diff --git a/src/main/java/com/fibermc/essentialcommands/commands/FlySpeedCommand.java b/src/main/java/com/fibermc/essentialcommands/commands/FlySpeedCommand.java
index d87ca002..6d446b63 100644
--- a/src/main/java/com/fibermc/essentialcommands/commands/FlySpeedCommand.java
+++ b/src/main/java/com/fibermc/essentialcommands/commands/FlySpeedCommand.java
@@ -57,7 +57,7 @@ public static void exec(ServerCommandSource source, ServerPlayerEntity target, i
 
         if (!Objects.equals(source.getPlayer(), target)) {
             ECText ecTextSource = ECText.access(source.getPlayer());
-            source.sendFeedback(() ->
+            source.sendFeedback(
                 ecTextSource.getText(
                     "cmd.fly.speed.feedback.update.other",
                     ecTextSource.accent(String.valueOf(oldFlySpeed)),
diff --git a/src/main/java/com/fibermc/essentialcommands/commands/ListCommandFactory.java b/src/main/java/com/fibermc/essentialcommands/commands/ListCommandFactory.java
index e959c9d8..1b9f7e05 100644
--- a/src/main/java/com/fibermc/essentialcommands/commands/ListCommandFactory.java
+++ b/src/main/java/com/fibermc/essentialcommands/commands/ListCommandFactory.java
@@ -38,7 +38,7 @@ public static <T> Command<ServerCommandSource> create(
             Collection<Entry<String, T>> suggestionsList = suggestionsProvider.getSuggestionList(context);
 
             context.getSource().sendFeedback(
-                getSuggestionText(responsePreText, commandExecText, suggestionsList, styleProvider),
+                getSuggestionText(responsePreText, commandExecText, suggestionsList, Entry::getKey, styleProvider),
                 CONFIG.BROADCAST_TO_OPS
             );
             return 0;
diff --git a/src/main/java/com/fibermc/essentialcommands/commands/RandomTeleportCommand.java b/src/main/java/com/fibermc/essentialcommands/commands/RandomTeleportCommand.java
index c76c8f84..26d6542a 100644
--- a/src/main/java/com/fibermc/essentialcommands/commands/RandomTeleportCommand.java
+++ b/src/main/java/com/fibermc/essentialcommands/commands/RandomTeleportCommand.java
@@ -23,7 +23,6 @@
 import com.mojang.brigadier.context.CommandContext;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
 
-import net.minecraft.block.BlockState;
 import net.minecraft.block.Material;
 import net.minecraft.command.CommandException;
 import net.minecraft.server.command.ServerCommandSource;
@@ -216,7 +215,7 @@ private static boolean isSafePosition(Chunk chunk, BlockPos pos, ExecutionContex
         }
 
         var material = chunk.getBlockState(pos).getMaterial();
-        return pos.getY() < maxY.get() && !material.isLiquid() && material != Material.FIRE;
+        return pos.getY() < ctx.topY && !material.isLiquid() && material != Material.FIRE;
     }
 
     public static Iterable<BlockPos.Mutable> getChunkCandidateBlocks(ChunkPos chunkPos) {
diff --git a/src/main/java/com/fibermc/essentialcommands/commands/helpers/HeightFindingStrategy.java b/src/main/java/com/fibermc/essentialcommands/commands/helpers/HeightFindingStrategy.java
index 50dce59d..97bdf56f 100644
--- a/src/main/java/com/fibermc/essentialcommands/commands/helpers/HeightFindingStrategy.java
+++ b/src/main/java/com/fibermc/essentialcommands/commands/helpers/HeightFindingStrategy.java
@@ -55,7 +55,7 @@ private static OptionalInt findYBottomUp(Chunk chunk, int x, int z) {
 
         while (mutablePos.getY() < topY) {
             bsHead3 = chunk.getBlockState(mutablePos.move(Direction.UP));
-            if (bsFeet1.isSolid() && bsBody2.isAir() && bsHead3.isAir()) { // If there is a floor block and space for player body+head
+            if (bsFeet1.getMaterial().isSolid() && bsBody2.isAir() && bsHead3.isAir()) { // If there is a floor block and space for player body+head
                 return OptionalInt.of(mutablePos.getY() - 1);
             }
 
@@ -67,7 +67,7 @@ private static OptionalInt findYBottomUp(Chunk chunk, int x, int z) {
     }
 
     public static int getChunkHighestNonEmptySectionYOffsetOrTopY(Chunk chunk) {
-        int i = chunk.getHighestNonEmptySection();
+        int i = chunk.getHighestNonEmptySection().getYOffset();
         return i == chunk.getTopY() ? chunk.getBottomY() : ChunkSectionPos.getBlockCoord(chunk.sectionIndexToCoord(i));
     }
 }
diff --git a/src/main/java/com/fibermc/essentialcommands/config/EssentialCommandsConfig.java b/src/main/java/com/fibermc/essentialcommands/config/EssentialCommandsConfig.java
index 0d3b8edc..c9e2d26b 100644
--- a/src/main/java/com/fibermc/essentialcommands/config/EssentialCommandsConfig.java
+++ b/src/main/java/com/fibermc/essentialcommands/config/EssentialCommandsConfig.java
@@ -88,7 +88,7 @@ public final class EssentialCommandsConfig extends Config<EssentialCommandsConfi
     @ConfigOption public final Option<Integer> RTP_MIN_RADIUS =         new Option<>("rtp_min_radius", RTP_RADIUS.getValue(), (String s) -> parseIntOrDefault(s, RTP_RADIUS.getValue()));
     @ConfigOption public final Option<Integer> RTP_COOLDOWN =           new Option<>("rtp_cooldown", 30, ConfigUtil::parseInt);
     @ConfigOption public final Option<Integer> RTP_MAX_ATTEMPTS =       new Option<>("rtp_max_attempts", 15, ConfigUtil::parseInt);
-    @ConfigOption public final Option<List<String>> RTP_ENABLED_WORLDS = new Option<>("rtp_enabled_worlds", List.of(World.OVERWORLD.getValue().getPath()), arrayParser(Object::toString));
+    @ConfigOption public final Option<List<String>> RTP_ENABLED_WORLDS = new Option<>("rtp_enabled_worlds", List.of("minecraft:overworld"), arrayParser(Object::toString));
     @ConfigOption public final Option<Boolean> BROADCAST_TO_OPS =       new Option<>("broadcast_to_ops", false, Boolean::parseBoolean);
     @ConfigOption public final Option<Boolean> NICK_REVEAL_ON_HOVER =   new Option<>("nick_reveal_on_hover", true, Boolean::parseBoolean);
     @ConfigOption public final Option<Boolean> GRANT_LOWEST_NUMERIC_BY_DEFAULT = new Option<>("grant_lowest_numeric_by_default", true, Boolean::parseBoolean);