3 files changed, 29 insertions, 0 deletions
diff --git a/scene/resources/primitive_meshes.cpp b/scene/resources/primitive_meshes.cpp
index 86ed0001dd..7147fdeab1 100644
--- a/scene/resources/primitive_meshes.cpp
+++ b/scene/resources/primitive_meshes.cpp
@@ -2890,6 +2890,18 @@ void TextMesh::_create_mesh_array(Array &p_arr) const {
 		dirty_cache = false;
 	}
 
+	// When a shaped text is invalidated by an external source, we want to reshape it.
+	if (!TS->shaped_text_is_ready(text_rid)) {
+		dirty_text = true;
+	}
+
+	for (const RID &line_rid : lines_rid) {
+		if (!TS->shaped_text_is_ready(line_rid)) {
+			dirty_lines = true;
+			break;
+		}
+	}
+
 	// Update text buffer.
 	if (dirty_text) {
 		TS->shaped_text_clear(text_rid);
diff --git a/scene/resources/text_line.cpp b/scene/resources/text_line.cpp
index 93611ea2c4..38a865b170 100644
--- a/scene/resources/text_line.cpp
+++ b/scene/resources/text_line.cpp
@@ -101,6 +101,11 @@ void TextLine::_bind_methods() {
 }
 
 void TextLine::_shape() {
+	// When a shaped text is invalidated by an external source, we want to reshape it.
+	if (!TS->shaped_text_is_ready(rid)) {
+		dirty = true;
+	}
+
 	if (dirty) {
 		if (!tab_stops.is_empty()) {
 			TS->shaped_text_tab_align(rid, tab_stops);
diff --git a/scene/resources/text_paragraph.cpp b/scene/resources/text_paragraph.cpp
index dfafc7d2bc..729063245c 100644
--- a/scene/resources/text_paragraph.cpp
+++ b/scene/resources/text_paragraph.cpp
@@ -134,6 +134,18 @@ void TextParagraph::_bind_methods() {
 }
 
 void TextParagraph::_shape_lines() {
+	// When a shaped text is invalidated by an external source, we want to reshape it.
+	if (!TS->shaped_text_is_ready(rid) || !TS->shaped_text_is_ready(dropcap_rid)) {
+		lines_dirty = true;
+	}
+
+	for (const RID &line_rid : lines_rid) {
+		if (!TS->shaped_text_is_ready(line_rid)) {
+			lines_dirty = true;
+			break;
+		}
+	}
+
 	if (lines_dirty) {
 		for (const RID &line_rid : lines_rid) {
 			TS->free_rid(line_rid);