Update to Minecraft 1.21.8

Minecraft 1.21.2 added a mouseScroll override to
AbstractContainerScreen, which means that child widgets no longer
receive scroll events. We reimplement that logic in our computer screen.

Fixes #2245.

gradle.properties

@@ -15,4 +15,4 @@ isUnstable=true
 modVersion=1.116.1
 
 # Minecraft properties: We want to configure this here so we can read it in settings.gradle
-mcVersion=1.21.7
+mcVersion=1.21.8

gradle/libs.versions.toml

@@ -7,9 +7,9 @@
 # Minecraft
 # MC version is specified in gradle.properties, as we need that in settings.gradle.
 # Remember to update corresponding versions in fabric.mod.json/neoforge.mods.toml
-fabric-api = "0.128.0+1.21.7"
+fabric-api = "0.129.0+1.21.8"
 fabric-loader = "0.16.14"
-neoForge = "21.7.19-beta"
+neoForge = "21.8.0-beta"
 neoMergeTool = "2.0.0"
 mixin = "0.8.5"
 parchment = "2025.06.29"

projects/common/src/client/java/dan200/computercraft/client/gui/AbstractComputerScreen.java

@@ -125,6 +125,15 @@ public abstract class AbstractComputerScreen<T extends AbstractComputerMenu> ext
         return super.mouseReleased(x, y, button);
     }
 
+    @Override
+    public boolean mouseScrolled(double mouseX, double mouseY, double scrollX, double scrollY) {
+        // Reimplement ContainerEventHandler.mouseScrolled, as AbstractContainerScreen overrides it.
+        var child = getChildAt(mouseX, mouseY);
+        if (child.isPresent() && child.get().mouseScrolled(mouseX, mouseY, scrollX, scrollY)) return true;
+
+        return super.mouseScrolled(mouseX, mouseY, scrollX, scrollY);
+    }
+
     @Override
     public void render(GuiGraphics graphics, int mouseX, int mouseY, float partialTicks) {
         super.render(graphics, mouseX, mouseY, partialTicks);

projects/fabric/src/main/resources/fabric.mod.json

@@ -51,7 +51,7 @@
     "depends": {
         "fabricloader": ">=0.16.14",
         "fabric-api": ">=0.128.0",
-        "minecraft": "=1.21.7"
+        "minecraft": "=1.21.8"
     },
     "accessWidener": "computercraft.accesswidener"
 }

projects/forge/src/main/resources/META-INF/neoforge.mods.toml

@@ -26,7 +26,7 @@ CC: Tweaked is a fork of ComputerCraft, adding programmable computers, turtles a
 [[dependencies.computercraft]]
     modId="neoforge"
     type="required"
-    versionRange="[${neoVersion},21.8)"
+    versionRange="[${neoVersion},21.9)"
     ordering="NONE"
     side="BOTH"