diff --git a/build.gradle b/build.gradle
index 7431fc5b1..b7a987060 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,8 +33,7 @@ java.toolchain.languageVersion = JavaLanguageVersion.of(17)
 
 println('Java: ' + System.getProperty('java.version') + ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ') Arch: ' + System.getProperty('os.arch'))
 minecraft {
-//    mappings channel: 'parchment', version: "${parchment_version}-${minecraft_version}"
-    mappings channel: 'official', version: "${minecraft_version}"
+    mappings channel: 'parchment', version: "${parchment_version}-${minecraft_version}"
 
     runs {
         client {
@@ -114,8 +113,8 @@ dependencies {
     // switch to implementation for debugging
     compileOnly fg.deobf("maven.modrinth:starlight-forge:1.0.2+1.18.2")
 
-    compileOnly fg.deobf("maven.modrinth:rubidium:0.5.2a")
-    compileOnly fg.deobf("curse.maven:oculus-581495:3821406")
+    compileOnly fg.deobf("maven.modrinth:rubidium:0.6.1")
+    compileOnly fg.deobf("maven.modrinth:oculus:1.19-1.2.5a")
 
     // https://discord.com/channels/313125603924639766/725850371834118214/910619168821354497
     // Prevent Mixin annotation processor from getting into IntelliJ's annotation processor settings
diff --git a/gradle.properties b/gradle.properties
index ac6d2dace..52eec945d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,10 +3,10 @@ org.gradle.daemon = false
 
 # mod version info
 mod_version = 0.6.5
-artifact_minecraft_version = 1.19
+artifact_minecraft_version = 1.19.2
 
-minecraft_version = 1.19
-forge_version = 41.0.94
+minecraft_version = 1.19.2
+forge_version = 43.0.8
 
 # build dependency versions
 forgegradle_version = 5.1.53
@@ -14,7 +14,7 @@ mixingradle_version = 0.7-SNAPSHOT
 mixin_version = 0.8.5
 librarian_version = 1.+
 cursegradle_version = 1.4.0
-parchment_version = 2022.07.10
+parchment_version = 2022.08.10
 
 # curseforge info
 projectId = 486392
diff --git a/src/main/java/com/jozufozu/flywheel/backend/gl/GlStateTracker.java b/src/main/java/com/jozufozu/flywheel/backend/gl/GlStateTracker.java
index eec0a4cf8..22e7eabff 100644
--- a/src/main/java/com/jozufozu/flywheel/backend/gl/GlStateTracker.java
+++ b/src/main/java/com/jozufozu/flywheel/backend/gl/GlStateTracker.java
@@ -44,6 +44,10 @@ public class GlStateTracker {
 		public void restore() {
 			GlBufferType[] values = GlBufferType.values();
 
+			if (GlStateTracker.vao != 0) {
+				GlStateManager._glBindVertexArray(0);
+			}
+
 			for (int i = 0; i < values.length; i++) {
 				if (buffers[i] != GlStateTracker.buffers[i]) {
 					GlStateManager._glBindBuffer(values[i].glEnum, buffers[i]);
diff --git a/src/main/java/com/jozufozu/flywheel/core/PartialModel.java b/src/main/java/com/jozufozu/flywheel/core/PartialModel.java
index 526239b48..846c5cfbc 100644
--- a/src/main/java/com/jozufozu/flywheel/core/PartialModel.java
+++ b/src/main/java/com/jozufozu/flywheel/core/PartialModel.java
@@ -14,7 +14,7 @@ import net.minecraftforge.client.event.ModelEvent;
  * Creating a PartialModel will make the associated modelLocation automatically load.
  * PartialModels must be initialized during {@link net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent FMLClientSetupEvent}.
  * <br>
- * Once {@link ModelBakeEvent} finishes, all PartialModels (with valid modelLocations)
+ * Once {@link ModelEvent.BakingCompleted} finishes, all PartialModels (with valid modelLocations)
  * will have their bakedModel fields populated.
  * <br>
  * Attempting to create a PartialModel after ModelRegistryEvent will cause an error.
diff --git a/src/main/java/com/jozufozu/flywheel/core/model/BlockModel.java b/src/main/java/com/jozufozu/flywheel/core/model/BlockModel.java
index 158806e7a..63054a3ef 100644
--- a/src/main/java/com/jozufozu/flywheel/core/model/BlockModel.java
+++ b/src/main/java/com/jozufozu/flywheel/core/model/BlockModel.java
@@ -56,17 +56,10 @@ public class BlockModel implements Model {
 		this.name = name;
 
 		RenderedBuffer renderedBuffer = pair.first();
-		if (renderedBuffer == null) {
-			reader = null;
-			eboSupplier = () -> null;
-			return;
-		}
-
 		BufferBuilder.DrawState drawState = renderedBuffer.drawState();
-
 		reader = Formats.BLOCK.createReader(renderedBuffer, pair.second());
 
-		if (drawState.sequentialIndex()) {
+		if (!drawState.sequentialIndex()) {
 			ByteBuffer src = renderedBuffer.indexBuffer();
 			ByteBuffer indexBuffer = MemoryTracker.create(src.capacity());
 			MemoryUtil.memCopy(src, indexBuffer);
diff --git a/src/main/java/com/jozufozu/flywheel/core/model/ModelUtil.java b/src/main/java/com/jozufozu/flywheel/core/model/ModelUtil.java
index 57d8aaeea..4b58ba1e5 100644
--- a/src/main/java/com/jozufozu/flywheel/core/model/ModelUtil.java
+++ b/src/main/java/com/jozufozu/flywheel/core/model/ModelUtil.java
@@ -67,7 +67,7 @@ public class ModelUtil {
 			// FIXME: Unshaded indices
 			((BufferBuilderExtension) shadedBuilder).flywheel$appendBufferUnsafe(unshadedBuffer.vertexBuffer());
 		}
-		RenderedBuffer buffer = shadedBuilder.endOrDiscardIfEmpty();
+		RenderedBuffer buffer = shadedBuilder.end();
 		return Pair.of(buffer, unshadedStartVertex);
 	}
 
diff --git a/src/main/java/com/jozufozu/flywheel/core/vertex/BlockVertex.java b/src/main/java/com/jozufozu/flywheel/core/vertex/BlockVertex.java
index c9c465ca7..f65c59627 100644
--- a/src/main/java/com/jozufozu/flywheel/core/vertex/BlockVertex.java
+++ b/src/main/java/com/jozufozu/flywheel/core/vertex/BlockVertex.java
@@ -71,7 +71,7 @@ Vertex FLWCreateVertex() {
 		ByteBuffer vertexBuffer = renderedBuffer.vertexBuffer();
 
 		int vertexCount = drawState.vertexCount();
-		if (unshadedStartVertex > 0 && unshadedStartVertex < vertexCount) {
+		if (unshadedStartVertex >= 0 && unshadedStartVertex < vertexCount) {
 			return createReader(vertexBuffer, vertexCount, unshadedStartVertex);
 		} else {
 			return createReader(vertexBuffer, vertexCount);
diff --git a/src/main/java/com/jozufozu/flywheel/mixin/BufferUploaderMixin.java b/src/main/java/com/jozufozu/flywheel/mixin/BufferUploaderMixin.java
deleted file mode 100644
index 92058feb9..000000000
--- a/src/main/java/com/jozufozu/flywheel/mixin/BufferUploaderMixin.java
+++ /dev/null
@@ -1,30 +0,0 @@
-package com.jozufozu.flywheel.mixin;
-
-import javax.annotation.Nullable;
-
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-import com.jozufozu.flywheel.backend.gl.GlStateTracker;
-import com.mojang.blaze3d.vertex.BufferUploader;
-import com.mojang.blaze3d.vertex.VertexBuffer;
-import com.mojang.blaze3d.vertex.VertexFormat;
-
-@Mixin(BufferUploader.class)
-public class BufferUploaderMixin {
-
-	@Shadow
-	@Nullable
-	private static VertexBuffer lastImmediateBuffer;
-
-	@Inject(method = "reset", at = @At("HEAD"))
-	private static void stopBufferUploaderFromClearingBufferStateIfNothingIsBound(CallbackInfo ci) {
-		// Trust our tracker over BufferUploader's.
-		if (GlStateTracker.getVertexArray() == 0) {
-			lastImmediateBuffer = null;
-		}
-	}
-}
diff --git a/src/main/java/com/jozufozu/flywheel/mixin/LevelRendererMixin.java b/src/main/java/com/jozufozu/flywheel/mixin/LevelRendererMixin.java
index 497a81ee5..2d545d55b 100644
--- a/src/main/java/com/jozufozu/flywheel/mixin/LevelRendererMixin.java
+++ b/src/main/java/com/jozufozu/flywheel/mixin/LevelRendererMixin.java
@@ -16,7 +16,6 @@ import com.jozufozu.flywheel.core.crumbling.CrumblingRenderer;
 import com.jozufozu.flywheel.event.BeginFrameEvent;
 import com.jozufozu.flywheel.event.ReloadRenderersEvent;
 import com.jozufozu.flywheel.event.RenderLayerEvent;
-import com.mojang.blaze3d.vertex.BufferUploader;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.math.Matrix4f;
 
@@ -58,7 +57,7 @@ public class LevelRendererMixin {
 	 * This only gets injected if renderChunkLayer is not Overwritten
 	 */
 	@Group(name = "flywheel$renderLayer", min = 1, max = 2)
-	@Inject(at = @At(value = "INVOKE", target = "Lnet/minecraft/client/renderer/ShaderInstance;clear()V"), method = "renderChunkLayer")
+	@Inject(at = @At(value = "INVOKE", target = "Lnet/minecraft/util/profiling/ProfilerFiller;pop()V", ordinal = 1), method = "renderChunkLayer")
 	private void renderLayer(RenderType type, PoseStack stack, double camX, double camY, double camZ, Matrix4f p_172999_, CallbackInfo ci) {
 		flywheel$renderLayer(type, stack, camX, camY, camZ);
 		flywheel$LayerRendered = true;
@@ -74,7 +73,6 @@ public class LevelRendererMixin {
 			flywheel$renderLayer(type, stack, camX, camY, camZ);
 		}
 		flywheel$LayerRendered = false;
-		BufferUploader.reset();
 	}
 
 	@Unique
diff --git a/src/main/resources/META-INF/mods.toml b/src/main/resources/META-INF/mods.toml
index 9eedd54e7..7853aae43 100644
--- a/src/main/resources/META-INF/mods.toml
+++ b/src/main/resources/META-INF/mods.toml
@@ -1,5 +1,5 @@
 modLoader = "javafml"
-loaderVersion = "[41,)"
+loaderVersion = "[43,)"
 issueTrackerURL = "https://github.com/Jozufozu/Flywheel/issues"
 license = "MIT"
 
@@ -18,13 +18,13 @@ A modern engine for modded minecraft.'''
 [[dependencies.flywheel]]
 modId = "forge"
 mandatory = true
-versionRange = "[41.0.0,)"
+versionRange = "[43.0.0,)"
 ordering = "NONE"
 side = "CLIENT"
 
 [[dependencies.flywheel]]
 modId = "minecraft"
 mandatory = true
-versionRange = "[1.19,1.20)"
+versionRange = "[1.19.2,1.20)"
 ordering = "NONE"
 side = "CLIENT"
diff --git a/src/main/resources/flywheel.mixins.json b/src/main/resources/flywheel.mixins.json
index 284039b65..265b160c7 100644
--- a/src/main/resources/flywheel.mixins.json
+++ b/src/main/resources/flywheel.mixins.json
@@ -8,7 +8,6 @@
     "BlockEntityRenderDispatcherAccessor",
     "BlockEntityTypeMixin",
     "BufferBuilderMixin",
-    "BufferUploaderMixin",
     "CameraMixin",
     "instancemanage.ChunkRebuildHooksMixin",
     "instancemanage.ChunkRenderDispatcherAccessor",