diff --git a/css/dist/ReadMe.md b/css/dist/ReadMe.md
index db11328..a872609 100644
--- a/css/dist/ReadMe.md
+++ b/css/dist/ReadMe.md
@@ -25,6 +25,7 @@ Finally, page progression is impacted:
 Disabled user settings: 
 
 - `hyphens`;
+- a11y text normalization (`a11yNormalize`);
 - `letter-spacing`.
 
 ## CJK
@@ -48,6 +49,7 @@ Disabled user settings:
 
 - `text-align`;
 - `hyphens`;
+- a11y text normalization (`a11yNormalize`);
 - `ligatures`;
 - paragraphs’ indent;
 - `word-spacing`.
@@ -85,6 +87,7 @@ Disabled user settings:
 - `column-count` (number of columns);
 - `text-align`;
 - `hyphens`;
+- a11y text normalization (`a11yNormalize`);
 - `ligatures`;
 - paragraphs’ indent;
 - `word-spacing`.
diff --git a/css/dist/ReadiumCSS-after.css b/css/dist/ReadiumCSS-after.css
index fd6453b..93ef8b4 100644
--- a/css/dist/ReadiumCSS-after.css
+++ b/css/dist/ReadiumCSS-after.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/ReadiumCSS-before.css b/css/dist/ReadiumCSS-before.css
index c9c02ff..0d37448 100644
--- a/css/dist/ReadiumCSS-before.css
+++ b/css/dist/ReadiumCSS-before.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/ReadiumCSS-default.css b/css/dist/ReadiumCSS-default.css
index b132bcb..2b17915 100644
--- a/css/dist/ReadiumCSS-default.css
+++ b/css/dist/ReadiumCSS-default.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/cjk-horizontal/ReadiumCSS-after.css b/css/dist/cjk-horizontal/ReadiumCSS-after.css
index 47face3..0151201 100644
--- a/css/dist/cjk-horizontal/ReadiumCSS-after.css
+++ b/css/dist/cjk-horizontal/ReadiumCSS-after.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/cjk-horizontal/ReadiumCSS-before.css b/css/dist/cjk-horizontal/ReadiumCSS-before.css
index c9c02ff..0d37448 100644
--- a/css/dist/cjk-horizontal/ReadiumCSS-before.css
+++ b/css/dist/cjk-horizontal/ReadiumCSS-before.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/cjk-horizontal/ReadiumCSS-default.css b/css/dist/cjk-horizontal/ReadiumCSS-default.css
index 4f5d77d..20c1dcc 100644
--- a/css/dist/cjk-horizontal/ReadiumCSS-default.css
+++ b/css/dist/cjk-horizontal/ReadiumCSS-default.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/cjk-vertical/ReadiumCSS-after.css b/css/dist/cjk-vertical/ReadiumCSS-after.css
index db61ce7..1848a01 100644
--- a/css/dist/cjk-vertical/ReadiumCSS-after.css
+++ b/css/dist/cjk-vertical/ReadiumCSS-after.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/cjk-vertical/ReadiumCSS-before.css b/css/dist/cjk-vertical/ReadiumCSS-before.css
index cbef3ce..587acbe 100644
--- a/css/dist/cjk-vertical/ReadiumCSS-before.css
+++ b/css/dist/cjk-vertical/ReadiumCSS-before.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/cjk-vertical/ReadiumCSS-default.css b/css/dist/cjk-vertical/ReadiumCSS-default.css
index dd9f306..7a12e16 100644
--- a/css/dist/cjk-vertical/ReadiumCSS-default.css
+++ b/css/dist/cjk-vertical/ReadiumCSS-default.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/rtl/ReadiumCSS-after.css b/css/dist/rtl/ReadiumCSS-after.css
index 4ad7865..806c058 100644
--- a/css/dist/rtl/ReadiumCSS-after.css
+++ b/css/dist/rtl/ReadiumCSS-after.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/rtl/ReadiumCSS-before.css b/css/dist/rtl/ReadiumCSS-before.css
index c9c02ff..0d37448 100644
--- a/css/dist/rtl/ReadiumCSS-before.css
+++ b/css/dist/rtl/ReadiumCSS-before.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/rtl/ReadiumCSS-default.css b/css/dist/rtl/ReadiumCSS-default.css
index e90c38a..4966054 100644
--- a/css/dist/rtl/ReadiumCSS-default.css
+++ b/css/dist/rtl/ReadiumCSS-default.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/dist/webPub/ReadiumCSS-webPub.css b/css/dist/webPub/ReadiumCSS-webPub.css
index 9a5d871..15d6cdb 100644
--- a/css/dist/webPub/ReadiumCSS-webPub.css
+++ b/css/dist/webPub/ReadiumCSS-webPub.css
@@ -1,5 +1,5 @@
 /*!
- * Readium CSS v.2.0.3
+ * Readium CSS v.2.0.4
  * Copyright (c) 2017–2026. Readium Foundation. All rights reserved.
  * Use of this source code is governed by a BSD-style license which is detailed in the
  * LICENSE file present in the project repository where this source code is maintained.
diff --git a/css/vars/CSS-Variables.md b/css/vars/CSS-Variables.md
index c6fe3bb..23b90c7 100644
--- a/css/vars/CSS-Variables.md
+++ b/css/vars/CSS-Variables.md
@@ -82,9 +82,9 @@ User settings vary by stylesheet variant. Each name below maps to a `--USER__` C
 | Variant | Disabled | Added |
 | --- | --- | --- |
 | `default` | — | — |
-| `rtl` | `--USER__bodyHyphens`, `--USER__letterSpacing` | — |
-| `cjk-horizontal` | `--USER__textAlign`, `--USER__bodyHyphens`, `--USER__ligatures`, `--USER__paraIndent`, `--USER__wordSpacing` | `--USER__noRuby` |
-| `cjk-vertical` | `--USER__colCount`, `--USER__textAlign`, `--USER__bodyHyphens`, `--USER__ligatures`, `--USER__paraIndent`, `--USER__wordSpacing` | `--USER__noRuby` |
+| `rtl` | `--USER__bodyHyphens`, `--USER__a11yNormalize`, `--USER__letterSpacing` | — |
+| `cjk-horizontal` | `--USER__textAlign`, `--USER__bodyHyphens`, `--USER__a11yNormalize`, `--USER__ligatures`, `--USER__paraIndent`, `--USER__wordSpacing` | `--USER__noRuby` |
+| `cjk-vertical` | `--USER__colCount`, `--USER__textAlign`, `--USER__bodyHyphens`, `--USER__a11yNormalize`, `--USER__ligatures`, `--USER__paraIndent`, `--USER__wordSpacing` | `--USER__noRuby` |
 
 ## Experiments
 
diff --git a/css/vars/settings.json b/css/vars/settings.json
index 37f02ca..ad620eb 100644
--- a/css/vars/settings.json
+++ b/css/vars/settings.json
@@ -4,15 +4,15 @@
     "added": []
   },
   "rtl": {
-    "disabled": ["bodyHyphens", "letterSpacing"],
+    "disabled": ["bodyHyphens", "a11yNormalize", "letterSpacing"],
     "added": []
   },
   "cjk-horizontal": {
-    "disabled": ["textAlign", "bodyHyphens", "ligatures", "paraIndent", "wordSpacing"],
+    "disabled": ["textAlign", "bodyHyphens", "a11yNormalize", "ligatures", "paraIndent", "wordSpacing"],
     "added": ["noRuby"]
   },
   "cjk-vertical": {
-    "disabled": ["colCount", "textAlign", "bodyHyphens", "ligatures", "paraIndent", "wordSpacing"],
+    "disabled": ["colCount", "textAlign", "bodyHyphens", "a11yNormalize", "ligatures", "paraIndent", "wordSpacing"],
     "added": ["noRuby"]
   }
 }
diff --git a/package.json b/package.json
index c6d1c10..7f41412 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@readium/css",
   "description": "A set of reference stylesheets for EPUB Reading Systems",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "homepage": "https://github.com/readium/css",
   "license": "BSD-3-Clause",
   "keywords": [