diff --git a/gradle.properties b/gradle.properties
index c196ba8d..01363aa3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
-version = 4.1.4 b75
+version = 4.1.4.1 b78
 description = The Ultimate RPG Mob Levelling Solution
\ No newline at end of file
diff --git a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/commands/subcommands/SpawnerEggCommand.kt b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/commands/subcommands/SpawnerEggCommand.kt
index d386da2f..3de66ef7 100644
--- a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/commands/subcommands/SpawnerEggCommand.kt
+++ b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/commands/subcommands/SpawnerEggCommand.kt
@@ -68,6 +68,7 @@ object SpawnerEggCommand : SpawnerBaseClass() {
         sender: CommandSender,
         input: String
     ){
+        this.commandSender = sender
         val args = Utils.splitStringWithQuotes(input)
 
         var hasGivePlayer = false
diff --git a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/managers/LevelManager.kt b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/managers/LevelManager.kt
index f249867f..a3565c8f 100644
--- a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/managers/LevelManager.kt
+++ b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/managers/LevelManager.kt
@@ -1481,7 +1481,12 @@ class LevelManager : LevelInterface2 {
                 Addition.ATTRIBUTE_MAX_HEALTH -> attribute = Attribute.GENERIC_MAX_HEALTH
                 Addition.ATTRIBUTE_ATTACK_DAMAGE -> attribute = Attribute.GENERIC_ATTACK_DAMAGE
                 Addition.ATTRIBUTE_MOVEMENT_SPEED -> attribute = Attribute.GENERIC_MOVEMENT_SPEED
-                Addition.ATTRIBUTE_HORSE_JUMP_STRENGTH -> attribute = Attribute.GENERIC_JUMP_STRENGTH
+                Addition.ATTRIBUTE_HORSE_JUMP_STRENGTH -> {
+                    attribute = if (LevelledMobs.instance.ver.useNewHorseJumpAttrib)
+                        Attribute.GENERIC_JUMP_STRENGTH
+                    else
+                        Attribute.valueOf("HORSE_JUMP_STRENGTH")
+                }
                 Addition.ATTRIBUTE_ARMOR_BONUS -> attribute = Attribute.GENERIC_ARMOR
                 Addition.ATTRIBUTE_ARMOR_TOUGHNESS -> attribute = Attribute.GENERIC_ARMOR_TOUGHNESS
                 Addition.ATTRIBUTE_KNOCKBACK_RESISTANCE -> attribute = Attribute.GENERIC_KNOCKBACK_RESISTANCE
@@ -2022,7 +2027,7 @@ class LevelManager : LevelInterface2 {
 
         if (lmEntity.livingEntity is Zombie)
             attribs.add(Addition.ATTRIBUTE_ZOMBIE_SPAWN_REINFORCEMENTS)
-        else if (main.ver.minorVersion >= 20 && lmEntity.livingEntity is Horse)
+        else if (main.ver.useNewHorseJumpAttrib && lmEntity.livingEntity is Horse)
             attribs.add(Addition.ATTRIBUTE_HORSE_JUMP_STRENGTH)
 
         main.levelManager.applyLevelledAttributes(lmEntity, attribs, nbtDatas)
diff --git a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/nametag/ServerVersionInfo.kt b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/nametag/ServerVersionInfo.kt
index 84aa6f25..fa91bc9d 100644
--- a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/nametag/ServerVersionInfo.kt
+++ b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/nametag/ServerVersionInfo.kt
@@ -32,6 +32,8 @@ class ServerVersionInfo {
     private var isOneTwentyFiveOrNewer = false
     var useOldEnums = false
         private set
+    var useNewHorseJumpAttrib = false
+        private set
 
     // preliminary fabric support. not entirely there yet
     private var _isRunningFabric: Boolean? = null
@@ -55,6 +57,8 @@ class ServerVersionInfo {
 
         // 1.21.3 changed various enums to interfaces
         useOldEnums = minorVersion < 21 || minorVersion == 21 && revision < 3
+
+        useNewHorseJumpAttrib = minorVersion >= 21 || (minorVersion == 20 && revision >= 6)
     }
 
     private fun parsePaperVersion(){
diff --git a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/rules/RuleInfo.kt b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/rules/RuleInfo.kt
index 8a493e66..7b2e885d 100644
--- a/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/rules/RuleInfo.kt
+++ b/levelledmobs-plugin/src/main/kotlin/io/github/arcaneplugins/levelledmobs/rules/RuleInfo.kt
@@ -134,11 +134,11 @@ class RuleInfo(
     var mobNBTData: MergeableStringList? = null
     @field:RuleFieldInfo("skylight level", RuleType.CONDITION)
     var conditionsSkyLightLevel: MinAndMax? = null
-    @field:RuleFieldInfo("allowed worlds", RuleType.CONDITION)
+    @field:RuleFieldInfo("worlds", RuleType.CONDITION)
     var conditionsWorlds: CachedModalList<String>? = null
-    @field:RuleFieldInfo("allowed entities", RuleType.CONDITION)
+    @field:RuleFieldInfo("entities", RuleType.CONDITION)
     var conditionsEntities: CachedModalList<String>? = null
-    @field:RuleFieldInfo("allowed biomes", RuleType.CONDITION)
+    @field:RuleFieldInfo("biomes", RuleType.CONDITION)
     var conditionsBiomes: CachedModalList<Biome>? = null
     @field:RuleFieldInfo("external plugins", RuleType.CONDITION)
     var conditionsExternalPlugins: CachedModalList<String>? = null