diff --git a/build.gradle b/build.gradle
index 88f7a3b94..1d1e26ea0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,6 +33,7 @@ plugins {
     id "io.github.goooler.shadow" version "8.1.7"
     id "de.undercouch.download" version "5.0.1"
     id "xyz.jpenilla.run-paper" version "2.3.1"
+    id "io.sentry.jvm.gradle" version "5.7.0"
 }
 
 
@@ -113,6 +114,7 @@ shadowJar {
     relocate 'io.papermc.lib', 'com.volmit.iris.util.paper'
     relocate 'net.kyori', 'com.volmit.iris.util.kyori'
     relocate 'org.bstats', 'com.volmit.util.metrics'
+    relocate "io.sentry", "com.volmit.iris.util.sentry"
     archiveFileName.set("Iris-${project.version}.jar")
 
     dependencies {
@@ -132,6 +134,7 @@ configurations.configureEach {
 
 allprojects {
     apply plugin: 'java'
+    apply plugin: 'io.sentry.jvm.gradle'
 
     repositories {
         mavenCentral()
@@ -203,6 +206,16 @@ allprojects {
         archiveClassifier.set('javadoc')
         from javadoc.destinationDir
     }
+
+    sentry {
+        includeSourceContext = true
+
+        org = "volmit-software"
+        projectName = "iris"
+        authToken = hasProperty("sentry.auth.token") ?
+                property("sentry.auth.token") :
+                System.getenv("SENTRY_AUTH_TOKEN")
+    }
 }
 
 if (JavaVersion.current().toString() != "21") {
@@ -279,3 +292,39 @@ def registerCustomOutputTaskUnix(name, path) {
 }
 
 tasks.build.dependsOn(shadowJar)
+
+def cli = file("sentry-cli.exe")
+tasks.register("downloadCli", Download) {
+    group = "sentry"
+    src "https://release-registry.services.sentry.io/apps/sentry-cli/latest?response=download&arch=x86_64&platform=${System.getProperty("os.name")}&package=sentry-cli"
+    dest cli
+
+    doLast {
+        cli.setExecutable(true)
+    }
+}
+
+tasks.register("release") {
+    group = "sentry"
+    dependsOn("downloadCli")
+    doLast {
+        def authToken = project.hasProperty("sentry.auth.token") ?
+                project.property("sentry.auth.token") :
+                System.getenv("SENTRY_AUTH_TOKEN")
+        def org = "volmit-software"
+        def projectName = "iris"
+        exec {
+            executable(cli)
+            args("releases", "new", "--auth-token", authToken, "-o", org, "-p", projectName, version)
+        }
+        exec {
+            executable(cli)
+            args("releases", "set-commits", "--auth-token", authToken, "-o", org, "-p", projectName, version, "--auto")
+        }
+        exec {
+            executable(cli)
+            args("releases", "finalize", "--auth-token", authToken, "-o", org, "-p", projectName, version)
+        }
+        cli.delete()
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/java/com/volmit/iris/Iris.java b/core/src/main/java/com/volmit/iris/Iris.java
index 5bf32b68f..43384f127 100644
--- a/core/src/main/java/com/volmit/iris/Iris.java
+++ b/core/src/main/java/com/volmit/iris/Iris.java
@@ -32,7 +32,6 @@ import com.volmit.iris.core.nms.v1X.NMSBinding1X;
 import com.volmit.iris.core.pregenerator.LazyPregenerator;
 import com.volmit.iris.core.service.StudioSVC;
 import com.volmit.iris.core.tools.IrisToolbelt;
-import com.volmit.iris.core.tools.IrisWorldCreator;
 import com.volmit.iris.engine.EnginePanic;
 import com.volmit.iris.engine.object.IrisCompat;
 import com.volmit.iris.engine.object.IrisContextInjector;
@@ -64,7 +63,10 @@ import com.volmit.iris.util.reflect.ShadeFix;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.Queue;
 import com.volmit.iris.util.scheduling.ShurikenQueue;
+import com.volmit.iris.util.sentry.Attachments;
+import com.volmit.iris.util.sentry.IrisLogger;
 import io.papermc.lib.PaperLib;
+import io.sentry.Sentry;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
 import net.kyori.adventure.text.serializer.ComponentSerializer;
 import org.bstats.bukkit.Metrics;
@@ -392,6 +394,7 @@ public class Iris extends VolmitPlugin implements Listener {
     }
 
     public static void reportError(Throwable e) {
+        Sentry.captureException(e);
         if (IrisSettings.get().getGeneral().isDebug()) {
             String n = e.getClass().getCanonicalName() + "-" + e.getStackTrace()[0].getClassName() + "-" + e.getStackTrace()[0].getLineNumber();
 
@@ -456,6 +459,7 @@ public class Iris extends VolmitPlugin implements Listener {
         instance = this;
         services = new KMap<>();
         setupAudience();
+        setupSentry();
         initialize("com.volmit.iris.core.service").forEach((i) -> services.put((Class<? extends IrisService>) i.getClass(), (IrisService) i));
         INMS.get();
         IO.delete(new File("iris"));
@@ -527,6 +531,7 @@ public class Iris extends VolmitPlugin implements Listener {
             }
         } catch (Throwable e) {
             e.printStackTrace();
+            reportError(e);
         }
     }
 
@@ -544,7 +549,7 @@ public class Iris extends VolmitPlugin implements Listener {
                     });
                 });
             } catch (IrisException e) {
-                e.printStackTrace();
+                reportError(e);
             }
         }
     }
@@ -940,4 +945,33 @@ public class Iris extends VolmitPlugin implements Listener {
             return -1;
         }
     }
+
+    private static void setupSentry() {
+        var settings = IrisSettings.get().getSentry();
+        if (settings.disableAutoReporting || Sentry.isEnabled()) return;
+        Iris.info("Enabling Sentry for anonymous error reporting. You can disable this in the settings.");
+        Sentry.init(options -> {
+            options.setDsn("https://b16ecc222e9c1e0c48faecacb906fd89@o4509451052646400.ingest.de.sentry.io/4509452722765904");
+            if (settings.debug) {
+                options.setLogger(new IrisLogger());
+                options.setDebug(true);
+            }
+
+            options.setAttachServerName(false);
+            options.setEnableUncaughtExceptionHandler(false);
+            options.setRelease(Iris.instance.getDescription().getVersion());
+            options.setBeforeSend((event, hint) -> {
+                event.setTag("iris.safeguard", IrisSafeguard.mode());
+                event.setTag("iris.nms", INMS.get().getClass().getCanonicalName());
+                return event;
+            });
+        });
+        Sentry.configureScope(scope -> {
+            scope.addAttachment(Attachments.PLUGINS);
+            scope.setTag("server", Bukkit.getVersion());
+            scope.setTag("server.type", Bukkit.getName());
+            scope.setTag("server.api", Bukkit.getBukkitVersion());
+        });
+        Runtime.getRuntime().addShutdownHook(new Thread(Sentry::close));
+    }
 }
diff --git a/core/src/main/java/com/volmit/iris/core/IrisSettings.java b/core/src/main/java/com/volmit/iris/core/IrisSettings.java
index b7e5bae20..20c0fa265 100644
--- a/core/src/main/java/com/volmit/iris/core/IrisSettings.java
+++ b/core/src/main/java/com/volmit/iris/core/IrisSettings.java
@@ -46,6 +46,7 @@ public class IrisSettings {
     private IrisSettingsPerformance performance = new IrisSettingsPerformance();
     private IrisSettingsUpdater updater = new IrisSettingsUpdater();
     private IrisSettingsPregen pregen = new IrisSettingsPregen();
+    private IrisSettingsSentry sentry = new IrisSettingsSentry();
 
     public static int getThreadCount(int c) {
         return switch (c) {
@@ -222,6 +223,12 @@ public class IrisSettings {
         }
     }
 
+    @Data
+    public static class IrisSettingsSentry {
+        public boolean disableAutoReporting = false;
+        public boolean debug = false;
+    }
+
     @Data
     public static class IrisSettingsGUI {
         public boolean useServerLaunchedGuis = true;
diff --git a/core/src/main/java/com/volmit/iris/core/commands/CommandDeveloper.java b/core/src/main/java/com/volmit/iris/core/commands/CommandDeveloper.java
index 5d6090b00..29d4fd80f 100644
--- a/core/src/main/java/com/volmit/iris/core/commands/CommandDeveloper.java
+++ b/core/src/main/java/com/volmit/iris/core/commands/CommandDeveloper.java
@@ -71,6 +71,11 @@ public class CommandDeveloper implements DecreeExecutor {
                 .engineStatus(sender());
     }
 
+    @Decree(description = "Send a test exception to sentry")
+    public void Sentry() {
+        Iris.reportError(new Exception("This is a test"));
+    }
+
     @Decree(description = "Test")
     public void dumpThreads() {
         try {
diff --git a/core/src/main/java/com/volmit/iris/core/link/WorldEditLink.java b/core/src/main/java/com/volmit/iris/core/link/WorldEditLink.java
index 42e335a10..638c66cc2 100644
--- a/core/src/main/java/com/volmit/iris/core/link/WorldEditLink.java
+++ b/core/src/main/java/com/volmit/iris/core/link/WorldEditLink.java
@@ -47,6 +47,7 @@ public class WorldEditLink {
         } catch (Throwable e) {
             Iris.error("Could not get selection");
             e.printStackTrace();
+            Iris.reportError(e);
             active.reset();
             active.aquire(() -> false);
         }
diff --git a/core/src/main/java/com/volmit/iris/core/loader/IrisData.java b/core/src/main/java/com/volmit/iris/core/loader/IrisData.java
index e51c93176..a272be0d7 100644
--- a/core/src/main/java/com/volmit/iris/core/loader/IrisData.java
+++ b/core/src/main/java/com/volmit/iris/core/loader/IrisData.java
@@ -300,6 +300,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
 
             return r;
         } catch (Throwable e) {
+            Iris.reportError(e);
             e.printStackTrace();
             Iris.error("Failed to create loader! " + registrant.getCanonicalName());
         }
diff --git a/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java b/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
index 9f9bde99e..572ce98d4 100644
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
@@ -109,6 +109,7 @@ public class ChunkUpdater {
                         }
                     }
                 } catch (Exception e) {
+                    Iris.reportError(e);
                     e.printStackTrace();
                 }
             }, 0, 3, TimeUnit.SECONDS);
@@ -314,6 +315,7 @@ public class ChunkUpdater {
                 world.save();
             }).get();
         } catch (Throwable e) {
+            Iris.reportError(e);
             e.printStackTrace();
         }
     }
diff --git a/core/src/main/java/com/volmit/iris/core/pregenerator/IrisPregenerator.java b/core/src/main/java/com/volmit/iris/core/pregenerator/IrisPregenerator.java
index 3201bebf4..dbd734a56 100644
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/IrisPregenerator.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/IrisPregenerator.java
@@ -66,8 +66,10 @@ public class IrisPregenerator {
     private final KSet<Position2> net;
     private final ChronoLatch cl;
     private final ChronoLatch saveLatch = new ChronoLatch(30000);
+    private final IrisPackBenchmarking benchmarking;
 
     public IrisPregenerator(PregenTask task, PregeneratorMethod generator, PregenListener listener) {
+        benchmarking = IrisPackBenchmarking.getInstance();
         this.listener = listenify(listener);
         cl = new ChronoLatch(5000);
         generatedRegions = new KSet<>();
@@ -135,7 +137,7 @@ public class IrisPregenerator {
                     double percentage = ((double) generated.get() / (double) totalChunks.get()) * 100;
 
                     Iris.info("%s: %s of %s (%.0f%%), %s/s ETA: %s",
-                            IrisPackBenchmarking.benchmarkInProgress ? "Benchmarking" : "Pregen",
+                            benchmarking != null ? "Benchmarking" : "Pregen",
                             Form.f(generated.get()),
                             Form.f(totalChunks.get()),
                             percentage,
@@ -174,10 +176,10 @@ public class IrisPregenerator {
         task.iterateRegions((x, z) -> visitRegion(x, z, false));
         Iris.info("Pregen took " + Form.duration((long) p.getMilliseconds()));
         shutdown();
-        if (!IrisPackBenchmarking.benchmarkInProgress) {
+        if (benchmarking == null) {
             Iris.info(C.IRIS + "Pregen stopped.");
         } else {
-            IrisPackBenchmarking.instance.finishedBenchmark(chunksPerSecondHistory);
+            benchmarking.finishedBenchmark(chunksPerSecondHistory);
         }
     }
 
diff --git a/core/src/main/java/com/volmit/iris/core/pregenerator/cache/PregenCacheImpl.java b/core/src/main/java/com/volmit/iris/core/pregenerator/cache/PregenCacheImpl.java
index bf48e06e9..b9a3de943 100644
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/cache/PregenCacheImpl.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/cache/PregenCacheImpl.java
@@ -7,6 +7,7 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.util.data.Varint;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.documentation.RegionCoordinates;
+import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.parallel.HyperLock;
 import lombok.RequiredArgsConstructor;
 import net.jpountz.lz4.LZ4BlockInputStream;
@@ -70,6 +71,7 @@ class PregenCacheImpl implements PregenCache {
                 return new Plate(key, in);
             } catch (IOException e){
                 Iris.error("Failed to read pregen cache " + file);
+                Iris.reportError(e);
                 e.printStackTrace();
                 return new Plate(key);
             }
@@ -82,10 +84,11 @@ class PregenCacheImpl implements PregenCache {
         hyperLock.lock(plate.pos.x, plate.pos.z);
         try {
             File file = fileForPlate(plate.pos);
-            try (var out = new DataOutputStream(new LZ4BlockOutputStream(new FileOutputStream(file)))) {
-                plate.write(out);
+            try {
+                IO.write(file, out -> new DataOutputStream(new LZ4BlockOutputStream(out)), plate::write);
             } catch (IOException e) {
                 Iris.error("Failed to write pregen cache " + file);
+                Iris.reportError(e);
                 e.printStackTrace();
             }
         } finally {
diff --git a/core/src/main/java/com/volmit/iris/core/pregenerator/methods/AsyncPregenMethod.java b/core/src/main/java/com/volmit/iris/core/pregenerator/methods/AsyncPregenMethod.java
index 757dfcf8f..0dcfffcfc 100644
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/methods/AsyncPregenMethod.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/methods/AsyncPregenMethod.java
@@ -157,7 +157,10 @@ public class AsyncPregenMethod implements PregeneratorMethod {
             } catch (Throwable e) {
                 Iris.warn("Failed to increase worker threads, if you are on paper or a fork of it please increase it manually to " + adjusted);
                 Iris.warn("For more information see https://docs.papermc.io/paper/reference/global-configuration#chunk_system_worker_threads");
-                if (e instanceof InvocationTargetException) e.printStackTrace();
+                if (e instanceof InvocationTargetException) {
+                    Iris.reportError(e);
+                    e.printStackTrace();
+                }
             }
             return 0;
         });
@@ -173,6 +176,7 @@ public class AsyncPregenMethod implements PregeneratorMethod {
                 method.invoke(pool, i);
                 return 0;
             } catch (Throwable e) {
+                Iris.reportError(e);
                 Iris.error("Failed to reset worker threads");
                 e.printStackTrace();
             }
@@ -201,6 +205,7 @@ public class AsyncPregenMethod implements PregeneratorMethod {
                     }).get();
                 } catch (InterruptedException ignored) {
                 } catch (Throwable e) {
+                    Iris.reportError(e);
                     e.printStackTrace();
                 } finally {
                     semaphore.release();
@@ -219,6 +224,7 @@ public class AsyncPregenMethod implements PregeneratorMethod {
         public void generate(int x, int z, PregenListener listener) {
             PaperLib.getChunkAtAsync(world, x, z, true, urgent)
                     .exceptionally(e -> {
+                        Iris.reportError(e);
                         e.printStackTrace();
                         return null;
                     })
diff --git a/core/src/main/java/com/volmit/iris/core/safeguard/IrisSafeguard.java b/core/src/main/java/com/volmit/iris/core/safeguard/IrisSafeguard.java
index 5217be9f2..2c9eb9be1 100644
--- a/core/src/main/java/com/volmit/iris/core/safeguard/IrisSafeguard.java
+++ b/core/src/main/java/com/volmit/iris/core/safeguard/IrisSafeguard.java
@@ -20,5 +20,15 @@ public class IrisSafeguard {
         Iris.instance.splash();
         UtilsSFG.splash();
     }
+
+    public static String mode() {
+        if (unstablemode) {
+            return "unstable";
+        } else if (warningmode) {
+            return "warning";
+        } else {
+            return "stable";
+        }
+    }
 }
 
diff --git a/core/src/main/java/com/volmit/iris/core/service/GlobalCacheSVC.java b/core/src/main/java/com/volmit/iris/core/service/GlobalCacheSVC.java
index 32d6af184..e8c194974 100644
--- a/core/src/main/java/com/volmit/iris/core/service/GlobalCacheSVC.java
+++ b/core/src/main/java/com/volmit/iris/core/service/GlobalCacheSVC.java
@@ -23,9 +23,11 @@ public class GlobalCacheSVC implements IrisService {
     private static final Cache<String, PregenCache> REFERENCE_CACHE = Caffeine.newBuilder().weakValues().build();
     private final KMap<String, PregenCache> globalCache = new KMap<>();
     private transient boolean lastState;
+    private static boolean disabled = true;
 
     @Override
     public void onEnable() {
+        disabled = false;
         lastState = !IrisSettings.get().getWorld().isGlobalPregenCache();
         if (lastState) return;
         Bukkit.getWorlds().forEach(this::createCache);
@@ -33,7 +35,8 @@ public class GlobalCacheSVC implements IrisService {
 
     @Override
     public void onDisable() {
-        globalCache.values().forEach(PregenCache::write);
+        disabled = true;
+        globalCache.qclear((world, cache) -> cache.write());
     }
 
     @Nullable
@@ -99,6 +102,7 @@ public class GlobalCacheSVC implements IrisService {
     }
 
     private static PregenCache createDefault0(String worldName) {
+        if (disabled) return PregenCache.EMPTY;
         return PregenCache.create(new File(Bukkit.getWorldContainer(), String.join(File.separator, worldName, "iris", "pregen"))).sync();
     }
 }
diff --git a/core/src/main/java/com/volmit/iris/core/tools/IrisPackBenchmarking.java b/core/src/main/java/com/volmit/iris/core/tools/IrisPackBenchmarking.java
index d9c6b0bd0..4f39a7527 100644
--- a/core/src/main/java/com/volmit/iris/core/tools/IrisPackBenchmarking.java
+++ b/core/src/main/java/com/volmit/iris/core/tools/IrisPackBenchmarking.java
@@ -12,7 +12,6 @@ import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
-import lombok.Getter;
 import org.bukkit.Bukkit;
 
 import java.io.File;
@@ -24,28 +23,28 @@ import java.util.Collections;
 
 
 public class IrisPackBenchmarking {
-    @Getter
-    public static IrisPackBenchmarking instance;
-    public static boolean benchmarkInProgress = false;
+    private static final ThreadLocal<IrisPackBenchmarking> instance = new ThreadLocal<>();
     private final PrecisionStopwatch stopwatch = new PrecisionStopwatch();
     private final IrisDimension dimension;
     private final int radius;
     private final boolean gui;
 
     public IrisPackBenchmarking(IrisDimension dimension, int radius, boolean gui) {
-        instance = this;
         this.dimension = dimension;
         this.radius = radius;
         this.gui = gui;
         runBenchmark();
     }
 
+    public static IrisPackBenchmarking getInstance() {
+        return instance.get();
+    }
+
     private void runBenchmark() {
         Thread.ofVirtual()
                 .name("PackBenchmarking")
                 .start(() -> {
                     Iris.info("Setting up benchmark environment ");
-                    benchmarkInProgress = true;
                     IO.delete(new File(Bukkit.getWorldContainer(), "benchmark"));
                     createBenchmark();
                     while (!IrisToolbelt.isIrisWorld(Bukkit.getWorld("benchmark"))) {
@@ -59,10 +58,6 @@ public class IrisPackBenchmarking {
 
     }
 
-    public boolean getBenchmarkInProgress() {
-        return benchmarkInProgress;
-    }
-
     public void finishedBenchmark(KList<Integer> cps) {
         try {
             String time = Form.duration((long) stopwatch.getMilliseconds());
@@ -132,13 +127,18 @@ public class IrisPackBenchmarking {
     }
 
     private void startBenchmark() {
-        IrisToolbelt.pregenerate(PregenTask
-                .builder()
-                .gui(gui)
-                .radiusX(radius)
-                .radiusZ(radius)
-                .build(), Bukkit.getWorld("benchmark")
-        );
+        try {
+            instance.set(this);
+            IrisToolbelt.pregenerate(PregenTask
+                    .builder()
+                    .gui(gui)
+                    .radiusX(radius)
+                    .radiusZ(radius)
+                    .build(), Bukkit.getWorld("benchmark")
+            );
+        } finally {
+            instance.remove();
+        }
     }
 
     private double calculateAverage(KList<Integer> list) {
diff --git a/core/src/main/java/com/volmit/iris/engine/framework/EnginePlayer.java b/core/src/main/java/com/volmit/iris/engine/framework/EnginePlayer.java
index 803819831..2350b3140 100644
--- a/core/src/main/java/com/volmit/iris/engine/framework/EnginePlayer.java
+++ b/core/src/main/java/com/volmit/iris/engine/framework/EnginePlayer.java
@@ -47,9 +47,7 @@ public class EnginePlayer {
     }
 
     public void tick() {
-        sample();
-
-        if (!IrisSettings.get().getWorld().isEffectSystem())
+        if (sample() || !IrisSettings.get().getWorld().isEffectSystem())
             return;
 
         J.a(() -> {
@@ -81,22 +79,22 @@ public class EnginePlayer {
         return M.ms() - lastSample;
     }
 
-    public void sample() {
+    public boolean sample() {
+        Location current = player.getLocation().clone();
+        if (current.getWorld() != engine.getWorld().realWorld())
+            return true;
         try {
-            if (ticksSinceLastSample() > 55 && player.getLocation().distanceSquared(lastLocation) > 9 * 9) {
-                lastLocation = player.getLocation().clone();
+            if (ticksSinceLastSample() > 55 && current.distanceSquared(lastLocation) > 9 * 9) {
+                lastLocation = current;
                 lastSample = M.ms();
-                sampleBiomeRegion();
+                biome = engine.getBiome(current);
+                region = engine.getRegion(current);
             }
+            return false;
         } catch (Throwable e) {
             Iris.reportError(e);
 
         }
-    }
-
-    private void sampleBiomeRegion() {
-        Location l = player.getLocation();
-        biome = engine.getBiome(l);
-        region = engine.getRegion(l);
+        return true;
     }
 }
diff --git a/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java b/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
index 4c32af6d8..b71051472 100644
--- a/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
@@ -60,8 +60,9 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
         this.x = x;
         this.z = z;
 
-        for (int i = -radius; i <= radius; i++) {
-            for (int j = -radius; j <= radius; j++) {
+        int r = radius / 4;
+        for (int i = -r; i <= r; i++) {
+            for (int j = -r; j <= r; j++) {
                 cachedChunks.put(Cache.key(i + x, j + z), mantle.getChunk(i + x, j + z).use());
             }
         }
@@ -143,7 +144,7 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
         if (cx >= this.x - radius && cx <= this.x + radius
                 && cz >= this.z - radius && cz <= this.z + radius) {
-            MantleChunk chunk = cachedChunks.get(Cache.key(cx, cz));
+            MantleChunk chunk = cachedChunks.computeIfAbsent(Cache.key(cx, cz), k -> mantle.getChunk(cx, cz).use());
 
             if (chunk == null) {
                 Iris.error("Mantle Writer Accessed " + cx + "," + cz + " and came up null (and yet within bounds!)");
@@ -152,6 +153,8 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
             Matter matter = chunk.getOrCreate(y >> 4);
             matter.slice(matter.getClass(t)).set(x & 15, y & 15, z & 15, t);
+        } else {
+            Iris.error("Mantle Writer Accessed chunk out of bounds" + cx + "," + cz);
         }
     }
 
@@ -639,9 +642,10 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public void close() {
-        cachedChunks.values().removeIf(c -> {
-            c.release();
-            return true;
-        });
+        var iterator = cachedChunks.values().iterator();
+        while (iterator.hasNext()) {
+            iterator.next().release();
+            iterator.remove();
+        }
     }
 }
diff --git a/core/src/main/java/com/volmit/iris/util/collection/KMap.java b/core/src/main/java/com/volmit/iris/util/collection/KMap.java
index 01baab32b..4a7f938e0 100644
--- a/core/src/main/java/com/volmit/iris/util/collection/KMap.java
+++ b/core/src/main/java/com/volmit/iris/util/collection/KMap.java
@@ -23,11 +23,9 @@ import com.volmit.iris.util.function.Consumer2;
 import com.volmit.iris.util.function.Consumer3;
 import com.volmit.iris.util.scheduling.Queue;
 
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Enumeration;
-import java.util.Map;
+import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.BiConsumer;
 import java.util.function.BiFunction;
 
 @SuppressWarnings("ALL")
@@ -373,6 +371,20 @@ public class KMap<K, V> extends ConcurrentHashMap<K, V> {
         return g;
     }
 
+    public KMap<K, V> qclear(BiConsumer<K, V> action) {
+        final Iterator<Map.Entry<K, V>> it = entrySet().iterator();
+        while (it.hasNext()) {
+            final Map.Entry<K, V> entry = it.next();
+            it.remove();
+            try {
+                action.accept(entry.getKey(), entry.getValue());
+            } catch (Throwable e) {
+                Iris.reportError(e);
+            }
+        }
+        return this;
+    }
+
     /**
      * Create a keypair queue
      *
diff --git a/core/src/main/java/com/volmit/iris/util/io/IO.java b/core/src/main/java/com/volmit/iris/util/io/IO.java
index 554058244..281f08096 100644
--- a/core/src/main/java/com/volmit/iris/util/io/IO.java
+++ b/core/src/main/java/com/volmit/iris/util/io/IO.java
@@ -24,9 +24,13 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import com.volmit.iris.Iris;
 import com.volmit.iris.util.format.Form;
+import org.apache.commons.io.function.IOConsumer;
+import org.apache.commons.io.function.IOFunction;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
 import java.security.DigestInputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -1638,4 +1642,19 @@ public class IO {
         int ch2 = input2.read();
         return (ch2 == -1);
     }
+
+    public static <T extends OutputStream> void write(File file, IOFunction<FileOutputStream, T> builder, IOConsumer<T> action) throws IOException {
+        File dir = new File(file.getParentFile(), ".tmp");
+        dir.mkdirs();
+        dir.deleteOnExit();
+        File temp = File.createTempFile("iris",".bin", dir);
+        try {
+            try (var out = builder.apply(new FileOutputStream(temp))) {
+                action.accept(out);
+            }
+            Files.move(temp.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING);
+        } finally {
+            temp.delete();
+        }
+    }
 }
diff --git a/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java b/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java
index 77b849272..9de145a3f 100644
--- a/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java
+++ b/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java
@@ -34,6 +34,7 @@ import com.volmit.iris.util.documentation.RegionCoordinates;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.function.Consumer4;
+import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.matter.Matter;
 import com.volmit.iris.util.matter.MatterSlice;
@@ -84,7 +85,7 @@ public class Mantle {
         this.worldHeight = worldHeight;
         this.ioTrim = new AtomicBoolean(false);
         this.ioTectonicUnload = new AtomicBoolean(false);
-        dataFolder.mkdirs();
+        new File(dataFolder, ".tmp").mkdirs();
         loadedRegions = new KMap<>();
         lastUse = new KMap<>();
         ioBurst = MultiBurst.burst;
@@ -387,6 +388,7 @@ public class Mantle {
             }
         }));
         loadedRegions.clear();
+        IO.delete(new File(dataFolder, ".tmp"));
 
         try {
             b.complete();
diff --git a/core/src/main/java/com/volmit/iris/util/mantle/TectonicPlate.java b/core/src/main/java/com/volmit/iris/util/mantle/TectonicPlate.java
index 82c259aaf..009993321 100644
--- a/core/src/main/java/com/volmit/iris/util/mantle/TectonicPlate.java
+++ b/core/src/main/java/com/volmit/iris/util/mantle/TectonicPlate.java
@@ -222,13 +222,16 @@ public class TectonicPlate {
      */
     public void write(File file) throws IOException {
         PrecisionStopwatch p = PrecisionStopwatch.start();
-        File temp = File.createTempFile("iris-tectonic-plate", ".bin");
-        try (DataOutputStream dos = new DataOutputStream(new LZ4BlockOutputStream(new FileOutputStream(temp)))) {
-            write(dos);
+        File temp = File.createTempFile("iris-tectonic-plate", ".bin", new File(file.getParentFile(), ".tmp"));
+        try {
+            try (DataOutputStream dos = new DataOutputStream(new LZ4BlockOutputStream(new FileOutputStream(temp)))) {
+                write(dos);
+            }
+            Files.move(temp.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING);
+            Iris.debug("Saved Tectonic Plate " + C.DARK_GREEN + file.getName() + C.RED + " in " + Form.duration(p.getMilliseconds(), 2));
+        } finally {
+            temp.delete();
         }
-        Files.move(temp.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
-        Iris.debug("Saved Tectonic Plate " + C.DARK_GREEN + file.getName() + C.RED + " in " + Form.duration(p.getMilliseconds(), 2));
-        temp.delete();
     }
 
     /**
diff --git a/core/src/main/java/com/volmit/iris/util/matter/slices/BlockMatter.java b/core/src/main/java/com/volmit/iris/util/matter/slices/BlockMatter.java
index 5322ca5de..15afb4376 100644
--- a/core/src/main/java/com/volmit/iris/util/matter/slices/BlockMatter.java
+++ b/core/src/main/java/com/volmit/iris/util/matter/slices/BlockMatter.java
@@ -18,10 +18,10 @@
 
 package com.volmit.iris.util.matter.slices;
 
+import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.data.palette.Palette;
 import com.volmit.iris.util.matter.Sliced;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.data.BlockData;
@@ -63,6 +63,6 @@ public class BlockMatter extends RawMatter<BlockData> {
 
     @Override
     public BlockData readNode(DataInputStream din) throws IOException {
-        return Bukkit.createBlockData(din.readUTF());
+        return B.get(din.readUTF());
     }
 }
diff --git a/core/src/main/java/com/volmit/iris/util/scheduling/Looper.java b/core/src/main/java/com/volmit/iris/util/scheduling/Looper.java
index e5be20b84..72ba9ff03 100644
--- a/core/src/main/java/com/volmit/iris/util/scheduling/Looper.java
+++ b/core/src/main/java/com/volmit/iris/util/scheduling/Looper.java
@@ -36,7 +36,6 @@ public abstract class Looper extends Thread {
                 //noinspection BusyWait
                 Thread.sleep(m);
             } catch (InterruptedException e) {
-                Iris.reportError(e);
                 break;
             } catch (Throwable e) {
                 Iris.reportError(e);
diff --git a/core/src/main/java/com/volmit/iris/util/sentry/Attachments.java b/core/src/main/java/com/volmit/iris/util/sentry/Attachments.java
new file mode 100644
index 000000000..a338ea6ce
--- /dev/null
+++ b/core/src/main/java/com/volmit/iris/util/sentry/Attachments.java
@@ -0,0 +1,41 @@
+package com.volmit.iris.util.sentry;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.volmit.iris.util.collection.KMap;
+import io.sentry.Attachment;
+import org.bukkit.Bukkit;
+
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.Callable;
+
+public class Attachments {
+    private static final Gson GSON = new GsonBuilder().disableHtmlEscaping().create();
+    public static final Attachment PLUGINS = jsonProvider(Attachments::plugins, "plugins.json");
+
+    public static Attachment json(Object object, String name) {
+        return new Attachment(GSON.toJson(object).getBytes(StandardCharsets.UTF_8), name, "application/json", "event.attachment", true);
+    }
+
+    public static Attachment jsonProvider(Callable<Object> object, String name) {
+        return new Attachment(() -> GSON.toJson(object.call()).getBytes(StandardCharsets.UTF_8), name, "application/json", "event.attachment", true);
+    }
+
+    private static KMap<String, Object> plugins() {
+        KMap<String, String> enabled = new KMap<>();
+        KMap<String, String> disabled = new KMap<>();
+
+        var pm = Bukkit.getPluginManager();
+        for (var plugin : pm.getPlugins()) {
+            if (plugin.isEnabled()) {
+                enabled.put(plugin.getName(), plugin.getDescription().getVersion());
+            } else {
+                disabled.put(plugin.getName(), plugin.getDescription().getVersion());
+            }
+        }
+
+        return new KMap<String, Object>()
+                .qput("enabled", enabled)
+                .qput("disabled", disabled);
+    }
+}
diff --git a/core/src/main/java/com/volmit/iris/util/sentry/IrisLogger.java b/core/src/main/java/com/volmit/iris/util/sentry/IrisLogger.java
new file mode 100644
index 000000000..e51d407c5
--- /dev/null
+++ b/core/src/main/java/com/volmit/iris/util/sentry/IrisLogger.java
@@ -0,0 +1,47 @@
+package com.volmit.iris.util.sentry;
+
+import com.volmit.iris.Iris;
+import io.sentry.ILogger;
+import io.sentry.SentryLevel;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+public class IrisLogger implements ILogger {
+    @Override
+    public void log(@NotNull SentryLevel level, @NotNull String message, @Nullable Object... args) {
+        Iris.msg(String.format("%s: %s", level, String.format(message, args)));
+    }
+
+    @Override
+    public void log(@NotNull SentryLevel level, @NotNull String message, @Nullable Throwable throwable) {
+        if (throwable == null) {
+            log(level, message);
+        } else {
+            Iris.msg(String.format("%s: %s\n%s", level, String.format(message, throwable), captureStackTrace(throwable)));
+        }
+    }
+
+    @Override
+    public void log(@NotNull SentryLevel level, @Nullable Throwable throwable, @NotNull String message, @Nullable Object... args) {
+        if (throwable == null) {
+            log(level, message, args);
+        } else {
+            Iris.msg(String.format("%s: %s\n%s", level, String.format(message, throwable), captureStackTrace(throwable)));
+        }
+    }
+
+    @Override
+    public boolean isEnabled(@Nullable SentryLevel level) {
+        return true;
+    }
+
+    private @NotNull String captureStackTrace(@NotNull Throwable throwable) {
+        StringWriter stringWriter = new StringWriter();
+        PrintWriter printWriter = new PrintWriter(stringWriter);
+        throwable.printStackTrace(printWriter);
+        return stringWriter.toString();
+    }
+}