diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/data/BiomeColors.java b/common/src/main/java/xyz/jpenilla/squaremap/common/data/BiomeColors.java
index 2506e2b5..d92cf86e 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/data/BiomeColors.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/data/BiomeColors.java
@@ -21,6 +21,7 @@
 import xyz.jpenilla.squaremap.common.util.Colors;
 import xyz.jpenilla.squaremap.common.util.chunksnapshot.ChunkSnapshot;
 
+// TODO(1.21.2): pale forest colors, general foliage colors (dark forest?)
 @DefaultQualifier(NonNull.class)
 public final class BiomeColors {
     private static final int BLOCKPOS_BIOME_CACHE_SIZE = 4096;
diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/task/render/AbstractRender.java b/common/src/main/java/xyz/jpenilla/squaremap/common/task/render/AbstractRender.java
index c6628bd2..c83ec3a2 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/task/render/AbstractRender.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/task/render/AbstractRender.java
@@ -342,7 +342,7 @@ private void scanTopRow(final Image image, final int[] lastY, final ChunkSnapsho
 
     private int effectiveMaxHeight(final ChunkSnapshot chunk) {
         return this.mapWorld.config().MAP_MAX_HEIGHT == -1
-            ? chunk.getMaxBuildHeight()
+            ? chunk.getMaxY()
             : this.mapWorld.config().MAP_MAX_HEIGHT;
     }
 
@@ -380,7 +380,7 @@ private int scanBlock(final ChunkSnapshot chunk, final int imgX, final int imgZ,
         final int topY = chunk.getHeight(Heightmap.Types.WORLD_SURFACE, imgX, imgZ) + 1;
         mutablePos.set(blockX, Math.min(topY, this.effectiveMaxHeight(chunk)), blockZ);
 
-        if (topY > chunk.getMinBuildHeight() + 1) {
+        if (topY > chunk.getMinY() + 1) {
             state = this.mapWorld.config().MAP_ITERATE_UP
                 ? this.iterateUp(chunk, mutablePos)
                 : this.iterateDown(chunk, mutablePos);
@@ -430,19 +430,19 @@ private BlockState iterateDown(final ChunkSnapshot chunk, final BlockPos.Mutable
             do {
                 mutablePos.move(Direction.DOWN);
                 state = chunk.getBlockState(mutablePos);
-            } while (!state.isAir() && mutablePos.getY() > chunk.getMinBuildHeight());
+            } while (!state.isAir() && mutablePos.getY() > chunk.getMinY());
         }
         do {
             mutablePos.move(Direction.DOWN);
             state = chunk.getBlockState(mutablePos);
-        } while ((this.mapWorld.getMapColor(state) == Colors.clearMapColor() || this.mapWorld.advanced().invisibleBlocks.contains(state.getBlock())) && mutablePos.getY() > chunk.getMinBuildHeight());
+        } while ((this.mapWorld.getMapColor(state) == Colors.clearMapColor() || this.mapWorld.advanced().invisibleBlocks.contains(state.getBlock())) && mutablePos.getY() > chunk.getMinY());
         return state;
     }
 
     private BlockState iterateUp(final ChunkSnapshot chunk, final BlockPos.MutableBlockPos mutablePos) {
         BlockState state;
         int height = mutablePos.getY();
-        mutablePos.setY(chunk.getMinBuildHeight());
+        mutablePos.setY(chunk.getMinY());
         if (chunk.dimensionType().hasCeiling()) {
             do {
                 mutablePos.move(Direction.UP);
@@ -456,7 +456,7 @@ private BlockState iterateUp(final ChunkSnapshot chunk, final BlockPos.MutableBl
         do {
             mutablePos.move(Direction.DOWN);
             state = chunk.getBlockState(mutablePos);
-        } while ((this.mapWorld.getMapColor(state) == Colors.clearMapColor() || this.mapWorld.advanced().invisibleBlocks.contains(state.getBlock())) && mutablePos.getY() > chunk.getMinBuildHeight());
+        } while ((this.mapWorld.getMapColor(state) == Colors.clearMapColor() || this.mapWorld.advanced().invisibleBlocks.contains(state.getBlock())) && mutablePos.getY() > chunk.getMinY());
         return state;
     }
 
@@ -477,7 +477,7 @@ private record DepthResult(int depth, BlockState state) {
     }
 
     private static @Nullable DepthResult findDepthIfFluid(final BlockPos blockPos, final BlockState state, final ChunkSnapshot chunk) {
-        if (blockPos.getY() > chunk.getMinBuildHeight() && !state.getFluidState().isEmpty()) {
+        if (blockPos.getY() > chunk.getMinY() && !state.getFluidState().isEmpty()) {
             BlockState fluidState;
             int fluidDepth = 0;
 
@@ -488,7 +488,7 @@ private record DepthResult(int depth, BlockState state) {
                 mutablePos.setY(yBelowSurface--);
                 fluidState = chunk.getBlockState(mutablePos);
                 ++fluidDepth;
-            } while (yBelowSurface > chunk.getMinBuildHeight() && fluidDepth <= 10 && !fluidState.getFluidState().isEmpty());
+            } while (yBelowSurface > chunk.getMinY() && fluidDepth <= 10 && !fluidState.getFluidState().isEmpty());
 
             return new DepthResult(fluidDepth, fluidState);
         }
diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/util/AbstractFluidColorExporter.java b/common/src/main/java/xyz/jpenilla/squaremap/common/util/AbstractFluidColorExporter.java
index 50435504..b7186803 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/util/AbstractFluidColorExporter.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/util/AbstractFluidColorExporter.java
@@ -19,6 +19,7 @@
 import org.spongepowered.configurate.yaml.YamlConfigurationLoader;
 import xyz.jpenilla.squaremap.common.data.DirectoryProvider;
 
+// TODO(1.21.2): test fabric & neoforge
 @DefaultQualifier(NonNull.class)
 public abstract class AbstractFluidColorExporter {
     private final DirectoryProvider directoryProvider;
@@ -29,8 +30,8 @@ protected AbstractFluidColorExporter(final DirectoryProvider directoryProvider)
 
     public final void export(final RegistryAccess registryAccess) {
         final Map<String, String> map = new HashMap<>();
-        registryAccess.registryOrThrow(Registries.BLOCK).holders().forEach(holder -> {
-            final Block block = holder.value();
+        registryAccess.lookupOrThrow(Registries.BLOCK).entrySet().forEach(entry -> {
+            final Block block = entry.getValue();
             final @Nullable Fluid fluid = this.fluid(block);
             if (fluid == null
                 || fluid == Fluids.WATER || fluid == Fluids.LAVA
@@ -39,7 +40,7 @@ public final void export(final RegistryAccess registryAccess) {
             }
             final @Nullable String color = this.color(fluid);
             if (color != null) {
-                map.put(holder.key().location().toString(), color);
+                map.put(entry.getKey().location().toString(), color);
             }
         });
 
diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/util/Util.java b/common/src/main/java/xyz/jpenilla/squaremap/common/util/Util.java
index 5c6278fd..ed7fe5c6 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/util/Util.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/util/Util.java
@@ -93,7 +93,7 @@ public static <T> T requireEntry(final Registry<T> registry, final ResourceLocat
         if (!registry.containsKey(location)) {
             throw new IllegalArgumentException("No such entry '" + location + "' in registry '" + registry.key() + "'");
         }
-        return requireNonNull(registry.get(location));
+        return requireNonNull(registry.getValue(location));
     }
 
     public static String levelConfigName(final ServerLevel level) {
@@ -124,7 +124,7 @@ public static Registry<Biome> biomeRegistry(final CommonLevelAccessor level) {
     }
 
     public static Registry<Biome> biomeRegistry(final RegistryAccess registryAccess) {
-        return registryAccess.registryOrThrow(Registries.BIOME);
+        return registryAccess.lookupOrThrow(Registries.BIOME);
     }
 
     public static @Nullable Manifest manifest(final Class<?> clazz) {
diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshot.java b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshot.java
index 2d137d17..972f4739 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshot.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshot.java
@@ -36,7 +36,7 @@ public interface ChunkSnapshot extends LevelHeightAccessor, BiomeManager.NoiseBi
 
     @SuppressWarnings({"unchecked", "rawtypes"})
     static ChunkSnapshot snapshot(final Level level, final ChunkAccess chunk, final boolean biomesOnly) {
-        final LevelHeightAccessor heightAccessor = LevelHeightAccessor.create(chunk.getMinBuildHeight(), chunk.getHeight());
+        final LevelHeightAccessor heightAccessor = LevelHeightAccessor.create(chunk.getMinY(), chunk.getHeight());
         final int sectionCount = heightAccessor.getSectionsCount();
         final LevelChunkSection[] sections = chunk.getSections();
         final PalettedContainer<BlockState>[] states = new PalettedContainer[sectionCount];
diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshotImpl.java b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshotImpl.java
index 0ab9de61..568d8755 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshotImpl.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/ChunkSnapshotImpl.java
@@ -78,8 +78,8 @@ public int getHeight() {
     }
 
     @Override
-    public int getMinBuildHeight() {
-        return this.heightAccessor.getMinBuildHeight();
+    public int getMinY() {
+        return this.heightAccessor.getMinY();
     }
 
     @Override
@@ -89,7 +89,7 @@ public boolean sectionEmpty(final int sectionIndex) {
 
     @Override
     public Holder<Biome> getNoiseBiome(final int quartX, final int quartY, final int quartZ) {
-        final int minQuartY = QuartPos.fromBlock(this.getMinBuildHeight());
+        final int minQuartY = QuartPos.fromBlock(this.getMinY());
         final int maxQuartY = minQuartY + QuartPos.fromBlock(this.getHeight()) - 1;
         final int clampedQuartY = Mth.clamp(quartY, minQuartY, maxQuartY);
         final int sectionIndex = this.getSectionIndex(QuartPos.toBlock(clampedQuartY));
diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/HeightmapSnapshot.java b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/HeightmapSnapshot.java
index 76d8ef71..502c56d5 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/HeightmapSnapshot.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/HeightmapSnapshot.java
@@ -29,7 +29,7 @@ public int getFirstAvailable(final int x, final int z) {
     }
 
     private int getFirstAvailable(final int index) {
-        return this.data.get(index) + this.heightAccessor.getMinBuildHeight();
+        return this.data.get(index) + this.heightAccessor.getMinY();
     }
 
     private static int getIndex(final int x, final int z) {
diff --git a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/VanillaChunkSnapshotProvider.java b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/VanillaChunkSnapshotProvider.java
index cb098873..a1eb0072 100644
--- a/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/VanillaChunkSnapshotProvider.java
+++ b/common/src/main/java/xyz/jpenilla/squaremap/common/util/chunksnapshot/VanillaChunkSnapshotProvider.java
@@ -128,6 +128,6 @@ private static boolean preHeightChangeFullChunk(final CompoundTag chunkTag) {
         if (targetStatus == null) {
             return false;
         }
-        return BuiltInRegistries.CHUNK_STATUS.get(targetStatus).isOrAfter(ChunkStatus.SPAWN);
+        return BuiltInRegistries.CHUNK_STATUS.getValue(targetStatus).isOrAfter(ChunkStatus.SPAWN);
     }
 }
diff --git a/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/FabricFluidColorExporter.java b/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/FabricFluidColorExporter.java
index 65778e59..dd952544 100644
--- a/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/FabricFluidColorExporter.java
+++ b/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/FabricFluidColorExporter.java
@@ -45,17 +45,17 @@ public static int color(final Fluid fluid, final FluidRenderHandler renderHandle
         final ColorBlender blender = new ColorBlender();
         for (int i = 0; i < sprite.contents().width(); i++) {
             for (int h = 0; h < sprite.contents().height(); h++) {
-                final int rgba = ((SpriteContentsExtension) sprite.contents()).getPixelRGBA(i, h);
+                final int rgba = ((SpriteContentsExtension) sprite.contents()).getPixel(i, h);
                 blender.addColor(rgba);
             }
         }
         return color(
-            Colors.abgrToArgb(blender.result()),
+            blender.result(),
             renderHandler.getFluidColor(null, null, fluid.defaultFluidState())
         );
     }
 
     public interface SpriteContentsExtension {
-        int getPixelRGBA(int x, int y);
+        int getPixel(int x, int y);
     }
 }
diff --git a/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/ServerPlayerMixin.java b/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/ServerPlayerMixin.java
index 281a0ac4..db111b68 100644
--- a/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/ServerPlayerMixin.java
+++ b/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/ServerPlayerMixin.java
@@ -2,7 +2,6 @@
 
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.Entity;
-import net.minecraft.world.level.portal.DimensionTransition;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -12,14 +11,14 @@
 @Mixin(ServerPlayer.class)
 abstract class ServerPlayerMixin {
     @Inject(
-        method = "changeDimension",
+        method = "teleport(Lnet/minecraft/world/level/portal/TeleportTransition;)Lnet/minecraft/server/level/ServerPlayer;",
         at = @At(
             value = "INVOKE",
             target = "Lnet/minecraft/server/players/PlayerList;sendLevelInfo(Lnet/minecraft/server/level/ServerPlayer;Lnet/minecraft/server/level/ServerLevel;)V",
             shift = At.Shift.AFTER
         )
     )
-    void injectChangeDimension(DimensionTransition dimensionTransition, CallbackInfoReturnable<Entity> cir) {
+    void injectChangeDimension(final CallbackInfoReturnable<Entity> cir) {
         ServerPlayerEvents.WORLD_CHANGED.invoker().worldChanged((ServerPlayer) (Object) this);
     }
 }
diff --git a/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/SpriteContentsMixin.java b/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/SpriteContentsMixin.java
index d8026631..9992b66d 100644
--- a/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/SpriteContentsMixin.java
+++ b/fabric/src/main/java/xyz/jpenilla/squaremap/fabric/mixin/SpriteContentsMixin.java
@@ -12,8 +12,8 @@ abstract class SpriteContentsMixin implements FabricFluidColorExporter.SpriteCon
     @Shadow @Final private NativeImage originalImage;
 
     @Override
-    public int getPixelRGBA(final int x, final int y) {
+    public int getPixel(final int x, final int y) {
         // always gets from frame 0 of animated texture
-        return this.originalImage.getPixelRGBA(x, y);
+        return this.originalImage.getPixel(x, y);
     }
 }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index df7f74f7..dcc97dad 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ hangar-publish = { id = "io.papermc.hangar-publish-plugin", version = "0.1.2" }
 javadoc-links = { id = "org.incendo.cloud-build-logic.javadoc-links", version = "0.0.15" }
 
 [versions]
-minecraft = "1.21.1"
+minecraft = "1.21.2"
 checkerQual = "3.48.0"
 cloud = "2.0.0"
 cloudMinecraft = "2.0.0-beta.10"
@@ -17,14 +17,14 @@ configurate = "4.1.2"
 adventure = "4.17.0"
 examination = "1.3.0"
 option = "1.0.0"
-adventurePlatformMod = "6.0.0"
+adventurePlatformMod = "6.1.0-SNAPSHOT"
 paperApi = "1.20.2-R0.1-SNAPSHOT"
 bStats = "3.1.0"
-fabricApi = "0.105.0+1.21.1"
+fabricApi = "0.106.1+1.21.2"
 fabricLoader = "0.16.7"
 cardinalComponents = "6.1.1"
 guice = "7.0.0"
-neoforge = "21.1.68"
+neoforge = "21.2.0-beta"
 htmlSanitizer = "20240325.1"
 
 # buildSrc
@@ -33,7 +33,7 @@ sponge-gradle = "2.2.0"
 shadow = "8.3.0"
 vanillaGradle = "0.2.1-SNAPSHOT"
 mod-publish-plugin = "0.7.4"
-loom = "1.7-SNAPSHOT"
+loom = "1.7.298"
 paperweight = "1.7.3"
 
 [libraries]
diff --git a/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/ForgeFluidColorExporter.java b/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/ForgeFluidColorExporter.java
index b0a16661..bbe3e68c 100644
--- a/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/ForgeFluidColorExporter.java
+++ b/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/ForgeFluidColorExporter.java
@@ -47,6 +47,6 @@ public static int color(final FluidType fluidType) {
                 blender.addColor(rgba);
             }
         }
-        return color(Colors.abgrToArgb(blender.result()), ext.getTintColor());
+        return color(blender.result(), ext.getTintColor());
     }
 }
diff --git a/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/event/ForgeMapUpdates.java b/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/event/ForgeMapUpdates.java
index 761a4067..e0c7baa9 100644
--- a/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/event/ForgeMapUpdates.java
+++ b/neoforge/src/main/java/xyz/jpenilla/squaremap/forge/event/ForgeMapUpdates.java
@@ -63,9 +63,11 @@ public void register() {
             if (!(event.getLevel() instanceof ServerLevel level)) {
                 return;
             }
+            /* TODO: getAffectedBlocks not yet implemented in 1.21.2
             for (final BlockPos affectedBlock : event.getAffectedBlocks()) {
                 this.markBlock(level, affectedBlock);
             }
+             */
         });
         NeoForge.EVENT_BUS.addListener(EventPriority.LOWEST, false, (BlockGrowFeatureEvent event) -> {
             if (!(event.getLevel() instanceof ServerLevel level)) {
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 23c8f2e1..1e477c5e 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -21,8 +21,8 @@ rootProject.name = "squaremap"
 
 setupSubproject("api")
 setupSubproject("common")
-setupSubproject("paper")
-include(":squaremap-paper:folia")
+//setupSubproject("paper")
+//include(":squaremap-paper:folia")
 setupSubproject("fabric")
 setupSubproject("neoforge")
 setupSubproject("sponge")