pcal43 · pcal43 · May 13, 2026 · May 13, 2026 · May 13, 2026 · May 13, 2026
diff --git a/.github/workflows/build-pull-request.yml b/.github/workflows/build-pull-request.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 21
+          java-version: 25
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4

diff --git a/build.gradle b/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom' version "${fabric_loom_version}" apply false
+	id 'net.fabricmc.fabric-loom' version "${fabric_loom_version}" apply false
 	id 'net.neoforged.moddev' version "${neoforge_moddev_version}" apply false
 	id 'com.modrinth.minotaur' version "${minotaur_plugin_version}" apply false
 	id 'net.darkhax.curseforgegradle' version "${curseforgegradle_plugin_version}" apply false
@@ -417,4 +417,3 @@ tasks.register('release') {
 		println ""
 	}
 }
-
diff --git a/common/build.gradle b/common/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'net.fabricmc.fabric-loom'
 }
 
 repositories {
@@ -11,7 +11,6 @@ repositories {
 
 dependencies {
 	minecraft "com.mojang:minecraft:${minecraft_version}"
-	mappings loom.officialMojangMappings()
 
 	compileOnly "org.spongepowered:mixin:${spongepowered_version}"
 	annotationProcessor "org.spongepowered:mixin:${spongepowered_version}:processor"

diff --git a/common/src/main/java/net/pcal/fastback/common/mixins/FileFixerUpperMixin.java b/common/src/main/java/net/pcal/fastback/common/mixins/FileFixerUpperMixin.java
@@ -0,0 +1,60 @@
+/*
+ * FastBack - Fast, incremental Minecraft backups powered by Git.
+ * Copyright (C) 2022 pcal.net
+ *
+ * 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 2
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+package net.pcal.fastback.common.mixins;
+
+import net.minecraft.util.filefix.FileFixerUpper;
+import net.minecraft.util.filefix.virtualfilesystem.CopyOnWriteFileSystem;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+
+/**
+ * Prevents MC 26.1+'s CopyOnWriteFileSystem (used during world upgrade) from choking
+ * on read-only git object files inside the .git directory.
+ *
+ * @author pcal
+ * @since 0.31.2
+ */
+@Mixin(FileFixerUpper.class)
+public class FileFixerUpperMixin {
+
+    @Redirect(
+        method = "applyFileFixersOnCow",
+        at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/util/filefix/virtualfilesystem/CopyOnWriteFileSystem;create(Ljava/lang/String;Ljava/nio/file/Path;Ljava/nio/file/Path;Ljava/nio/file/PathMatcher;)Lnet/minecraft/util/filefix/virtualfilesystem/CopyOnWriteFileSystem;",
+            remap = false
+        ),
+        remap = false
+    )
+    private CopyOnWriteFileSystem fastback_skipGitDir(
+            String name, Path baseDir, Path tmpDir, PathMatcher original) throws IOException {
+        PathMatcher withGitSkip = path -> {
+            for (Path component : path) {
+                if (".git".equals(component.toString())) return true;
+            }
+            return original.matches(path);
+        };
+        return CopyOnWriteFileSystem.create(name, baseDir, tmpDir, withGitSkip);
+    }
+}
+
diff --git a/common/src/main/java/net/pcal/fastback/common/mixins/MessageScreenMixin.java b/common/src/main/java/net/pcal/fastback/common/mixins/MessageScreenMixin.java
@@ -17,7 +17,7 @@
  */
 package net.pcal.fastback.common.mixins;
 
-import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
 import net.minecraft.client.gui.screens.GenericMessageScreen;
 import net.pcal.fastback.common.mod.Mod;
 import org.spongepowered.asm.mixin.Mixin;
@@ -34,8 +34,8 @@
 @Mixin(GenericMessageScreen.class)
 public class MessageScreenMixin {
 
-    @Inject(method = "renderBackground", at = @At("TAIL"), remap = false)
-    public void fastback_render(GuiGraphics context, int mouseX, int mouseY, float delta, CallbackInfo ci) {
+    @Inject(method = "extractBackground", at = @At("TAIL"), remap = false)
+    public void fastback_render(GuiGraphicsExtractor context, int mouseX, int mouseY, float delta, CallbackInfo ci) {
         Mod.mod().renderMessageScreen(context);
     }
 }
diff --git a/common/src/main/java/net/pcal/fastback/common/mod/ClientHelper.java b/common/src/main/java/net/pcal/fastback/common/mod/ClientHelper.java
@@ -19,7 +19,7 @@
 package net.pcal.fastback.common.mod;
 
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
 import net.minecraft.client.gui.screens.GenericMessageScreen;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
@@ -82,11 +82,11 @@ public void setMessageScreenText(UserMessage userMessage) {
         }
     }
 
-    public void renderMessageScreen(GuiGraphics guiGraphics) {
+    public void renderMessageScreen(GuiGraphicsExtractor guiGraphics) {
         renderHud(guiGraphics);
     }
 
-    public void renderHud(GuiGraphics guiGraphics) {
+    public void renderHud(GuiGraphicsExtractor guiGraphics) {
         if (this.client == null) return;
         if (this.hudText == null) return;
         if (!this.client.options.showAutosaveIndicator().get()) return;
@@ -95,6 +95,6 @@ public void renderHud(GuiGraphics guiGraphics) {
             syslog().debug("hud text timed out.  somebody forgot to clean up");
             return;
         }
-        guiGraphics.drawString(this.client.font, this.hudText, 2, 2, 0xFFFFFFFF);
+        guiGraphics.text(this.client.font, this.hudText, 2, 2, 0xFFFFFF, false);
     }
 }
diff --git a/common/src/main/java/net/pcal/fastback/common/mod/Mod.java b/common/src/main/java/net/pcal/fastback/common/mod/Mod.java
@@ -18,7 +18,7 @@
 
 package net.pcal.fastback.common.mod;
 
-import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
 import net.minecraft.commands.CommandSourceStack;
 import net.minecraft.server.MinecraftServer;
 import net.pcal.fastback.common.logging.UserMessage;
@@ -87,7 +87,7 @@ static void initializeForClient(LoaderHelper loaderHelper, ClientHelper clientHe
     /**
      * Allows loaders to plugin HUD rendering.
      */
-    void renderHud(GuiGraphics drawContext);
+    void renderHud(GuiGraphicsExtractor drawContext);
 
     // ======================================================================
     // Mixin-facing methods
@@ -108,7 +108,7 @@ static void initializeForClient(LoaderHelper loaderHelper, ClientHelper clientHe
     /**
      * Called from the shutdown message screen mixins to render additional text.
      */
-    void renderMessageScreen(GuiGraphics drawContext);
+    void renderMessageScreen(GuiGraphicsExtractor drawContext);
 
 
     // ======================================================================

diff --git a/common/src/main/java/net/pcal/fastback/common/mod/ModImpl.java b/common/src/main/java/net/pcal/fastback/common/mod/ModImpl.java
@@ -17,7 +17,7 @@
  */
 package net.pcal.fastback.common.mod;
 
-import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.gui.GuiGraphicsExtractor;
 import net.minecraft.commands.CommandSourceStack;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.world.level.storage.LevelStorageSource;
@@ -239,7 +239,7 @@ public void autoSaveCompleted() {
     }
 
     @Override
-    public void renderMessageScreen(GuiGraphics drawContext) {
+    public void renderMessageScreen(GuiGraphicsExtractor drawContext) {
         if (this.clientHelper != null) {
             this.clientHelper.renderMessageScreen(drawContext);
         } else {
@@ -248,7 +248,7 @@ public void renderMessageScreen(GuiGraphics drawContext) {
     }
 
     @Override
-    public void renderHud(GuiGraphics drawContext) {
+    public void renderHud(GuiGraphicsExtractor drawContext) {
         if (this.clientHelper != null) {
             this.clientHelper.renderHud(drawContext);
         } else {

diff --git a/common/src/main/java/net/pcal/fastback/common/mod/UserMessageUtil.java b/common/src/main/java/net/pcal/fastback/common/mod/UserMessageUtil.java
@@ -40,7 +40,10 @@ public class UserMessageUtil {
     public static Component messageToText(final UserMessage m) {
         final MutableComponent out;
         if (m.localized() != null) {
-            out = Component.translatable(m.localized().key(), m.localized().params());
+            out = Component.translatable(
+                m.localized().key(),
+                messageParamsToComponentArgs(m.localized().params())
+            );
         } else {
             out = Component.literal(m.raw());
         }
@@ -53,6 +56,20 @@ public static Component messageToText(final UserMessage m) {
         return out;
     }
 
+    private static Object[] messageParamsToComponentArgs(final Object[] params) {
+        if (params == null) return new Object[0];
+
+        final Object[] out = new Object[params.length];
+        for (int i = 0; i < params.length; i++) {
+            final Object param = params[i];
+            if (param instanceof Component) {
+                out[i] = param;
+            } else {
+                out[i] = String.valueOf(param);
+            }
+        }
+        return out;
+    }
+
     private UserMessageUtil() {}
 }
-
diff --git a/common/src/main/resources/fastback.mixins.json b/common/src/main/resources/fastback.mixins.json
@@ -2,8 +2,9 @@
   "required": true,
   "minVersion": "0.8",
   "package": "net.pcal.fastback.common.mixins",
-  "compatibilityLevel": "JAVA_16",
+  "compatibilityLevel": "JAVA_25",
   "mixins": [
+    "FileFixerUpperMixin",
     "MinecraftServerMixin",
     "ServerAccessors",
     "SessionAccessors"

diff --git a/fabric/build.gradle b/fabric/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom'
+	id 'net.fabricmc.fabric-loom'
 	id 'com.modrinth.minotaur'
 	id 'net.darkhax.curseforgegradle'
 }
@@ -17,33 +17,32 @@ repositories {
 
 dependencies {
 	minecraft "com.mojang:minecraft:${minecraft_version}"
-	mappings loom.officialMojangMappings()
-	modImplementation "net.fabricmc:fabric-loader:${fabric_loader_version}"
-	modImplementation "net.fabricmc.fabric-api:fabric-api:${fabric_api_version}"
+	implementation "net.fabricmc:fabric-loader:${fabric_loader_version}"
+	implementation "net.fabricmc.fabric-api:fabric-api:${fabric_api_version}"
 
-	modImplementation("me.lucko:fabric-permissions-api:${fabric_permissions_version}") { transitive = false }
+	implementation("me.lucko:fabric-permissions-api:${fabric_permissions_version}") { transitive = false }
 	include("me.lucko:fabric-permissions-api:${fabric_permissions_version}") { transitive = false }
 
-	modImplementation("xyz.nucleoid:server-translations-api:${server_translations_version}")
+	implementation("xyz.nucleoid:server-translations-api:${server_translations_version}")
 	include("xyz.nucleoid:server-translations-api:${server_translations_version}")
 
 	// jgit and dependencies
-	modImplementation("org.eclipse.jgit:org.eclipse.jgit:${jgit_version}") { transitive = false }
+	implementation("org.eclipse.jgit:org.eclipse.jgit:${jgit_version}") { transitive = false }
 	include("org.eclipse.jgit:org.eclipse.jgit:${jgit_version}") { transitive = false }
 
-	modImplementation("com.googlecode.javaewah:JavaEWAH:${JavaEWAH_version}") { transitive = false }
+	implementation("com.googlecode.javaewah:JavaEWAH:${JavaEWAH_version}") { transitive = false }
 	include("com.googlecode.javaewah:JavaEWAH:${JavaEWAH_version}") { transitive = false }
 
-	modImplementation("org.eclipse.jgit:org.eclipse.jgit.ssh.apache:${jgit_version}") { transitive = false }
+	implementation("org.eclipse.jgit:org.eclipse.jgit.ssh.apache:${jgit_version}") { transitive = false }
 	include("org.eclipse.jgit:org.eclipse.jgit.ssh.apache:${jgit_version}") { transitive = false }
 
-	modImplementation("org.apache.sshd:sshd-core:${apache_sshd_version}") { transitive = false }
+	implementation("org.apache.sshd:sshd-core:${apache_sshd_version}") { transitive = false }
 	include("org.apache.sshd:sshd-core:${apache_sshd_version}") { transitive = false }
 
-	modImplementation("org.apache.sshd:sshd-common:${apache_sshd_version}") { transitive = false }
+	implementation("org.apache.sshd:sshd-common:${apache_sshd_version}") { transitive = false }
 	include("org.apache.sshd:sshd-common:${apache_sshd_version}") { transitive = false }
 
-	modImplementation("net.i2p.crypto:eddsa:${eddsa_version}") { transitive = false }
+	implementation("net.i2p.crypto:eddsa:${eddsa_version}") { transitive = false }
 	include("net.i2p.crypto:eddsa:${eddsa_version}") { transitive = false }
 
 	compileOnly project(':common')
@@ -84,9 +83,6 @@ loom {
 			runDir("run")
 		}
 	}
-	mixin {
-		defaultRefmapName = "fastback-refmap.json"
-	}
 	mods {
 		"fastback" {
 			sourceSet sourceSets.main
@@ -107,7 +103,7 @@ modrinth {
 	versionNumber = mod_version
 	versionName = "${mod_version} (fabric)"
 	versionType = "release"
-	uploadFile = remapJar
+	uploadFile = jar
 	changelog = "<p><a href='${github_projectUrl}/releases/tag/${mod_version}'>${github_projectUrl}/releases/tag/${mod_version}</a></p>"
 	gameVersions = [minecraft_version]
 	loaders = ["fabric"]
@@ -120,11 +116,11 @@ import net.darkhax.curseforgegradle.TaskPublishCurseForge
 
 tasks.register('publishCurseForge', TaskPublishCurseForge) {
 	apiToken = System.getenv("CURSEFORGE_TOKEN") ?: 'CURSEFORGE_TOKEN NOT_SET'
-	def mainFile = upload(curseforge_projectId, remapJar)
+	def mainFile = upload(curseforge_projectId, jar)
 	mainFile.releaseType = "release"
 	mainFile.changelog = "${github_projectUrl}/releases/tag/${mod_version}"
 	mainFile.changelogType = "markdown"
 	mainFile.addGameVersion(minecraft_version)
 	mainFile.addModLoader("Fabric")
-	dependsOn(remapJar)
+	dependsOn(jar)
 }
diff --git a/fabric/src/main/java/net/pcal/fastback/fabric/FabricClientInitializer.java b/fabric/src/main/java/net/pcal/fastback/fabric/FabricClientInitializer.java
@@ -20,8 +20,9 @@
 
 import net.fabricmc.api.ClientModInitializer;
 import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents;
-import net.fabricmc.fabric.api.client.rendering.v1.HudRenderCallback;
+import net.fabricmc.fabric.api.client.rendering.v1.hud.HudElementRegistry;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
+import net.minecraft.resources.Identifier;
 import net.pcal.fastback.common.mod.ClientHelper;
 import net.pcal.fastback.common.mod.Mod;
 
@@ -33,14 +34,17 @@
  */
 public class FabricClientInitializer implements ClientModInitializer {
 
+    private static final String MOD_ID = "fastback";
+
     @Override
     public void onInitializeClient() {
         ClientLifecycleEvents.CLIENT_STARTED.register(
                 minecraftClient -> {
                     Mod.initializeForClient(new FabricLoaderHelper(), new ClientHelper(minecraftClient));
-                    HudRenderCallback.EVENT.register((guiGraphics,deltaTracker)->{
-                        Mod.mod().renderHud(guiGraphics);
-                    });
+                    HudElementRegistry.addLast(
+                            Identifier.fromNamespaceAndPath(MOD_ID, "hud"),
+                            (guiGraphics, deltaTracker) -> Mod.mod().renderHud(guiGraphics)
+                    );
                 }
         );
         ServerLifecycleEvents.SERVER_STARTING.register(

diff --git a/fabric/src/main/resources/fabric.mod.json b/fabric/src/main/resources/fabric.mod.json
@@ -26,9 +26,10 @@
   ],
   "depends": {
     "fabricloader": ">=${fabric_loader_version}",
-    "minecraft": ">=${minecraft_version}",
-    "java": ">=${java_version}"
+    "fabric-api": "*",
+    "fabric-permissions-api-v0": "*",
+    "minecraft": "26.1.x",
+    "java": ">=25"
   },
   "conflicts": {}
 }
-