diff --git a/modules/text_server_adv/script_iterator.cpp b/modules/text_server_adv/script_iterator.cpp
index 8a2b2cced02..60a617c3a72 100644
--- a/modules/text_server_adv/script_iterator.cpp
+++ b/modules/text_server_adv/script_iterator.cpp
@@ -56,11 +56,12 @@ ScriptIterator::ScriptIterator(const String &p_string, int p_start, int p_length
 	int paren_sp = -1;
 	int start_sp = paren_sp;
 	UErrorCode err = U_ZERO_ERROR;
+	const char32_t *str = p_string.ptr();
 
 	do {
 		script_code = USCRIPT_COMMON;
 		for (script_start = script_end; script_end < p_length; script_end++) {
-			UChar32 ch = p_string[script_end];
+			UChar32 ch = str[script_end];
 			UScriptCode sc = uscript_getScript(ch, &err);
 			if (U_FAILURE(err)) {
 				ERR_FAIL_MSG(u_errorName(err));
diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp
index a82251d5c14..dacf649987e 100644
--- a/modules/text_server_adv/text_server_adv.cpp
+++ b/modules/text_server_adv/text_server_adv.cpp
@@ -1108,7 +1108,9 @@ bool TextServerAdvanced::shaped_text_resize_object(RID p_shaped, Variant p_key,
 		sd->width = 0;
 		sd->upos = 0;
 		sd->uthk = 0;
-		for (int i = 0; i < sd->glyphs.size(); i++) {
+		int sd_size = sd->glyphs.size();
+
+		for (int i = 0; i < sd_size; i++) {
 			Glyph gl = sd->glyphs[i];
 			Variant key;
 			if (gl.count == 1) {
@@ -1248,6 +1250,11 @@ RID TextServerAdvanced::shaped_text_substr(RID p_shaped, int p_start, int p_leng
 		new_sd->utf16 = new_sd->text.utf16();
 		new_sd->script_iter = memnew(ScriptIterator(new_sd->text, 0, new_sd->text.length()));
 
+		int sd_size = sd->glyphs.size();
+		const Glyph *sd_glyphs = sd->glyphs.ptr();
+		const FontDataAdvanced *fd = nullptr;
+		RID prev_rid = RID();
+
 		for (int ov = 0; ov < sd->bidi_override.size(); ov++) {
 			UErrorCode err = U_ZERO_ERROR;
 
@@ -1280,21 +1287,23 @@ RID TextServerAdvanced::shaped_text_substr(RID p_shaped, int p_start, int p_leng
 				int32_t bidi_run_start = _convert_pos(sd, sd->bidi_override[ov].x + start + _bidi_run_start);
 				int32_t bidi_run_end = _convert_pos(sd, sd->bidi_override[ov].x + start + _bidi_run_start + _bidi_run_length);
 
-				for (int j = 0; j < sd->glyphs.size(); j++) {
-					if ((sd->glyphs[j].start >= bidi_run_start) && (sd->glyphs[j].end <= bidi_run_end)) {
+				for (int j = 0; j < sd_size; j++) {
+					if ((sd_glyphs[j].start >= bidi_run_start) && (sd_glyphs[j].end <= bidi_run_end)) {
 						// Copy glyphs.
-						Glyph gl = sd->glyphs[j];
+						Glyph gl = sd_glyphs[j];
 						Variant key;
+						bool find_embedded = false;
 						if (gl.count == 1) {
 							for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) {
 								if (E->get().pos == gl.start) {
+									find_embedded = true;
 									key = E->key();
 									new_sd->objects[key] = E->get();
 									break;
 								}
 							}
 						}
-						if (key != Variant()) {
+						if (find_embedded) {
 							if (new_sd->orientation == ORIENTATION_HORIZONTAL) {
 								new_sd->objects[key].rect.position.x = new_sd->width;
 								new_sd->width += new_sd->objects[key].rect.size.x;
@@ -1327,7 +1336,10 @@ RID TextServerAdvanced::shaped_text_substr(RID p_shaped, int p_start, int p_leng
 								}
 							}
 						} else {
-							const FontDataAdvanced *fd = font_owner.getornull(gl.font_rid);
+							if (prev_rid != gl.font_rid) {
+								fd = font_owner.getornull(gl.font_rid);
+								prev_rid = gl.font_rid;
+							}
 							if (fd != nullptr) {
 								if (new_sd->orientation == ORIENTATION_HORIZONTAL) {
 									new_sd->ascent = MAX(new_sd->ascent, MAX(fd->get_ascent(gl.font_size), -gl.y_off));
@@ -1529,8 +1541,10 @@ float TextServerAdvanced::shaped_text_tab_align(RID p_shaped, const Vector<float
 		delta = -1;
 	}
 
+	Glyph *gl = sd->glyphs.ptrw();
+
 	for (int i = start; i != end; i += delta) {
-		if ((sd->glyphs[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) {
+		if ((gl[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) {
 			float tab_off = 0.f;
 			while (tab_off <= off) {
 				tab_off += p_tab_stops[tab_index];
@@ -1539,13 +1553,13 @@ float TextServerAdvanced::shaped_text_tab_align(RID p_shaped, const Vector<float
 					tab_index = 0;
 				}
 			}
-			float old_adv = sd->glyphs.write[i].advance;
-			sd->glyphs.write[i].advance = tab_off - off;
-			sd->width += sd->glyphs.write[i].advance - old_adv;
+			float old_adv = gl[i].advance;
+			gl[i].advance = tab_off - off;
+			sd->width += gl[i].advance - old_adv;
 			off = 0;
 			continue;
 		}
-		off += sd->glyphs[i].advance * sd->glyphs[i].repeat;
+		off += gl[i].advance * gl[i].repeat;
 	}
 
 	return 0.f;
@@ -1565,8 +1579,7 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) {
 
 	const UChar *data = sd->utf16.ptr();
 
-	Map<int, bool> breaks;
-
+	HashMap<int, bool> breaks;
 	UErrorCode err = U_ZERO_ERROR;
 	for (int i = 0; i < sd->spans.size(); i++) {
 		UBreakIterator *bi = ubrk_open(UBRK_LINE, sd->spans[i].language.ascii().get_data(), data + _convert_pos_inv(sd, sd->spans[i].start), _convert_pos_inv(sd, sd->spans[i].end - sd->spans[i].start), &err);
@@ -1598,40 +1611,48 @@ bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) {
 
 	sd->sort_valid = false;
 	sd->glyphs_logical.clear();
+	int sd_size = sd->glyphs.size();
+	const char32_t *ch = sd->text.ptr();
+	Glyph *sd_glyphs = sd->glyphs.ptrw();
 
-	for (int i = 0; i < sd->glyphs.size(); i++) {
-		if (sd->glyphs[i].count > 0) {
-			char32_t c = sd->text[sd->glyphs[i].start - sd->start];
+	for (int i = 0; i < sd_size; i++) {
+		if (sd_glyphs[i].count > 0) {
+			char32_t c = ch[sd_glyphs[i].start - sd->start];
 			if (c == 0xfffc) {
 				continue;
 			}
 			if (c == 0x0009 || c == 0x000b) {
-				sd->glyphs.write[i].flags |= GRAPHEME_IS_TAB;
+				sd_glyphs[i].flags |= GRAPHEME_IS_TAB;
 			}
 			if (breaks.has(sd->glyphs[i].start)) {
 				if (breaks[sd->glyphs[i].start]) {
-					sd->glyphs.write[i].flags |= GRAPHEME_IS_BREAK_HARD;
+					sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_HARD;
 				} else {
 					if (is_whitespace(c)) {
-						sd->glyphs.write[i].flags |= GRAPHEME_IS_BREAK_SOFT;
-						sd->glyphs.write[i].flags |= GRAPHEME_IS_SPACE;
+						sd_glyphs[i].flags |= GRAPHEME_IS_BREAK_SOFT;
+						sd_glyphs[i].flags |= GRAPHEME_IS_SPACE;
 					} else {
 						TextServer::Glyph gl;
-						gl.start = sd->glyphs[i].start;
-						gl.end = sd->glyphs[i].end;
+						gl.start = sd_glyphs[i].start;
+						gl.end = sd_glyphs[i].end;
 						gl.count = 1;
 						gl.repeat = 1;
-						gl.font_rid = sd->glyphs[i].font_rid;
-						gl.font_size = sd->glyphs[i].font_size;
+						gl.font_rid = sd_glyphs[i].font_rid;
+						gl.font_size = sd_glyphs[i].font_size;
 						gl.flags = GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL;
-						sd->glyphs.insert(i + sd->glyphs[i].count, gl); // insert after
-						i += sd->glyphs[i].count;
+						sd->glyphs.insert(i + sd_glyphs[i].count, gl); // insert after
+
+						// Update write pointer and size.
+						sd_size = sd->glyphs.size();
+						sd_glyphs = sd->glyphs.ptrw();
+
+						i += sd_glyphs[i].count;
 						continue;
 					}
 				}
 			}
 
-			i += (sd->glyphs[i].count - 1);
+			i += (sd_glyphs[i].count - 1);
 		}
 	}
 
@@ -1767,9 +1788,10 @@ bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) {
 
 	sd->sort_valid = false;
 	sd->glyphs_logical.clear();
+	int sd_size = sd->glyphs.size();
 
 	if (jstops.size() > 0) {
-		for (int i = 0; i < sd->glyphs.size(); i++) {
+		for (int i = 0; i < sd_size; i++) {
 			if (sd->glyphs[i].count > 0) {
 				if (jstops.has(sd->glyphs[i].start)) {
 					char32_t c = sd->text[sd->glyphs[i].start - sd->start];
@@ -1873,6 +1895,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
 		fd = font_owner.getornull(p_fonts[p_fb_index]);
 	}
 
+	int fs = p_sd->spans[p_span].font_size;
 	if (fd == nullptr) {
 		// Add fallback glyphs
 		for (int i = p_start; i < p_end; i++) {
@@ -1882,20 +1905,20 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
 				gl.end = i + 1;
 				gl.count = 1;
 				gl.index = p_sd->text[i];
-				gl.font_size = p_sd->spans[p_span].font_size;
+				gl.font_size = fs;
 				gl.font_rid = RID();
 				gl.flags = 0;
 				if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) {
 					gl.flags |= TextServer::GRAPHEME_IS_RTL;
 				}
 				if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
-					gl.advance = get_hex_code_box_size(gl.font_size, gl.index).x;
-					p_sd->ascent = MAX(p_sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.75f));
-					p_sd->descent = MAX(p_sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).y * 0.25f));
+					gl.advance = get_hex_code_box_size(fs, gl.index).x;
+					p_sd->ascent = MAX(p_sd->ascent, Math::round(get_hex_code_box_size(fs, gl.index).y * 0.75f));
+					p_sd->descent = MAX(p_sd->descent, Math::round(get_hex_code_box_size(fs, gl.index).y * 0.25f));
 				} else {
-					gl.advance = get_hex_code_box_size(gl.font_size, gl.index).y;
-					p_sd->ascent = MAX(p_sd->ascent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f));
-					p_sd->descent = MAX(p_sd->descent, Math::round(get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f));
+					gl.advance = get_hex_code_box_size(fs, gl.index).y;
+					p_sd->ascent = MAX(p_sd->ascent, Math::round(get_hex_code_box_size(fs, gl.index).x * 0.5f));
+					p_sd->descent = MAX(p_sd->descent, Math::round(get_hex_code_box_size(fs, gl.index).x * 0.5f));
 				}
 				p_sd->width += gl.advance;
 
@@ -1905,7 +1928,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
 		return;
 	}
 
-	hb_font_t *hb_font = fd->get_hb_handle(p_sd->spans[p_span].font_size);
+	hb_font_t *hb_font = fd->get_hb_handle(fs);
 	ERR_FAIL_COND(hb_font == nullptr);
 
 	hb_buffer_clear_contents(p_sd->hb_buffer);
@@ -1981,17 +2004,17 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
 			gl.count = 0;
 
 			gl.font_rid = p_fonts[p_fb_index];
-			gl.font_size = p_sd->spans[p_span].font_size;
+			gl.font_size = fs;
 
 			gl.index = glyph_info[i].codepoint;
 			if (gl.index != 0) {
 				if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
-					gl.advance = Math::round(glyph_pos[i].x_advance / (64.0 / fd->get_font_scale(gl.font_size)));
+					gl.advance = Math::round(glyph_pos[i].x_advance / (64.0 / fd->get_font_scale(fs)));
 				} else {
-					gl.advance = -Math::round(glyph_pos[i].y_advance / (64.0 / fd->get_font_scale(gl.font_size)));
+					gl.advance = -Math::round(glyph_pos[i].y_advance / (64.0 / fd->get_font_scale(fs)));
 				}
-				gl.x_off = Math::round(glyph_pos[i].x_offset / (64.0 / fd->get_font_scale(gl.font_size)));
-				gl.y_off = -Math::round(glyph_pos[i].y_offset / (64.0 / fd->get_font_scale(gl.font_size)));
+				gl.x_off = Math::round(glyph_pos[i].x_offset / (64.0 / fd->get_font_scale(fs)));
+				gl.y_off = -Math::round(glyph_pos[i].y_offset / (64.0 / fd->get_font_scale(fs)));
 			}
 
 			if (p_sd->preserve_control) {
@@ -2026,14 +2049,12 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
 				}
 				for (int j = 0; j < w[i].count; j++) {
 					if (p_sd->orientation == ORIENTATION_HORIZONTAL) {
-						p_sd->ascent = MAX(p_sd->ascent, MAX(fd->get_ascent(w[i + j].font_size), -w[i + j].y_off));
-						p_sd->descent = MAX(p_sd->descent, MAX(fd->get_descent(w[i + j].font_size), w[i + j].y_off));
+						p_sd->ascent = MAX(p_sd->ascent, -w[i + j].y_off);
+						p_sd->descent = MAX(p_sd->descent, w[i + j].y_off);
 					} else {
-						p_sd->ascent = MAX(p_sd->ascent, Math::round(fd->get_advance(w[i + j].index, w[i + j].font_size).x * 0.5));
-						p_sd->descent = MAX(p_sd->descent, Math::round(fd->get_advance(w[i + j].index, w[i + j].font_size).x * 0.5));
+						p_sd->ascent = MAX(p_sd->ascent, Math::round(fd->get_advance(w[i + j].index, fs).x * 0.5));
+						p_sd->descent = MAX(p_sd->descent, Math::round(fd->get_advance(w[i + j].index, fs).x * 0.5));
 					}
-					p_sd->upos = MAX(p_sd->upos, font_get_underline_position(w[i + j].font_rid, w[i + j].font_size));
-					p_sd->uthk = MAX(p_sd->uthk, font_get_underline_thickness(w[i + j].font_rid, w[i + j].font_size));
 					p_sd->width += w[i + j].advance;
 					p_sd->glyphs.push_back(w[i + j]);
 				}
@@ -2051,6 +2072,10 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_star
 		if (failed_subrun_start != p_end + 1) {
 			_shape_run(p_sd, failed_subrun_start, failed_subrun_end, p_script, p_direction, p_fonts, p_span, p_fb_index + 1);
 		}
+		p_sd->ascent = MAX(p_sd->ascent, fd->get_ascent(fs));
+		p_sd->descent = MAX(p_sd->descent, fd->get_descent(fs));
+		p_sd->upos = MAX(p_sd->upos, fd->get_underline_position(fs));
+		p_sd->uthk = MAX(p_sd->uthk, fd->get_underline_thickness(fs));
 	}
 }
 
diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp
index 4b2d6aeb82e..383250996d8 100644
--- a/modules/text_server_fb/text_server_fb.cpp
+++ b/modules/text_server_fb/text_server_fb.cpp
@@ -625,7 +625,11 @@ bool TextServerFallback::shaped_text_resize_object(RID p_shaped, Variant p_key,
 		sd->width = 0;
 		sd->upos = 0;
 		sd->uthk = 0;
-		for (int i = 0; i < sd->glyphs.size(); i++) {
+		int sd_size = sd->glyphs.size();
+		const FontDataFallback *fd = nullptr;
+		RID prev_rid = RID();
+
+		for (int i = 0; i < sd_size; i++) {
 			Glyph gl = sd->glyphs[i];
 			Variant key;
 			if (gl.count == 1) {
@@ -671,7 +675,10 @@ bool TextServerFallback::shaped_text_resize_object(RID p_shaped, Variant p_key,
 					sd->glyphs.write[i].advance = sd->objects[key].rect.size.y;
 				}
 			} else {
-				const FontDataFallback *fd = font_owner.getornull(gl.font_rid);
+				if (prev_rid != gl.font_rid) {
+					fd = font_owner.getornull(gl.font_rid);
+					prev_rid = gl.font_rid;
+				}
 				if (fd != nullptr) {
 					if (sd->orientation == ORIENTATION_HORIZONTAL) {
 						sd->ascent = MAX(sd->ascent, fd->get_ascent(gl.font_size));
@@ -760,21 +767,25 @@ RID TextServerFallback::shaped_text_substr(RID p_shaped, int p_start, int p_leng
 
 	if (p_length > 0) {
 		new_sd->text = sd->text.substr(p_start, p_length);
+		int sd_size = sd->glyphs.size();
+		const Glyph *sd_glyphs = sd->glyphs.ptr();
 
-		for (int i = 0; i < sd->glyphs.size(); i++) {
-			if ((sd->glyphs[i].start >= new_sd->start) && (sd->glyphs[i].end <= new_sd->end)) {
-				Glyph gl = sd->glyphs[i];
+		for (int i = 0; i < sd_size; i++) {
+			if ((sd_glyphs[i].start >= new_sd->start) && (sd_glyphs[i].end <= new_sd->end)) {
+				Glyph gl = sd_glyphs[i];
 				Variant key;
+				bool find_embedded = false;
 				if (gl.count == 1) {
 					for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) {
 						if (E->get().pos == gl.start) {
+							find_embedded = true;
 							key = E->key();
 							new_sd->objects[key] = E->get();
 							break;
 						}
 					}
 				}
-				if (key != Variant()) {
+				if (find_embedded) {
 					if (new_sd->orientation == ORIENTATION_HORIZONTAL) {
 						new_sd->objects[key].rect.position.x = new_sd->width;
 						new_sd->width += new_sd->objects[key].rect.size.x;
@@ -978,8 +989,10 @@ float TextServerFallback::shaped_text_tab_align(RID p_shaped, const Vector<float
 		delta = -1;
 	}
 
+	Glyph *gl = sd->glyphs.ptrw();
+
 	for (int i = start; i != end; i += delta) {
-		if ((sd->glyphs[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) {
+		if ((gl[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) {
 			float tab_off = 0.f;
 			while (tab_off <= off) {
 				tab_off += p_tab_stops[tab_index];
@@ -988,13 +1001,13 @@ float TextServerFallback::shaped_text_tab_align(RID p_shaped, const Vector<float
 					tab_index = 0;
 				}
 			}
-			float old_adv = sd->glyphs.write[i].advance;
-			sd->glyphs.write[i].advance = tab_off - off;
-			sd->width += sd->glyphs.write[i].advance - old_adv;
+			float old_adv = gl[i].advance;
+			gl[i].advance = tab_off - off;
+			sd->width += gl[i].advance - old_adv;
 			off = 0;
 			continue;
 		}
-		off += sd->glyphs[i].advance * sd->glyphs[i].repeat;
+		off += gl[i].advance * gl[i].repeat;
 	}
 
 	return 0.f;
@@ -1012,7 +1025,8 @@ bool TextServerFallback::shaped_text_update_breaks(RID p_shaped) {
 		return true; // Noting to do.
 	}
 
-	for (int i = 0; i < sd->glyphs.size(); i++) {
+	int sd_size = sd->glyphs.size();
+	for (int i = 0; i < sd_size; i++) {
 		if (sd->glyphs[i].count > 0) {
 			char32_t c = sd->text[sd->glyphs[i].start];
 			if (is_whitespace(c) && !is_linebreak(c)) {
@@ -1163,8 +1177,8 @@ bool TextServerFallback::shaped_text_shape(RID p_shaped) {
 							sd->descent = MAX(sd->descent, Math::round(fd->get_advance(gl.index, gl.font_size).x * 0.5));
 						}
 					}
-					sd->upos = MAX(sd->upos, font_get_underline_position(gl.font_rid, gl.font_size));
-					sd->uthk = MAX(sd->uthk, font_get_underline_thickness(gl.font_rid, gl.font_size));
+					sd->upos = MAX(sd->upos, fd->get_underline_position(gl.font_size));
+					sd->uthk = MAX(sd->uthk, fd->get_underline_thickness(gl.font_size));
 
 					// Add kerning to previous glyph.
 					if (sd->glyphs.size() > 0) {
diff --git a/scene/gui/label.cpp b/scene/gui/label.cpp
index 7570094ff54..566d77e3fd6 100644
--- a/scene/gui/label.cpp
+++ b/scene/gui/label.cpp
@@ -251,8 +251,10 @@ void Label::_notification(int p_what) {
 		if (percent_visible < 1) {
 			int total_glyphs = 0;
 			for (int i = lines_skipped; i < last_line; i++) {
-				const Vector<TextServer::Glyph> glyphs = TS->shaped_text_get_glyphs(lines_rid[i]);
-				for (int j = 0; j < glyphs.size(); j++) {
+				const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(lines_rid[i]);
+				const TextServer::Glyph *glyphs = visual.ptr();
+				int gl_size = visual.size();
+				for (int j = 0; j < gl_size; j++) {
 					if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
 						total_glyphs++;
 					}
@@ -287,11 +289,13 @@ void Label::_notification(int p_what) {
 				} break;
 			}
 
-			const Vector<TextServer::Glyph> glyphs = TS->shaped_text_get_glyphs(lines_rid[i]);
+			const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(lines_rid[i]);
+			const TextServer::Glyph *glyphs = visual.ptr();
+			int gl_size = visual.size();
 
 			float x = ofs.x;
 			int outlines_drawn = glyhps_drawn;
-			for (int j = 0; j < glyphs.size(); j++) {
+			for (int j = 0; j < gl_size; j++) {
 				for (int k = 0; k < glyphs[j].repeat; k++) {
 					if (glyphs[j].font_rid != RID()) {
 						if (font_color_shadow.a > 0) {
@@ -320,7 +324,7 @@ void Label::_notification(int p_what) {
 			}
 			ofs.x = x;
 
-			for (int j = 0; j < glyphs.size(); j++) {
+			for (int j = 0; j < gl_size; j++) {
 				for (int k = 0; k < glyphs[j].repeat; k++) {
 					if (glyphs[j].font_rid != RID()) {
 						TS->font_draw_glyph(glyphs[j].font_rid, ci, glyphs[j].font_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off), glyphs[j].index, font_color);
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index 299c1f2f8ab..d06bdaad910 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -834,11 +834,13 @@ void LineEdit::_notification(int p_what) {
 					RenderingServer::get_singleton()->canvas_item_add_rect(ci, rect, selection_color);
 				}
 			}
-			const Vector<TextServer::Glyph> glyphs = TS->shaped_text_get_glyphs(text_rid);
+			const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(text_rid);
+			const TextServer::Glyph *glyphs = visual.ptr();
+			int gl_size = visual.size();
 
 			// Draw text.
 			ofs.y += TS->shaped_text_get_ascent(text_rid);
-			for (int i = 0; i < glyphs.size(); i++) {
+			for (int i = 0; i < gl_size; i++) {
 				bool selected = selection.enabled && glyphs[i].start >= selection.begin && glyphs[i].end <= selection.end;
 				for (int j = 0; j < glyphs[i].repeat; j++) {
 					if (ceil(ofs.x) >= x_ofs && (ofs.x + glyphs[i].advance) <= ofs_max) {
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 051fcef8f48..906dd94fffc 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -1240,10 +1240,13 @@ void TextEdit::_notification(int p_what) {
 
 					ofs_y += (row_height - text_height) / 2;
 
-					const Vector<TextServer::Glyph> glyphs = TS->shaped_text_get_glyphs(rid);
+					const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(rid);
+					const TextServer::Glyph *glyphs = visual.ptr();
+					int gl_size = visual.size();
+
 					ofs_y += ldata->get_line_ascent(line_wrap_index);
 					float char_ofs = 0.f;
-					for (int j = 0; j < glyphs.size(); j++) {
+					for (int j = 0; j < gl_size; j++) {
 						if (color_map.has(glyphs[j].start)) {
 							current_color = color_map[glyphs[j].start].get("color");
 							if (readonly && current_color.a > cache.font_color_readonly.a) {
diff --git a/servers/text_server.cpp b/servers/text_server.cpp
index 74bf437a257..23bcefa80d7 100644
--- a/servers/text_server.cpp
+++ b/servers/text_server.cpp
@@ -554,14 +554,18 @@ Vector<Vector2i> TextServer::shaped_text_get_line_breaks_adv(RID p_shaped, const
 	int line_start = MAX(p_start, range.x);
 	int last_safe_break = -1;
 	int chunk = 0;
-	for (int i = 0; i < logical.size(); i++) {
-		if (logical[i].start < p_start) {
+
+	int l_size = logical.size();
+	const Glyph *l_gl = logical.ptr();
+
+	for (int i = 0; i < l_size; i++) {
+		if (l_gl[i].start < p_start) {
 			continue;
 		}
-		if (logical[i].count > 0) {
-			if ((p_width[chunk] > 0) && (width + logical[i].advance > p_width[chunk]) && (last_safe_break >= 0)) {
-				lines.push_back(Vector2i(line_start, logical[last_safe_break].end));
-				line_start = logical[last_safe_break].end;
+		if (l_gl[i].count > 0) {
+			if ((p_width[chunk] > 0) && (width + l_gl[i].advance > p_width[chunk]) && (last_safe_break >= 0)) {
+				lines.push_back(Vector2i(line_start, l_gl[last_safe_break].end));
+				line_start = l_gl[last_safe_break].end;
 				i = last_safe_break;
 				last_safe_break = -1;
 				width = 0;
@@ -575,9 +579,9 @@ Vector<Vector2i> TextServer::shaped_text_get_line_breaks_adv(RID p_shaped, const
 				continue;
 			}
 			if ((p_break_flags & BREAK_MANDATORY) == BREAK_MANDATORY) {
-				if ((logical[i].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD) {
-					lines.push_back(Vector2i(line_start, logical[i].end));
-					line_start = logical[i].end;
+				if ((l_gl[i].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD) {
+					lines.push_back(Vector2i(line_start, l_gl[i].end));
+					line_start = l_gl[i].end;
 					last_safe_break = -1;
 					width = 0;
 					chunk = 0;
@@ -588,7 +592,7 @@ Vector<Vector2i> TextServer::shaped_text_get_line_breaks_adv(RID p_shaped, const
 				}
 			}
 			if ((p_break_flags & BREAK_WORD_BOUND) == BREAK_WORD_BOUND) {
-				if ((logical[i].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT) {
+				if ((l_gl[i].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT) {
 					last_safe_break = i;
 				}
 			}
@@ -596,10 +600,10 @@ Vector<Vector2i> TextServer::shaped_text_get_line_breaks_adv(RID p_shaped, const
 				last_safe_break = i;
 			}
 		}
-		width += logical[i].advance;
+		width += l_gl[i].advance;
 	}
 
-	if (logical.size() > 0) {
+	if (l_size > 0) {
 		lines.push_back(Vector2i(line_start, range.y));
 	} else {
 		lines.push_back(Vector2i(0, 0));
@@ -618,30 +622,34 @@ Vector<Vector2i> TextServer::shaped_text_get_line_breaks(RID p_shaped, float p_w
 	float width = 0.f;
 	int line_start = MAX(p_start, range.x);
 	int last_safe_break = -1;
-	for (int i = 0; i < logical.size(); i++) {
-		if (logical[i].start < p_start) {
+
+	int l_size = logical.size();
+	const Glyph *l_gl = logical.ptr();
+
+	for (int i = 0; i < l_size; i++) {
+		if (l_gl[i].start < p_start) {
 			continue;
 		}
-		if (logical[i].count > 0) {
-			if ((p_width > 0) && (width + logical[i].advance > p_width) && (last_safe_break >= 0)) {
-				lines.push_back(Vector2i(line_start, logical[last_safe_break].end));
-				line_start = logical[last_safe_break].end;
+		if (l_gl[i].count > 0) {
+			if ((p_width > 0) && (width + l_gl[i].advance > p_width) && (last_safe_break >= 0)) {
+				lines.push_back(Vector2i(line_start, l_gl[last_safe_break].end));
+				line_start = l_gl[last_safe_break].end;
 				i = last_safe_break;
 				last_safe_break = -1;
 				width = 0;
 				continue;
 			}
 			if ((p_break_flags & BREAK_MANDATORY) == BREAK_MANDATORY) {
-				if ((logical[i].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD) {
-					lines.push_back(Vector2i(line_start, logical[i].end));
-					line_start = logical[i].end;
+				if ((l_gl[i].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD) {
+					lines.push_back(Vector2i(line_start, l_gl[i].end));
+					line_start = l_gl[i].end;
 					last_safe_break = -1;
 					width = 0;
 					continue;
 				}
 			}
 			if ((p_break_flags & BREAK_WORD_BOUND) == BREAK_WORD_BOUND) {
-				if ((logical[i].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT) {
+				if ((l_gl[i].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT) {
 					last_safe_break = i;
 				}
 			}
@@ -649,10 +657,10 @@ Vector<Vector2i> TextServer::shaped_text_get_line_breaks(RID p_shaped, float p_w
 				last_safe_break = i;
 			}
 		}
-		width += logical[i].advance;
+		width += l_gl[i].advance;
 	}
 
-	if (logical.size() > 0) {
+	if (l_size > 0) {
 		if (lines.size() == 0 || lines[lines.size() - 1].y < range.y) {
 			lines.push_back(Vector2i(line_start, range.y));
 		}
@@ -671,15 +679,19 @@ Vector<Vector2i> TextServer::shaped_text_get_word_breaks(RID p_shaped) const {
 	const Vector2i &range = shaped_text_get_range(p_shaped);
 
 	int word_start = range.x;
-	for (int i = 0; i < logical.size(); i++) {
-		if (logical[i].count > 0) {
-			if ((logical[i].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) {
-				words.push_back(Vector2i(word_start, logical[i].end - 1));
-				word_start = logical[i].end;
+
+	int l_size = logical.size();
+	const Glyph *l_gl = logical.ptr();
+
+	for (int i = 0; i < l_size; i++) {
+		if (l_gl[i].count > 0) {
+			if ((l_gl[i].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) {
+				words.push_back(Vector2i(word_start, l_gl[i].end - 1));
+				word_start = l_gl[i].end;
 			}
 		}
 	}
-	if (logical.size() > 0) {
+	if (l_size > 0) {
 		words.push_back(Vector2i(word_start, range.y));
 	}
 
@@ -688,7 +700,7 @@ Vector<Vector2i> TextServer::shaped_text_get_word_breaks(RID p_shaped) const {
 
 void TextServer::shaped_text_get_carets(RID p_shaped, int p_position, Rect2 &p_leading_caret, Direction &p_leading_dir, Rect2 &p_trailing_caret, Direction &p_trailing_dir) const {
 	Vector<Rect2> carets;
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
 	TextServer::Orientation orientation = shaped_text_get_orientation(p_shaped);
 	const Vector2 &range = shaped_text_get_range(p_shaped);
 	float ascent = shaped_text_get_ascent(p_shaped);
@@ -698,7 +710,11 @@ void TextServer::shaped_text_get_carets(RID p_shaped, int p_position, Rect2 &p_l
 	float off = 0.0f;
 	p_leading_dir = DIRECTION_AUTO;
 	p_trailing_dir = DIRECTION_AUTO;
-	for (int i = 0; i < glyphs.size(); i++) {
+
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
+
+	for (int i = 0; i < v_size; i++) {
 		if (glyphs[i].count > 0) {
 			// Caret before grapheme (top / left).
 			if (p_position == glyphs[i].start && ((glyphs[i].flags & GRAPHEME_IS_VIRTUAL) != GRAPHEME_IS_VIRTUAL)) {
@@ -831,7 +847,7 @@ void TextServer::shaped_text_get_carets(RID p_shaped, int p_position, Rect2 &p_l
 }
 
 TextServer::Direction TextServer::shaped_text_get_dominant_direciton_in_range(RID p_shaped, int p_start, int p_end) const {
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
 
 	if (p_start == p_end) {
 		return DIRECTION_AUTO;
@@ -843,7 +859,10 @@ TextServer::Direction TextServer::shaped_text_get_dominant_direciton_in_range(RI
 	int rtl = 0;
 	int ltr = 0;
 
-	for (int i = 0; i < glyphs.size(); i++) {
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
+
+	for (int i = 0; i < v_size; i++) {
 		if ((glyphs[i].end > start) && (glyphs[i].start < end)) {
 			if (glyphs[i].count > 0) {
 				if ((glyphs[i].flags & GRAPHEME_IS_RTL) == GRAPHEME_IS_RTL) {
@@ -865,7 +884,7 @@ TextServer::Direction TextServer::shaped_text_get_dominant_direciton_in_range(RI
 
 Vector<Vector2> TextServer::shaped_text_get_selection(RID p_shaped, int p_start, int p_end) const {
 	Vector<Vector2> ranges;
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
 
 	if (p_start == p_end) {
 		return ranges;
@@ -874,8 +893,11 @@ Vector<Vector2> TextServer::shaped_text_get_selection(RID p_shaped, int p_start,
 	int start = MIN(p_start, p_end);
 	int end = MAX(p_start, p_end);
 
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
+
 	float off = 0.0f;
-	for (int i = 0; i < glyphs.size(); i++) {
+	for (int i = 0; i < v_size; i++) {
 		for (int k = 0; k < glyphs[i].repeat; k++) {
 			if (glyphs[i].count > 0 && glyphs[i].index != 0) {
 				if (glyphs[i].start < end && glyphs[i].end > start) {
@@ -951,11 +973,15 @@ Vector<Vector2> TextServer::shaped_text_get_selection(RID p_shaped, int p_start,
 }
 
 int TextServer::shaped_text_hit_test_grapheme(RID p_shaped, float p_coords) const {
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
 
 	// Exact grapheme hit test, return -1 if missed.
 	float off = 0.0f;
-	for (int i = 0; i < glyphs.size(); i++) {
+
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
+
+	for (int i = 0; i < v_size; i++) {
 		for (int j = 0; j < glyphs[i].repeat; j++) {
 			if (p_coords >= off && p_coords < off + glyphs[i].advance) {
 				return i;
@@ -967,13 +993,16 @@ int TextServer::shaped_text_hit_test_grapheme(RID p_shaped, float p_coords) cons
 }
 
 int TextServer::shaped_text_hit_test_position(RID p_shaped, float p_coords) const {
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
+
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
 
 	// Cursor placement hit test.
 
 	// Place caret to the left of the leftmost grapheme, or to position 0 if string is empty.
 	if (p_coords <= 0) {
-		if (glyphs.size() > 0) {
+		if (v_size > 0) {
 			if ((glyphs[0].flags & GRAPHEME_IS_RTL) == GRAPHEME_IS_RTL) {
 				return glyphs[0].end;
 			} else {
@@ -986,11 +1015,11 @@ int TextServer::shaped_text_hit_test_position(RID p_shaped, float p_coords) cons
 
 	// Place caret to the right of the rightmost grapheme, or to position 0 if string is empty.
 	if (p_coords >= shaped_text_get_width(p_shaped)) {
-		if (glyphs.size() > 0) {
-			if ((glyphs[glyphs.size() - 1].flags & GRAPHEME_IS_RTL) == GRAPHEME_IS_RTL) {
-				return glyphs[glyphs.size() - 1].start;
+		if (v_size > 0) {
+			if ((glyphs[v_size - 1].flags & GRAPHEME_IS_RTL) == GRAPHEME_IS_RTL) {
+				return glyphs[v_size - 1].start;
 			} else {
-				return glyphs[glyphs.size() - 1].end;
+				return glyphs[v_size - 1].end;
 			}
 		} else {
 			return 0;
@@ -998,7 +1027,7 @@ int TextServer::shaped_text_hit_test_position(RID p_shaped, float p_coords) cons
 	}
 
 	float off = 0.0f;
-	for (int i = 0; i < glyphs.size(); i++) {
+	for (int i = 0; i < v_size; i++) {
 		for (int k = 0; k < glyphs[i].repeat; k++) {
 			if (glyphs[i].count > 0) {
 				float advance = 0.f;
@@ -1029,8 +1058,10 @@ int TextServer::shaped_text_hit_test_position(RID p_shaped, float p_coords) cons
 }
 
 int TextServer::shaped_text_next_grapheme_pos(RID p_shaped, int p_pos) {
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
-	for (int i = 0; i < glyphs.size(); i++) {
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
+	for (int i = 0; i < v_size; i++) {
 		if (p_pos >= glyphs[i].start && p_pos < glyphs[i].end) {
 			return glyphs[i].end;
 		}
@@ -1039,8 +1070,10 @@ int TextServer::shaped_text_next_grapheme_pos(RID p_shaped, int p_pos) {
 }
 
 int TextServer::shaped_text_prev_grapheme_pos(RID p_shaped, int p_pos) {
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
-	for (int i = 0; i < glyphs.size(); i++) {
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
+	for (int i = 0; i < v_size; i++) {
 		if (p_pos > glyphs[i].start && p_pos <= glyphs[i].end) {
 			return glyphs[i].start;
 		}
@@ -1050,13 +1083,16 @@ int TextServer::shaped_text_prev_grapheme_pos(RID p_shaped, int p_pos) {
 }
 
 void TextServer::shaped_text_draw(RID p_shaped, RID p_canvas, const Vector2 &p_pos, float p_clip_l, float p_clip_r, const Color &p_color) const {
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
 	TextServer::Orientation orientation = shaped_text_get_orientation(p_shaped);
 	bool hex_codes = shaped_text_get_preserve_control(p_shaped) || shaped_text_get_preserve_invalid(p_shaped);
 
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
+
 	Vector2 ofs = p_pos;
 	// Draw at the baseline.
-	for (int i = 0; i < glyphs.size(); i++) {
+	for (int i = 0; i < v_size; i++) {
 		for (int j = 0; j < glyphs[i].repeat; j++) {
 			if (p_clip_r > 0) {
 				// Clip right / bottom.
@@ -1099,12 +1135,14 @@ void TextServer::shaped_text_draw(RID p_shaped, RID p_canvas, const Vector2 &p_p
 }
 
 void TextServer::shaped_text_draw_outline(RID p_shaped, RID p_canvas, const Vector2 &p_pos, float p_clip_l, float p_clip_r, int p_outline_size, const Color &p_color) const {
-	const Vector<TextServer::Glyph> glyphs = shaped_text_get_glyphs(p_shaped);
+	const Vector<TextServer::Glyph> visual = shaped_text_get_glyphs(p_shaped);
 	TextServer::Orientation orientation = shaped_text_get_orientation(p_shaped);
 
+	int v_size = visual.size();
+	const Glyph *glyphs = visual.ptr();
 	Vector2 ofs = p_pos;
 	// Draw at the baseline.
-	for (int i = 0; i < glyphs.size(); i++) {
+	for (int i = 0; i < v_size; i++) {
 		for (int j = 0; j < glyphs[i].repeat; j++) {
 			if (p_clip_r > 0) {
 				// Clip right / bottom.