diff --git a/HellionChat/FontManager.cs b/HellionChat/FontManager.cs
index 86d9495..79fcb6a 100644
--- a/HellionChat/FontManager.cs
+++ b/HellionChat/FontManager.cs
@@ -59,7 +59,7 @@ public sealed class FontManager : IDisposable
     private Func<ThemeTypography?>? _typographySource;
 
     // Lets RebuildDelegateFontsIfChanged skip rebuilds when the size is unchanged.
-    private (float Global, float Symbols) _lastBuiltFingerprint;
+    private (float Global, float Symbols, float Sender, float Meta, float Italic) _lastBuiltFingerprint;
 
     // True once every required atlas-owned handle reports Available. Components
     // gate their first-frame draw on this — without it the layout math would
@@ -216,8 +216,21 @@ public sealed class FontManager : IDisposable
             Plugin.Config.SymbolsFontSizeV2
         );
 
-    internal (float Global, float Symbols) EffectiveFontFingerprint() =>
-        (ResolveGlobalFontPt(), ResolveSymbolsFontPt());
+    // Every size that can land in one message row. Roles follow the base size
+    // arithmetically, but the resolved value is what the height cache has to key
+    // on -- a theme override moves the base without moving any factor.
+    internal (float Global, float Symbols, float Sender, float Meta, float Italic)
+        EffectiveFontFingerprint()
+    {
+        var basePt = ResolveGlobalFontPt();
+        return (
+            basePt,
+            ResolveSymbolsFontPt(),
+            TypeScale.SizePtOf(TypeRole.Sender, basePt),
+            TypeScale.SizePtOf(TypeRole.Meta, basePt),
+            Plugin.Config.ItalicFontV2.SizePt
+        );
+    }
 
     // Rebuilds only when the effective size changed (live fingerprint, TOCTOU-free).
     // The atlas rebuild must run on the framework/draw thread — callers ensure that.
diff --git a/HellionChat/Ui/Components/MessageList.cs b/HellionChat/Ui/Components/MessageList.cs
index e9fc90a..6024736 100644
--- a/HellionChat/Ui/Components/MessageList.cs
+++ b/HellionChat/Ui/Components/MessageList.cs
@@ -93,13 +93,25 @@ internal sealed class MessageList
     // Width is passed in (ContentRegionAvail is only valid inside the draw child);
     // enum modes widened to int so the record stays comparable. UiScale is in here
     // because it feeds CalcWordWrapPositionA -- a scale change rewraps every row.
+    //
+    // v1.13.0 added four axes that could always stale this cache and never did:
+    // the italic size (pushed mid-row by ChunkRenderer), ItalicEnabled (which
+    // swaps between two differently sized faces), FontsEnabled and UseHellionFont
+    // (both swap the face outright, and their two size fields default to the same
+    // 12.75f -- so the fingerprint did not move while the glyph widths did).
     private LayoutFingerprint BuildLayoutFingerprint(float contentWidth)
     {
-        var (global, symbols) = _fonts.EffectiveFontFingerprint();
+        var fonts = _fonts.EffectiveFontFingerprint();
         return new LayoutFingerprint(
-            global,
-            symbols,
+            fonts.Global,
+            fonts.Symbols,
+            fonts.Sender,
+            fonts.Meta,
+            fonts.Italic,
             Plugin.Config.UseCompactDensity,
+            Plugin.Config.FontsEnabled,
+            Plugin.Config.UseHellionFont,
+            Plugin.Config.ItalicEnabled,
             (int)Plugin.Config.NameFormMode,
             (int)Plugin.Config.WorldSuffixMode,
             contentWidth,
diff --git a/HellionChat/Util/LayoutFingerprint.cs b/HellionChat/Util/LayoutFingerprint.cs
index f6c6785..be2db40 100644
--- a/HellionChat/Util/LayoutFingerprint.cs
+++ b/HellionChat/Util/LayoutFingerprint.cs
@@ -5,7 +5,13 @@ namespace HellionChat.Util;
 internal readonly record struct LayoutFingerprint(
     float FontGlobal,
     float FontSymbols,
+    float FontSender,
+    float FontMeta,
+    float FontItalic,
     bool Compact,
+    bool FontsEnabled,
+    bool UseHellionFont,
+    bool ItalicEnabled,
     int NameForm,
     int WorldSuffix,
     float Width,
@@ -15,7 +21,8 @@ internal readonly record struct LayoutFingerprint(
     // Toggles: they land on a new value in one frame and stay there. Waiting on
     // them would leave the planner running against the previous density's
     // heights while the rows are already painted the new way.
-    internal (bool, int, int) Discrete => (Compact, NameForm, WorldSuffix);
+    internal (bool, bool, bool, bool, int, int) Discrete =>
+        (Compact, FontsEnabled, UseHellionFont, ItalicEnabled, NameForm, WorldSuffix);
 }
 
 // Dragging a window edge or the Dalamud UI-scale slider moves the continuous