Remove Sentry

- Remove automatic error reporting and server-identifying attachments.
- Remove Sentry dependencies, release tooling, settings, and test commands.
- Keep failures operator-visible through local stack traces and logging.

adapters/bukkit/plugin/build.gradle

@@ -21,7 +21,6 @@ dependencies {
     testImplementation('org.mockito:mockito-core:5.23.0')
     testImplementation(libs.paper.api)
     testImplementation(libs.bstats)
-    testImplementation(libs.sentry)
     testImplementation(project(':core'))
     testImplementation(volmLibCoordinate) {
         transitive = false

adapters/bukkit/plugin/src/main/java/art/arcane/iris/Iris.java

@@ -423,7 +423,6 @@ public class Iris extends VolmitPlugin implements Listener, ReloadAware {
             return;
         }
 
-        Bindings.capture(e);
         boolean debug = false;
         if (instance != null) {
             try {
@@ -455,6 +454,8 @@ public class Iris extends VolmitPlugin implements Listener, ReloadAware {
 
             Iris.debug("Exception Logged: " + e.getClass().getSimpleName() + ": " + C.RESET + "" + C.LIGHT_PURPLE + e.getMessage());
         }
+
+        e.printStackTrace(System.err);
     }
 
     public static void reportError(String context, Throwable e) {
@@ -473,7 +474,6 @@ public class Iris extends VolmitPlugin implements Listener, ReloadAware {
         }
 
         reportError(error);
-        error.printStackTrace(System.err);
     }
 
     public static void dump() {
@@ -606,7 +606,6 @@ public class Iris extends VolmitPlugin implements Listener, ReloadAware {
         SimdSupport.install();
         services = new KMap<>();
         BukkitPlatform.hostHud(new HudActionBar(this), new HudBossBarLane());
-        Bindings.setupSentry();
         // Explicit, ordered service list: the previous reflective jar scan gave hash-ordered
         // enable/disable and paid a full-jar class sweep at boot. Infrastructure first,
         // engine/world services next, commands last.

adapters/bukkit/plugin/src/main/java/art/arcane/iris/core/commands/CommandDeveloper.java

@@ -34,7 +34,6 @@ import art.arcane.iris.engine.IrisEngineMantle;
 import art.arcane.iris.engine.framework.Engine;
 import art.arcane.iris.engine.object.IrisDimension;
 import art.arcane.iris.engine.platform.PlatformChunkGenerator;
-import art.arcane.iris.util.project.context.IrisContext;
 import art.arcane.iris.util.project.matter.IrisMatterContext;
 import art.arcane.iris.util.common.director.DirectorExecutor;
 import art.arcane.volmlib.util.director.DirectorOrigin;
@@ -79,19 +78,6 @@ public class CommandDeveloper implements DirectorExecutor {
                 .engineStatus(sender());
     }
 
-    @Director(description = "Send a test exception to sentry", descriptionKey = "iris.director.commanddeveloper.director.send_test_exception_sentry")
-    public void Sentry() {
-        Engine engine = engine();
-        Exception testException = new Exception("This is a test");
-        if (engine == null) {
-            Iris.reportError(testException);
-            return;
-        }
-        try (IrisContext.Scope scope = IrisContext.open(engine, engine.getGenerationSessionId(), null)) {
-            Iris.reportError(testException);
-        }
-    }
-
     @Director(description = "Hash generated block output of a fixed area for determinism/identity testing", descriptionKey = "iris.director.commanddeveloper.director.hash_generated_block_output_fixed_area_determinism_identity_testing", origin = DirectorOrigin.BOTH)
     public void genhash(
             @Param(description = "The world to hash", descriptionKey = "iris.director.commanddeveloper.param.world_hash", contextual = true, contextualOverride = true)

adapters/fabric/build.gradle

@@ -162,8 +162,7 @@ dependencies {
         libs.lru,
         libs.caffeine,
         libs.dom4j,
-        libs.jaxen,
-        libs.sentry
+        libs.jaxen
     ]
     shared.each { Object notation ->
         add('bundle', notation)
@@ -271,7 +270,6 @@ tasks.named('shadowJar', ShadowJar).configure {
     exclude('art/arcane/iris/platform/bukkit/**')
     duplicatesStrategy = DuplicatesStrategy.EXCLUDE
     relocate('org.objectweb.asm', 'art.arcane.iris.shadow.asm')
-    relocate('io.sentry', 'art.arcane.iris.shadow.sentry')
     // Split-package guard. A co-installed mod that ships any of these at their original coordinates
     // puts two copies of the same package on one module layer, which the loaders reject at boot
     // (Terra ships paralithic; caffeine and dom4j are common in mod dependency trees). First-party

adapters/forge/build.gradle

@@ -161,8 +161,7 @@ dependencies {
         libs.lru,
         libs.caffeine,
         libs.dom4j,
-        libs.jaxen,
-        libs.sentry
+        libs.jaxen
     ]
     shared.each { Object notation ->
         add('bundle', notation)
@@ -263,7 +262,6 @@ tasks.named('shadowJar', ShadowJar).configure {
     exclude('art/arcane/iris/platform/bukkit/**')
     duplicatesStrategy = DuplicatesStrategy.EXCLUDE
     relocate('org.objectweb.asm', 'art.arcane.iris.shadow.asm')
-    relocate('io.sentry', 'art.arcane.iris.shadow.sentry')
     // Split-package guard. A co-installed mod that ships any of these at their original coordinates
     // puts two copies of the same package on one module layer, which the loaders reject at boot
     // (Terra ships paralithic; caffeine and dom4j are common in mod dependency trees). First-party

adapters/modded-common/src/main/java/art/arcane/iris/modded/ModdedEngineBootstrap.java

@@ -113,7 +113,6 @@ public final class ModdedEngineBootstrap {
         bindWorldGenerators(server);
         services().enableAll();
         ModdedProtocolHandler.start(server);
-        ModdedSentry.start(loader());
     }
 
     private static void bindWorldGenerators(MinecraftServer server) {
@@ -194,7 +193,6 @@ public final class ModdedEngineBootstrap {
             MultiBurst.burst.close();
             MultiBurst.ioBurst.close();
         });
-        failure = runStopStage(failure, "sentry", ModdedSentry::flush);
         failure = runStopStage(failure, "startup state", ModdedStartup::reset);
         failure = runStopStage(failure, "server state", () -> {
             currentServer = null;

adapters/modded-common/src/main/java/art/arcane/iris/modded/ModdedPlatform.java

@@ -47,7 +47,6 @@ public final class ModdedPlatform implements IrisPlatform {
     private static final ConcurrentHashMap<String, ErrorThrottle> ERROR_THROTTLES = new ConcurrentHashMap<>();
 
     private static volatile Consumer<Throwable> ERROR_SINK = null;
-    private static volatile Consumer<Throwable> CAPTURE_SINK = null;
 
     private final ModdedLoader loader;
     private final ModdedRegistries registries;
@@ -67,10 +66,6 @@ public final class ModdedPlatform implements IrisPlatform {
         ERROR_SINK = sink;
     }
 
-    public static void captureSink(Consumer<Throwable> sink) {
-        CAPTURE_SINK = sink;
-    }
-
     public MinecraftServer server() {
         return ModdedEngineBootstrap.currentServer();
     }
@@ -230,9 +225,8 @@ public final class ModdedPlatform implements IrisPlatform {
     }
 
     /**
-     * Throttled per exception signature. A single broken pack rule can fail on every generated chunk, and this
-     * feeds Sentry, so each distinct signature reports its first few occurrences and then only a periodic
-     * suppressed-count summary.
+     * Throttled per exception signature. A single broken pack rule can fail on every generated chunk, so each
+     * distinct signature reports its first few occurrences and then only a periodic suppressed-count summary.
      */
     @Override
     public void reportError(Throwable error) {
@@ -261,14 +255,6 @@ public final class ModdedPlatform implements IrisPlatform {
             return;
         }
         ModdedIrisLog.error(message, error);
-        Consumer<Throwable> capture = CAPTURE_SINK;
-        if (capture != null) {
-            try {
-                capture.accept(error);
-            } catch (Throwable captureFailure) {
-                ModdedIrisLog.error("Iris error-reporting sink failed", captureFailure);
-            }
-        }
     }
 
     static void resetErrorThrottles() {

adapters/modded-common/src/main/java/art/arcane/iris/modded/ModdedSentry.java

@@ -1,81 +0,0 @@
-/*
- * Iris is a World Generator for Minecraft Servers
- * Copyright (c) 2026 Arcane Arts (Volmit Software)
- *
- * 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 art.arcane.iris.modded;
-
-import art.arcane.iris.BuildConstants;
-import art.arcane.iris.core.IrisSettings;
-import art.arcane.iris.spi.IrisLogging;
-import art.arcane.volmlib.util.json.JSONException;
-import com.google.gson.JsonSyntaxException;
-import io.sentry.Sentry;
-
-import java.util.concurrent.atomic.AtomicBoolean;
-
-public final class ModdedSentry {
-    private static final String DSN = "http://4cdbb9ac953306529947f4ca1e8e6b26@sentry.volmit.com:8080/2";
-    private static final long FLUSH_TIMEOUT_MS = 2000L;
-    private static final AtomicBoolean STARTED = new AtomicBoolean(false);
-
-    private ModdedSentry() {
-    }
-
-    public static void start(ModdedLoader loader) {
-        IrisSettings.IrisSettingsSentry settings = IrisSettings.get().getSentry();
-        if (settings.disableAutoReporting || Sentry.isEnabled() || Boolean.getBoolean("iris.suppressReporting")) {
-            return;
-        }
-        if (!STARTED.compareAndSet(false, true)) {
-            return;
-        }
-        IrisLogging.info("Enabling Sentry for anonymous error reporting. You can disable this in the settings.");
-        Sentry.init(options -> {
-            options.setDsn(DSN);
-            if (settings.debug) {
-                options.setDebug(true);
-            }
-            options.setAttachServerName(false);
-            options.setEnableUncaughtExceptionHandler(false);
-            options.setRelease(loader.modVersion());
-            options.setEnvironment(BuildConstants.ENVIRONMENT);
-            options.setBeforeSend((event, hint) -> suppress(event.getThrowable()) ? null : event);
-        });
-        Sentry.configureScope(scope -> {
-            scope.setTag("server", loader.platformName());
-            scope.setTag("server.mc", loader.minecraftVersion());
-            scope.setTag("iris.loader", loader.platformName());
-            scope.setTag("iris.commit", BuildConstants.COMMIT);
-        });
-        ModdedPlatform.captureSink(Sentry::captureException);
-    }
-
-    public static void flush() {
-        if (Sentry.isEnabled()) {
-            Sentry.flush(FLUSH_TIMEOUT_MS);
-            Sentry.close();
-        }
-        ModdedPlatform.captureSink(null);
-        STARTED.set(false);
-    }
-
-    private static boolean suppress(Throwable error) {
-        return (error instanceof IllegalStateException state && "zip file closed".equals(state.getMessage()))
-                || error instanceof JSONException
-                || error instanceof JsonSyntaxException;
-    }
-}

adapters/modded-common/src/main/java/art/arcane/iris/modded/command/ModdedCommandHelp.java

@@ -87,7 +87,7 @@ final class ModdedCommandHelp {
                 Entry.group("datapack", ModdedHelpMessages.GROUP_DATAPACK_WORLD_DATAPACK_INSTALL_AND_STATUS_HELPERS, "datapacks", "dp"),
                 Entry.group("structure", ModdedHelpMessages.GROUP_STRUCTURE_IRIS_STRUCTURE_INDEX_INFO_AND_PLACEMENT_TOOLS, "struct", "str"),
                 Entry.command("goldenhash", "[radius] [threads] [capture|verify]", ModdedHelpMessages.COMMAND_GOLDENHASH_GENERATE_DETERMINISTIC_BLOCK_HASHES_FOR_PARITY_TESTING, "gold"),
-                Entry.group("developer", ModdedHelpMessages.GROUP_DEVELOPER_DEVELOPER_DIAGNOSTICS_SENTRY_TEST_NETWORK_INTERFACES_REGION_FILE_SCAN, "dev")
+                Entry.group("developer", ModdedHelpMessages.GROUP_DEVELOPER_DEVELOPER_DIAGNOSTICS_NETWORK_INTERFACES_REGION_FILE_SCAN, "dev")
         ));
         SECTIONS.put("what", List.of(
                 Entry.command("here", "", ModdedHelpMessages.COMMAND_WHAT_HERE_INSPECT_CURRENT_IRIS_CONTEXT),
@@ -197,7 +197,6 @@ final class ModdedCommandHelp {
         SECTIONS.put("struct", SECTIONS.get("structure"));
         SECTIONS.put("str", SECTIONS.get("structure"));
         SECTIONS.put("developer", List.of(
-                Entry.command("sentry", "", ModdedHelpMessages.COMMAND_SENTRY_SEND_A_TEST_EXCEPTION_TO_THE_IRIS_ERROR_REPORTER),
                 Entry.command("network", "", ModdedHelpMessages.COMMAND_NETWORK_LIST_NETWORK_INTERFACES_AND_THEIR_ADDRESSES, "ip")
         ));
         SECTIONS.put("dev", SECTIONS.get("developer"));

adapters/modded-common/src/main/java/art/arcane/iris/modded/command/ModdedDeveloperCommands.java

@@ -19,7 +19,6 @@
 package art.arcane.iris.modded.command;
 
 import art.arcane.iris.modded.ModdedIrisLog;
-import art.arcane.iris.spi.IrisPlatforms;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
 import com.mojang.brigadier.context.CommandContext;
 import net.minecraft.commands.CommandSourceStack;
@@ -44,20 +43,12 @@ final class ModdedDeveloperCommands {
     static LiteralArgumentBuilder<CommandSourceStack> tree(String name) {
         return Commands.literal(name).requires(GATE)
                 .executes((CommandContext<CommandSourceStack> context) -> ModdedCommandHelp.send(context.getSource(), "developer"))
-                .then(Commands.literal("sentry")
-                        .executes((CommandContext<CommandSourceStack> context) -> sentry(context.getSource())))
                 .then(Commands.literal("network")
                         .executes((CommandContext<CommandSourceStack> context) -> network(context.getSource())))
                 .then(Commands.literal("ip")
                         .executes((CommandContext<CommandSourceStack> context) -> network(context.getSource())));
     }
 
-    private static int sentry(CommandSourceStack source) {
-        IrisPlatforms.get().reportError(new Exception("This is an Iris Sentry test exception"));
-        ModdedCommandFeedback.ok(source, IrisLanguage.plain(ModdedCommandMessages.MODDED_DEVELOPER_COMMANDS_DISPATCHED_TEST_EXCEPTION_IRIS_ERROR_REPORTER_SENTRY_IF_ENABLED));
-        return 1;
-    }
-
     private static int network(CommandSourceStack source) {
         try {
             Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();

adapters/neoforge/build.gradle

@@ -131,8 +131,7 @@ dependencies {
         libs.lru,
         libs.caffeine,
         libs.dom4j,
-        libs.jaxen,
-        libs.sentry
+        libs.jaxen
     ]
     shared.each { Object notation ->
         add('bundle', notation)
@@ -239,7 +238,6 @@ tasks.named('shadowJar', ShadowJar).configure {
     exclude('art/arcane/iris/platform/bukkit/**')
     duplicatesStrategy = DuplicatesStrategy.EXCLUDE
     relocate('org.objectweb.asm', 'art.arcane.iris.shadow.asm')
-    relocate('io.sentry', 'art.arcane.iris.shadow.sentry')
     // Split-package guard. A co-installed mod that ships any of these at their original coordinates
     // puts two copies of the same package on one module layer, which the loaders reject at boot
     // (Terra ships paralithic; caffeine and dom4j are common in mod dependency trees). First-party