diff --git a/i18n/src/main/kotlin/dev/kordex/i18n/Bundle.kt b/i18n/src/main/kotlin/dev/kordex/i18n/Bundle.kt
index 5dc80b3..36c2f80 100644
--- a/i18n/src/main/kotlin/dev/kordex/i18n/Bundle.kt
+++ b/i18n/src/main/kotlin/dev/kordex/i18n/Bundle.kt
@@ -25,6 +25,10 @@ public data class Bundle(
 	@Transient
 	val classLoader: ClassLoader = ClassLoaderRegistry.getForBundle(name),
 ) {
+	init {
+		ClassLoaderRegistry.register(this)
+	}
+
 	public fun getResourceBundleControl(): ResourceBundle.Control =
 		FileFormatRegistry.getOrError(fileFormat)
 
diff --git a/i18n/src/main/kotlin/dev/kordex/i18n/Translations.kt b/i18n/src/main/kotlin/dev/kordex/i18n/Translations.kt
index 270c7e9..aa7e90a 100644
--- a/i18n/src/main/kotlin/dev/kordex/i18n/Translations.kt
+++ b/i18n/src/main/kotlin/dev/kordex/i18n/Translations.kt
@@ -17,26 +17,26 @@ public object Translations {
 	private val bundleLocaleCache: MutableMap<Pair<String, Locale>, ResourceBundle> = mutableMapOf()
 
 	/** Check whether the given [Key] exists. **/
-	public fun hasKey(key: Key): Boolean {
-		val (key, bundle, locale) = key
+	public fun hasKey(keyObj: Key): Boolean {
+		val (key, bundle, locale) = keyObj
 
 		return try {
-			val (bundle, _) = getBundles(
+			val (rootBundle, _) = getBundles(
 				bundle ?: I18n.defaultBundle,
 				locale ?: I18n.defaultLocale,
 			)
 
-			bundle.keySet().contains(key)
+			rootBundle.keySet().contains(key)
 		} catch (e: MissingResourceException) {
-			logger.trace(e) { "Failed to get $bundle for locale $locale" }
+			logger.trace(e) { "Failed to find $key" }
 
 			false
 		}
 	}
 
 	/** Get the untranslated string for the given [Key]. **/
-	public fun get(key: Key): String {
-		val (key, bundle, locale) = key
+	public fun get(keyObj: Key): String {
+		val (key, bundle, locale) = keyObj
 
 		val (baseBundle, overrideBundle) = getBundles(
 			bundle ?: I18n.defaultBundle,
@@ -144,6 +144,7 @@ public object Translations {
 			bundle.getResourceBundleControl()
 		)
 
+	@Suppress("DEPRECATION")  // Locale constructor, for compatibility with Java versions older than 19.
 	private fun getBundles(bundle: Bundle, locale: Locale): Pair<ResourceBundle, ResourceBundle?> {
 		// First, let's make sure the bundle is valid. If these throw, it isn't valid.
 		bundle.getResourceBundleControl()
diff --git a/i18n/src/main/kotlin/dev/kordex/i18n/registries/ClassLoaderRegistry.kt b/i18n/src/main/kotlin/dev/kordex/i18n/registries/ClassLoaderRegistry.kt
index 356de9e..3df39f5 100644
--- a/i18n/src/main/kotlin/dev/kordex/i18n/registries/ClassLoaderRegistry.kt
+++ b/i18n/src/main/kotlin/dev/kordex/i18n/registries/ClassLoaderRegistry.kt
@@ -7,18 +7,31 @@
 package dev.kordex.i18n.registries
 
 import dev.kordex.i18n.Bundle
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
 
 public object ClassLoaderRegistry {
+	private val logger: KLogger = KotlinLogging.logger { }
 	private val bundleCache = mutableMapOf<String, ClassLoader>()
 
 	public fun getForBundle(bundle: String): ClassLoader =
-		bundleCache.getOrPut(bundle) { ClassLoader.getSystemClassLoader() }
+		bundleCache[bundle] ?: ClassLoader.getSystemClassLoader()
 
-	public fun register(bundle: String, classLoader: ClassLoader) {
-		bundleCache.put(bundle, classLoader)
-	}
+	public fun getForBundle(bundle: Bundle): ClassLoader =
+		getForBundle(bundle.name)
+
+	public fun register(bundle: String, classLoader: ClassLoader): Boolean {
+		if (bundle !in bundleCache) {
+			bundleCache[bundle] = classLoader
+
+			logger.trace { "Registered classloader $classLoader for bundle $bundle" }
 
-	public fun register(bundle: Bundle) {
-		bundleCache.put(bundle.name, bundle.classLoader)
+			return true
+		}
+
+		return false
 	}
+
+	public fun register(bundle: Bundle): Boolean =
+		register(bundle.name, bundle.classLoader)
 }
diff --git a/i18n/src/main/kotlin/dev/kordex/i18n/registries/FileFormatRegistry.kt b/i18n/src/main/kotlin/dev/kordex/i18n/registries/FileFormatRegistry.kt
index 83ad2f3..42e7c45 100644
--- a/i18n/src/main/kotlin/dev/kordex/i18n/registries/FileFormatRegistry.kt
+++ b/i18n/src/main/kotlin/dev/kordex/i18n/registries/FileFormatRegistry.kt
@@ -8,9 +8,12 @@ package dev.kordex.i18n.registries
 
 import dev.akkinoc.util.YamlResourceBundle
 import dev.kordex.i18n.files.PropertiesControl
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
 import java.util.ResourceBundle
 
 public object FileFormatRegistry {
+	private val logger: KLogger = KotlinLogging.logger { }
 	private val formats: MutableMap<String, ResourceBundle.Control> = mutableMapOf()
 
 	init {
@@ -27,5 +30,7 @@ public object FileFormatRegistry {
 
 	public fun register(identifier: String, control: ResourceBundle.Control) {
 		formats[identifier] = control
+
+		logger.trace { "Registered file format \"$identifier\" to control $control" }
 	}
 }
diff --git a/i18n/src/main/kotlin/dev/kordex/i18n/registries/MessageFormatRegistry.kt b/i18n/src/main/kotlin/dev/kordex/i18n/registries/MessageFormatRegistry.kt
index 870f8ec..9c7771a 100644
--- a/i18n/src/main/kotlin/dev/kordex/i18n/registries/MessageFormatRegistry.kt
+++ b/i18n/src/main/kotlin/dev/kordex/i18n/registries/MessageFormatRegistry.kt
@@ -9,8 +9,11 @@ package dev.kordex.i18n.registries
 import dev.kordex.i18n.messages.MessageFormat
 import dev.kordex.i18n.messages.formats.ICUFormatV1
 import dev.kordex.i18n.messages.formats.ICUFormatV2
+import io.github.oshai.kotlinlogging.KLogger
+import io.github.oshai.kotlinlogging.KotlinLogging
 
 public object MessageFormatRegistry {
+	private val logger: KLogger = KotlinLogging.logger { }
 	private val formats: MutableMap<String, MessageFormat> = mutableMapOf()
 
 	init {
@@ -27,5 +30,7 @@ public object MessageFormatRegistry {
 
 	public fun register(format: MessageFormat) {
 		formats[format.identifier] = format
+
+		logger.trace { "Registered message format \"${format.identifier}\" - $format" }
 	}
 }