Index: wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css
===================================================================
--- wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css	(revision 53260)
+++ wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css	(working copy)
@@ -238,12 +238,12 @@
 
 .editor-post-title__block .editor-post-title__input,
 .editor-styles-wrapper .wp-block-post-title,
-.editor-styles-wrapper .wp-block h1,
-.editor-styles-wrapper .wp-block h2,
-.editor-styles-wrapper .wp-block h3,
-.editor-styles-wrapper .wp-block h4,
-.editor-styles-wrapper .wp-block h5,
-.editor-styles-wrapper .wp-block h6 {
+.editor-styles-wrapper h1,
+.editor-styles-wrapper h2,
+.editor-styles-wrapper h3,
+.editor-styles-wrapper h4,
+.editor-styles-wrapper h5,
+.editor-styles-wrapper h6 {
 	font-feature-settings: "lnum";
 	font-variant-numeric: lining-nums;
 	font-weight: 700;
@@ -251,6 +251,7 @@
 	line-height: 1.25;
 	margin-top: 40px;
 	margin-bottom: 25px;
+	text-transform: inherit;
 }
 
 .editor-post-title__block .editor-post-title__input,
Index: wp-content/themes/twentytwenty/style-rtl.css
===================================================================
--- wp-content/themes/twentytwenty/style-rtl.css	(revision 53260)
+++ wp-content/themes/twentytwenty/style-rtl.css	(working copy)
@@ -342,7 +342,7 @@
 .heading-size-6 {
 	font-size: 1.6rem;
 	letter-spacing: 0.03125em;
-	text-transform: uppercase;
+	text-transform: inherit;
 }
 
 p {
Index: wp-content/themes/twentytwenty/style.css
===================================================================
--- wp-content/themes/twentytwenty/style.css	(revision 53260)
+++ wp-content/themes/twentytwenty/style.css	(working copy)
@@ -342,7 +342,7 @@
 .heading-size-6 {
 	font-size: 1.6rem;
 	letter-spacing: 0.03125em;
-	text-transform: uppercase;
+	text-transform: inherit;
 }
 
 p {