletionValues.put("inPlot" + plot, players);
         }

Core/src/main/java/com/plotsquared/core/util/placeholders/PlaceholderRegistry.java

@@ -27,6 +27,8 @@ import com.plotsquared.core.PlotSquared;
 import com.plotsquared.core.configuration.Settings;
 import com.plotsquared.core.configuration.caption.LocaleHolder;
 import com.plotsquared.core.configuration.caption.TranslatableCaption;
+import com.plotsquared.core.player.MetaDataAccess;
+import com.plotsquared.core.player.PlayerMetaDataKeys;
 import com.plotsquared.core.player.PlotPlayer;
 import com.plotsquared.core.plot.Plot;
 import com.plotsquared.core.plot.flag.GlobalFlagContainer;
@@ -197,6 +199,11 @@ public final class PlaceholderRegistry {
         });
         this.createPlaceholder("currentplot_biome", (player, plot) -> plot.getBiomeSynchronous().toString());
         this.createPlaceholder("currentplot_size", (player, plot) -> String.valueOf(plot.getConnectedPlots().size()));
+        this.createPlaceholder("total_grants", player -> {
+            try (final MetaDataAccess<Integer> metaDataAccess = player.accessPersistentMetaData(PlayerMetaDataKeys.PERSISTENT_GRANTED_PLOTS)) {
+                return Integer.toString(metaDataAccess.get().orElse(0));
+            }
+        });
     }
 
     /**

Core/src/main/resources/lang/messages_en.json

@@ -606,6 +606,7 @@
   "flags.flag_description_tamed_attack": "<gray>Set to `true` to allow guests to attack tamed animals in the plot.</gray>",
   "flags.flag_description_tamed_interact": "<gray>Set to `true` to allow guests to interact with tamed animals in the plot.</gray>",
   "flags.flag_description_time": "<gray>Set the time in the plot to a fixed value.</gray>",
+  "flags.flag_description_tile_drop": "<gray>Set to `false` to prevent blocks from dropping items in the plot.</gray>",
   "flags.flag_description_titles": "<gray>Set to `false` to disable plot titles. Can be set to: `none` (to inherit world settings), `true`, or `false`</gray>",
   "flags.flag_description_title": "<gray>Set the pop-up title's title and subtitle. Format: /plot flag set title \"A title\" \"The subtitle\"</gray>",
   "flags.flag_description_use": "<gray>Define a list of materials players should be able to interact with in the plot.</gray>",

build.gradle.kts

@@ -22,7 +22,7 @@ plugins {
 }
 
 group = "com.intellectualsites.plotsquared"
-version = "7.3.7-SNAPSHOT"
+version = "7.3.11-SNAPSHOT"
 
 if (!File("$rootDir/.git").exists()) {
     logger.lifecycle("""
@@ -79,13 +79,13 @@ subprojects {
 
     dependencies {
         // Tests
-        testImplementation("org.junit.jupiter:junit-jupiter:5.10.2")
-        testRuntimeOnly("org.junit.platform:junit-platform-launcher:1.10.2")
+        testImplementation("org.junit.jupiter:junit-jupiter:5.11.0")
+        testRuntimeOnly("org.junit.platform:junit-platform-launcher:1.11.0")
     }
 
     plugins.withId("java") {
         the<JavaPluginExtension>().toolchain {
-            languageVersion.set(JavaLanguageVersion.of(17))
+            languageVersion.set(JavaLanguageVersion.of(21))
         }
     }
 
@@ -94,7 +94,7 @@ subprojects {
     }
 
     configurations.all {
-        attributes.attribute(TargetJvmVersion.TARGET_JVM_VERSION_ATTRIBUTE, 17)
+        attributes.attribute(TargetJvmVersion.TARGET_JVM_VERSION_ATTRIBUTE, 21)
     }
 
     spotless {
@@ -118,7 +118,7 @@ subprojects {
     }
 
     signing {
-        if (!version.toString().endsWith("-SNAPSHOT")) {
+        if (!project.hasProperty("skip.signing") && !version.toString().endsWith("-SNAPSHOT")) {
             val signingKey: String? by project
             val signingPassword: String? by project
             useInMemoryPgpKeys(signingKey, signingPassword)
@@ -209,6 +209,11 @@ subprojects {
         test {
             useJUnitPlatform()
         }
+
+        withType<AbstractArchiveTask>().configureEach {
+            isPreserveFileTimestamps = false
+            isReproducibleFileOrder = true
+        }
     }
 }
 
@@ -225,7 +230,7 @@ tasks.getByName<Jar>("jar") {
     enabled = false
 }
 
-val supportedVersions = listOf("1.18.2", "1.19.4", "1.20.1", "1.20.4")
+val supportedVersions = listOf("1.18.2", "1.19.4", "1.20.6", "1.21.1")
 tasks {
     register("cacheLatestFaweArtifact") {
         val lastSuccessfulBuildUrl = uri("https://ci.athion.net/job/FastAsyncWorldEdit/lastSuccessfulBuild/api/json").toURL()

gradle/libs.versions.toml

@@ -1,20 +1,20 @@
 [versions]
 # Platform expectations
-paper = "1.20.2-R0.1-SNAPSHOT"
+paper = "1.20.4-R0.1-SNAPSHOT"
 guice = "7.0.0"
-spotbugs = "4.8.3"
-checkerqual = "3.42.0"
+spotbugs = "4.8.6"
+checkerqual = "3.46.0"
 gson = "2.10"
 guava = "31.1-jre"
 snakeyaml = "2.0"
-adventure = "4.16.0"
-adventure-bukkit = "4.3.2"
+adventure = "4.17.0"
+adventure-bukkit = "4.3.4"
 log4j = "2.19.0"
 
 # Plugins
 worldedit = "7.2.20"
-fawe = "2.9.1"
-placeholderapi = "2.11.5"
+fawe = "2.11.0"
+placeholderapi = "2.11.6"
 luckperms = "5.4"
 essentialsx = "2.20.1"
 mvdwapi = "3.1.1"
@@ -23,21 +23,21 @@ mvdwapi = "3.1.1"
 prtree = "2.0.1"
 aopalliance = "1.0"
 cloud-services = "1.8.4"
-arkitektonika = "2.1.2"
+arkitektonika = "2.1.3"
 squirrelid = "0.3.2"
-paster = "1.1.5"
-bstats = "3.0.2"
+paster = "1.1.6"
+bstats = "3.0.3"
 paperlib = "1.0.8"
-informative-annotations = "1.4"
+informative-annotations = "1.5"
 vault = "1.7.1"
-serverlib = "2.3.4"
+serverlib = "2.3.6"
 
 # Gradle plugins
-shadow = "8.1.1"
+shadow = "8.3.0"
 grgit = "4.1.1"
 spotless = "6.25.0"
-nexus = "1.3.0"
-runPaper = "2.2.3"
+nexus = "2.0.0"
+runPaper = "2.3.1"
 
 [libraries]
 # Platform expectations
@@ -71,7 +71,6 @@ mvdwapi = { group = "com.intellectualsites.mvdwplaceholderapi", name = "MVdWPlac
 squirrelid = { group = "org.enginehub", name = "squirrelid", version.ref = "squirrelid" }
 arkitektonika = { group = "com.intellectualsites.arkitektonika", name = "Arkitektonika-Client", version.ref = "arkitektonika" }
 paster = { group = "com.intellectualsites.paster", name = "Paster", version.ref = "paster" }
-bstatsBase = { group = "org.bstats", name = "bstats-base", version.ref = "bstats" }
 bstatsBukkit = { group = "org.bstats", name = "bstats-bukkit", version.ref = "bstats" }
 informativeAnnotations = { group = "com.intellectualsites.informative-annotations", name = "informative-annotations", version.ref = "informative-annotations" }
 paperlib = { group = "io.papermc", name = "paperlib", version.ref = "paperlib" }
@@ -79,7 +78,7 @@ vault = { group = "com.github.MilkBowl", name = "VaultAPI", version.ref = "vault
 serverlib = { group = "dev.notmyfault.serverlib", name = "ServerLib", version.ref = "serverlib" }
 
 [plugins]
-shadow = { id = "com.github.johnrengelman.shadow", version.ref = "shadow" }
+shadow = { id = "com.gradleup.shadow", version.ref = "shadow" }
 grgit = { id = "org.ajoberstar.grgit", version.ref = "grgit" }
 spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }
 nexus = { id = "io.github.gradle-nexus.publish-plugin", version.ref = "nexus" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -84,7 +86,8 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum

gradlew.bat

@@ -13,6 +13,8 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
 @if "%DEBUG%"=="" @echo off
 @rem ##########################################################################

javadocfooter.html

@@ -1,4 +1,4 @@
 Javadocs generated for
 <a href="https://github.com/IntellectualSites/PlotSquared/" rel="noopener nofollow noreferrer" target="_blank"> PlotSquared</a> |
 <a href="https://intellectualsites.gitbook.io/plotsquared/" rel="noopener nofollow noreferrer"> Documentation </a> |
-Visit us on our <a href="https://discord.gg/intellectualsites" rel="noopener nofollow noreferrer"> Discord server</a> :)
+&nbsp;Visit us on our <a href="https://discord.gg/intellectualsites" rel="noopener nofollow noreferrer"> Discord server</a> :)