diff --git a/HellionChat/Configuration.cs b/HellionChat/Configuration.cs
index af49a91..0d4b41d 100755
--- a/HellionChat/Configuration.cs
+++ b/HellionChat/Configuration.cs
@@ -34,7 +34,7 @@ public class ConfigKeyBind
 [Serializable]
 public class Configuration : IPluginConfiguration
 {
-    private const int LatestVersion = 18;
+    private const int LatestVersion = 19;
 
     public int Version { get; set; } = LatestVersion;
 
diff --git a/HellionChat/Plugin.cs b/HellionChat/Plugin.cs
index cbb1679..2699afc 100755
--- a/HellionChat/Plugin.cs
+++ b/HellionChat/Plugin.cs
@@ -200,11 +200,11 @@ public sealed class Plugin : IAsyncDalamudPlugin
         // do not touch either static, so the brief null-window is safe.
 
         // Schema gate: v1.4.x+ requires config v16+. Users on older schemas
-        // must install v1.4.2 first to run the migration chain. v18 adds the
-        // per-tab EnableNotificationSound + NotificationSoundId fields and the
-        // top-level NotifyFailedTell flag, all additive with defaults, so
-        // v16/v17 configs load cleanly and get their Version stamp bumped
-        // after the gate.
+        // must install v1.4.2 first to run the migration chain. v19 adds the
+        // per-tab MessageRegex field (UI-8) and the top-level CustomSoundVolume,
+        // WindowOpacityInactive, WorldSuffixMode and NameFormMode fields — all
+        // additive with defaults, so v16-v18 configs load cleanly and get their
+        // Version stamp bumped after the gate.
         if (Config.Version < 16)
         {
             throw new InvalidOperationException(
@@ -212,7 +212,7 @@ public sealed class Plugin : IAsyncDalamudPlugin
                     + "Please install v1.4.2 first to migrate the configuration, then upgrade to v1.4.10."
             );
         }
-        Config.Version = 18;
+        Config.Version = 19;
 
         // Unpinned TempTabs are session-only and dropped on every load. Pinned
         // TempTabs survive reload — Jin's tester feedback (v1.4.7).