diff --git a/gui/bidi_and_font_features/README.md b/gui/bidi_and_font_features/README.md
index 1adb485bc3..5a14edd3ab 100644
--- a/gui/bidi_and_font_features/README.md
+++ b/gui/bidi_and_font_features/README.md
@@ -1,13 +1,15 @@
-BiDI and Font Features Demo
+# BiDI and Font Features Demo
 
 A demo showing BiDi text and BiDi overrides, line breaking and justification, and OpenType font features.
 
 Language: GDScript
 
-Renderer: Vulkan
+Renderer: Compatibility
 
 ## Screenshots
 
 ![Screenshot](screenshots/bidi.png)
+
 ![Screenshot](screenshots/line_break_and_fill.png)
+
 ![Screenshot](screenshots/font_features.png)
diff --git a/gui/bidi_and_font_features/bidi.tscn b/gui/bidi_and_font_features/bidi.tscn
index 348defc3c4..c30d891507 100644
--- a/gui/bidi_and_font_features/bidi.tscn
+++ b/gui/bidi_and_font_features/bidi.tscn
@@ -1,86 +1,100 @@
-[gd_scene load_steps=5 format=3 uid="uid://doa7j7q1j4p4e"]
+[gd_scene load_steps=13 format=3 uid="uid://doa7j7q1j4p4e"]
 
-[ext_resource type="Font" path="res://noto_font.tres" id="1"]
 [ext_resource type="Script" path="res://bidi.gd" id="2"]
+[ext_resource type="FontFile" uid="uid://dcyy0x2u3jocr" path="res://fonts/NotoSansThaiUI_Regular.ttf" id="2_plk2w"]
 [ext_resource type="Script" path="res://custom_st_parser.gd" id="3"]
-[ext_resource type="Font" path="res://lib_font.tres" id="4"]
+[ext_resource type="FontFile" uid="uid://bdex0ccrwre5y" path="res://fonts/NotoNaskhArabicUI_Regular.ttf" id="3_cf43x"]
+[ext_resource type="FontVariation" uid="uid://bymgwaapysw4i" path="res://lib_font.tres" id="4"]
+[ext_resource type="FontFile" uid="uid://cwer1pi5ka4io" path="res://fonts/NotoSansHebrew_Regular.ttf" id="4_03wxc"]
+[ext_resource type="FontFile" uid="uid://bic5b75wmaxwj" path="res://fonts/LinLibertine_R.otf" id="5_dd4o7"]
+
+[sub_resource type="FontVariation" id="FontVariation_pn5rb"]
+base_font = ExtResource("5_dd4o7")
+opentype_features = {
+1818847073: 0
+}
+
+[sub_resource type="FontVariation" id="FontVariation_dej54"]
+base_font = ExtResource("5_dd4o7")
+opentype_features = {
+1936548720: 1
+}
+
+[sub_resource type="FontVariation" id="FontVariation_cfykr"]
+base_font = ExtResource("5_dd4o7")
+opentype_features = {
+2053468783: 1
+}
+
+[sub_resource type="FontVariation" id="FontVariation_tbiyt"]
+base_font = ExtResource("5_dd4o7")
+opentype_features = {
+1718772067: 1
+}
+
+[sub_resource type="FontVariation" id="FontVariation_7cco7"]
+base_font = ExtResource("5_dd4o7")
+opentype_features = {
+1869509997: 1,
+1935764596: 1
+}
 
 [node name="Control" type="Control"]
+layout_mode = 3
+anchors_preset = 15
 anchor_right = 1.0
 anchor_bottom = 1.0
-script = ExtResource( "2" )
-__meta__ = {
-"_edit_use_anchors_": false
-}
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("2")
 
 [node name="TabContainer" type="TabContainer" parent="."]
+layout_mode = 0
 anchor_right = 1.0
 anchor_bottom = 1.0
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="Line breaking and justification" type="Panel" parent="TabContainer"]
-anchor_right = 1.0
-anchor_bottom = 1.0
-offset_left = 4.0
-offset_top = 38.0
-offset_right = -4.0
-offset_bottom = -4.0
-script = null
+layout_mode = 2
 
 [node name="LabelBrkInfo" type="Label" parent="TabContainer/Line breaking and justification"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 30.0
 offset_right = 830.0
 offset_bottom = 52.0
 theme_override_colors/font_color = Color(0.419608, 0.831373, 0.505882, 1)
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "1. Line breaking and space justification."
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelTHNoBreak" type="Label" parent="TabContainer/Line breaking and justification"]
+layout_mode = 1
+anchors_preset = -1
 anchor_top = 0.000891266
 anchor_bottom = 0.000891266
 offset_left = 30.0
-offset_top = 69.5027
-offset_right = 988.0
-offset_bottom = 92.5027
-theme_override_fonts/font = ExtResource( "1" )
+offset_top = 69.4474
+offset_right = 1046.0
+offset_bottom = 92.4474
+theme_override_fonts/font = ExtResource("2_plk2w")
 theme_override_font_sizes/font_size = 14
 text = "ภาษาไทย หรือ ภาษาไทยกลาง เป็นภาษาราชการและภาษาประจำชาติของประเทศไทย ภาษาไทยเป็นภาษาในกลุ่มภาษาไทซึ่งเป็นกลุ่มย่อยของตระกูลภาษาขร้า-ไท"
 autowrap_mode = 3
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelTHBreak" type="Label" parent="TabContainer/Line breaking and justification"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 100.0
-offset_right = 333.0
+offset_right = 331.0
 offset_bottom = 200.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("2_plk2w")
 theme_override_font_sizes/font_size = 14
 text = "ภาษาไทย หรือ ภาษาไทยกลาง เป็นภาษาราชการและภาษาประจำชาติของประเทศไทย ภาษาไทยเป็นภาษาในกลุ่มภาษาไทซึ่งเป็นกลุ่มย่อยของตระกูลภาษาขร้า-ไท"
-align = 3
+horizontal_alignment = 3
 autowrap_mode = 3
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelJstInfo" type="Label" parent="TabContainer/Line breaking and justification"]
+layout_mode = 0
 anchor_top = 0.000891266
 anchor_bottom = 0.000891266
 offset_left = 30.0
@@ -88,538 +102,360 @@ offset_top = 213.5
 offset_right = 830.0
 offset_bottom = 236.5
 theme_override_colors/font_color = Color(0.420413, 0.832031, 0.504023, 1)
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "2. Kashida justification."
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelARNoJst2" type="Label" parent="TabContainer/Line breaking and justification"]
+layout_mode = 1
+anchors_preset = -1
 anchor_top = 0.000891266
 anchor_bottom = 0.000891266
 offset_left = 30.0
-offset_top = 248.5
-offset_right = 830.0
-offset_bottom = 271.5
-theme_override_fonts/font = ExtResource( "1" )
+offset_top = 248.447
+offset_right = 258.0
+offset_bottom = 271.447
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "آنچ اندر وهم ناید آن شوم"
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
+horizontal_alignment = 3
 
 [node name="LabelARJst" type="Label" parent="TabContainer/Line breaking and justification"]
+layout_mode = 0
 anchor_top = 0.000891266
 anchor_bottom = 0.000891266
 offset_left = 30.0
 offset_top = 273.5
 offset_right = 255.0
 offset_bottom = 296.5
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "آنچ اندر وهم ناید آن شوم"
-align = 3
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="Text direction" type="Panel" parent="TabContainer"]
 visible = false
-anchor_right = 1.0
-anchor_bottom = 1.0
-offset_left = 4.0
-offset_top = 38.0
-offset_right = -4.0
-offset_bottom = -4.0
-script = null
+layout_mode = 2
 
 [node name="LabelDirInfo" type="Label" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 30.0
 offset_right = 830.0
 offset_bottom = 50.0
 theme_override_colors/font_color = Color(0.419608, 0.831373, 0.505882, 1)
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "1. Base text direction. (Left-to-right, Auto, Right-to-left)"
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditL1" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 60.0
 offset_right = 260.0
 offset_bottom = 90.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "Najaf (ٱلنَّجَف‎), also known as Baniqia."
 editable = false
 context_menu_enabled = false
 text_direction = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditA1" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 270.0
 offset_top = 60.0
 offset_right = 500.0
 offset_bottom = 90.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "Najaf (ٱلنَّجَف‎), also known as Baniqia."
 editable = false
 context_menu_enabled = false
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditR1" type="LineEdit" parent="TabContainer/Text direction"]
 modulate = Color(0.847059, 0.54902, 0.54902, 1)
+layout_mode = 0
 offset_left = 510.0
 offset_top = 60.0
 offset_right = 740.0
 offset_bottom = 90.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "Najaf (ٱلنَّجَف‎), also known as Baniqia."
 editable = false
 context_menu_enabled = false
 text_direction = 2
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditL2" type="LineEdit" parent="TabContainer/Text direction"]
 modulate = Color(0.847059, 0.54902, 0.54902, 1)
+layout_mode = 0
 offset_left = 30.0
 offset_top = 99.5
 offset_right = 260.0
 offset_bottom = 129.5
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "الإنجليزية أو الإنغليزية (بالإنجليزية: English)‏،"
 editable = false
 context_menu_enabled = false
 text_direction = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditA2" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 270.0
 offset_top = 100.0
 offset_right = 500.0
 offset_bottom = 130.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "الإنجليزية أو الإنغليزية (بالإنجليزية: English)‏،"
 editable = false
 context_menu_enabled = false
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditR2" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 510.0
 offset_top = 100.0
 offset_right = 740.0
 offset_bottom = 130.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("3_cf43x")
 theme_override_font_sizes/font_size = 14
 text = "الإنجليزية أو الإنغليزية (بالإنجليزية: English)‏،"
 editable = false
 context_menu_enabled = false
 text_direction = 2
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelSTInfo" type="Label" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 150.0
 offset_right = 830.0
 offset_bottom = 170.0
 theme_override_colors/font_color = Color(0.419608, 0.831373, 0.505882, 1)
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "2. BiDi override for structured text (select item in the list to test)."
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="Tree" type="Tree" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 180.0
 offset_right = 430.0
 offset_bottom = 340.0
-theme_override_fonts/title_button_font = ExtResource( "1" )
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("4_03wxc")
 theme_override_font_sizes/font_size = 14
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelNoST" type="Label" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 460.0
 offset_top = 195.0
 offset_right = 560.0
 offset_bottom = 215.0
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "Default BiDi:"
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelST" type="Label" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 460.0
 offset_top = 238.5
 offset_right = 560.0
 offset_bottom = 258.5
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "\"File\" override:"
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditNoST" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 582.0
 offset_top = 188.0
 offset_right = 882.0
 offset_bottom = 218.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("4_03wxc")
 theme_override_font_sizes/font_size = 14
 editable = false
 context_menu_enabled = false
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditST" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 582.0
 offset_top = 236.0
 offset_right = 882.0
 offset_bottom = 266.0
-theme_override_fonts/font = ExtResource( "1" )
+theme_override_fonts/font = ExtResource("4_03wxc")
 theme_override_font_sizes/font_size = 14
 editable = false
 context_menu_enabled = false
 structured_text_bidi_override = 2
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelSTCustomInfo" type="Label" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 358.0
 offset_right = 830.0
 offset_bottom = 381.0
 theme_override_colors/font_color = Color(0.419608, 0.831373, 0.505882, 1)
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
-text = "3. Custom BiDi override script (split by \":\" and reverse the order, see \"cutom_st_parser.gd\"):"
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
+text = "3. Custom BiDi override script (split by \":\" and reverse the order, see \"custom_st_parser.gd\"):"
 
 [node name="LineEditCustomSTSource" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 396.0
 offset_right = 330.0
 offset_bottom = 426.0
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "first:second:third"
 context_menu_enabled = false
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LineEditCustomSTDst" type="LineEdit" parent="TabContainer/Text direction"]
+layout_mode = 0
 offset_left = 342.0
 offset_top = 396.0
 offset_right = 642.0
 offset_bottom = 426.0
-theme_override_fonts/font = ExtResource( "1" )
 theme_override_font_sizes/font_size = 14
 text = "first:second:third"
 context_menu_enabled = false
 structured_text_bidi_override = 6
-structured_text_bidi_override_options = []
-script = ExtResource( "3" )
-__meta__ = {
-"_edit_use_anchors_": false
-}
+script = ExtResource("3")
 
 [node name="Font features" type="Panel" parent="TabContainer"]
 visible = false
-anchor_right = 1.0
-anchor_bottom = 1.0
-offset_left = 4.0
-offset_top = 38.0
-offset_right = -4.0
-offset_bottom = -4.0
-script = null
+layout_mode = 2
 
 [node name="LabelDisplay1" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 30.0
 offset_right = 330.0
 offset_bottom = 70.0
-theme_override_fonts/font = ExtResource( "4" )
+theme_override_fonts/font = ExtResource("4")
 theme_override_font_sizes/font_size = 24
 text = "Que fin after 019 1/2 1/3 &, h, β, θ,"
-valign = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelInfo1" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 446.0
 offset_top = 30.0
 offset_right = 746.0
 offset_bottom = 70.0
-theme_override_fonts/font = ExtResource( "4" )
-theme_override_font_sizes/font_size = 16
+theme_override_fonts/font = ExtResource("4")
+theme_override_font_sizes/font_size = 18
 text = "default, no features"
-valign = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelDisplay2" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 69.5
 offset_right = 330.0
 offset_bottom = 109.5
-theme_override_fonts/font = ExtResource( "4" )
+theme_override_fonts/font = SubResource("FontVariation_pn5rb")
 theme_override_font_sizes/font_size = 24
 text = "Que fin after 019 1/2 1/3 &, h, β, θ,"
-valign = 1
-structured_text_bidi_override_options = []
-opentype_features/standard_ligatures = null
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelInfo2" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 446.0
 offset_top = 70.0
 offset_right = 746.0
 offset_bottom = 110.0
-theme_override_fonts/font = ExtResource( "4" )
-theme_override_font_sizes/font_size = 16
+theme_override_fonts/font = ExtResource("4")
+theme_override_font_sizes/font_size = 18
 text = "standard_ligatures=0 (disabled)"
-valign = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelDisplay3" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 30.0
 offset_top = 109.5
 offset_right = 330.0
 offset_bottom = 149.5
-theme_override_fonts/font = ExtResource( "4" )
+theme_override_fonts/font = SubResource("FontVariation_dej54")
 theme_override_font_sizes/font_size = 24
 text = "Que fin after 019 1/2 1/3 &, h, β, θ,"
-valign = 1
-structured_text_bidi_override_options = []
-opentype_features/small_capitals = 1.0
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelInfo3" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 446.0
 offset_top = 110.0
 offset_right = 746.0
 offset_bottom = 150.0
-theme_override_fonts/font = ExtResource( "4" )
-theme_override_font_sizes/font_size = 16
+theme_override_fonts/font = ExtResource("4")
+theme_override_font_sizes/font_size = 18
 text = "small_capitals=1"
-valign = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelDisplay4" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 31.0
 offset_top = 150.5
 offset_right = 331.0
 offset_bottom = 190.5
-theme_override_fonts/font = ExtResource( "4" )
+theme_override_fonts/font = SubResource("FontVariation_cfykr")
 theme_override_font_sizes/font_size = 24
 text = "Que fin after 019 1/2 1/3 &, h, β, θ,"
-valign = 1
-structured_text_bidi_override_options = []
-opentype_features/slashed_zero = 1.0
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelInfo4" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 446.0
 offset_top = 150.0
 offset_right = 746.0
 offset_bottom = 190.0
-theme_override_fonts/font = ExtResource( "4" )
-theme_override_font_sizes/font_size = 16
+theme_override_fonts/font = ExtResource("4")
+theme_override_font_sizes/font_size = 18
 text = "slashed_zero=1"
-valign = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelDisplay5" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 31.0
 offset_top = 190.5
 offset_right = 331.0
 offset_bottom = 230.5
-theme_override_fonts/font = ExtResource( "4" )
+theme_override_fonts/font = SubResource("FontVariation_tbiyt")
 theme_override_font_sizes/font_size = 24
 text = "Que fin after 019 1/2 1/3 &, h, β, θ,"
-valign = 1
-structured_text_bidi_override_options = []
-opentype_features/fractions = 1.0
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelInfo5" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 446.0
 offset_top = 190.0
 offset_right = 918.609
 offset_bottom = 230.0
-theme_override_fonts/font = ExtResource( "4" )
-theme_override_font_sizes/font_size = 16
+theme_override_fonts/font = ExtResource("4")
+theme_override_font_sizes/font_size = 18
 text = "fractions"
-valign = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelDisplay6" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 31.0
 offset_top = 230.5
 offset_right = 331.0
 offset_bottom = 270.5
-theme_override_fonts/font = ExtResource( "4" )
+theme_override_fonts/font = SubResource("FontVariation_7cco7")
 theme_override_font_sizes/font_size = 24
 text = "Que fin after 019 1/2 1/3 &, h, β, θ,"
-valign = 1
-structured_text_bidi_override_options = []
-opentype_features/oldstyle_figures = 1.0
-opentype_features/stylistic_alternates = 1.0
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="LabelInfo6" type="Label" parent="TabContainer/Font features"]
+layout_mode = 0
 offset_left = 446.0
 offset_top = 230.0
 offset_right = 918.609
 offset_bottom = 270.0
-theme_override_fonts/font = ExtResource( "4" )
-theme_override_font_sizes/font_size = 16
+theme_override_fonts/font = ExtResource("4")
+theme_override_font_sizes/font_size = 18
 text = "oldstyle_figures=1, stylistic_alternates=1"
-valign = 1
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
-
-[node name="RichTextLabel" type="RichTextLabel" parent="TabContainer/Font features"]
-offset_left = 33.0
-offset_top = 287.0
-offset_right = 965.0
-offset_bottom = 383.0
-theme_override_fonts/normal_font = ExtResource( "4" )
-text = "
-Que fin 1/3 0 Que fin 1/3 0 Que fin 1/3 0
-"
-bbcode_enabled = true
-custom_effects = []
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="RichTextLabel2" type="RichTextLabel" parent="TabContainer/Font features"]
+layout_mode = 1
+anchors_preset = -1
 anchor_left = -0.000334372
 anchor_right = -0.000334372
-offset_left = 33.3397
-offset_top = 407.0
-offset_right = 992.34
-offset_bottom = 490.0
-theme_override_fonts/normal_font = ExtResource( "4" )
-text = "[font_size=24]
-Que fin 1/3 0 [opentype_features=liga=0]Que fin 1/3 0[/opentype_features] [opentype_features=frac=1,zero]Que fin 1/3 0[/opentype_features]
-[/font_size]"
-custom_effects = []
-structured_text_bidi_override_options = []
-script = null
-__meta__ = {
-"_edit_use_anchors_": false
-}
+offset_left = 33.3852
+offset_top = 327.0
+offset_right = 992.385
+offset_bottom = 488.0
+theme_override_fonts/normal_font = ExtResource("4")
+theme_override_font_sizes/normal_font_size = 18
+bbcode_enabled = true
+text = "RichTextLabel BBCode:
+[font_size=24]
+Que fin 1/3 0
+[opentype_features=liga=0]Que fin 1/3 0[/opentype_features] [color=#fffa](liga=0 - disables ligatures)[/color]
+[opentype_features=frac=1,zero]Que fin 1/3 0[/opentype_features] [color=#fffa](frac=1,zero - fractions and slashed zero)[/color][/font_size]"
 
 [connection signal="item_selected" from="TabContainer/Text direction/Tree" to="." method="_on_Tree_item_selected"]
 [connection signal="text_changed" from="TabContainer/Text direction/LineEditCustomSTSource" to="." method="_on_LineEditCustomSTSource_text_changed"]
diff --git a/gui/bidi_and_font_features/custom_st_parser.gd b/gui/bidi_and_font_features/custom_st_parser.gd
index 3b63dc6bfa..02f3396a2c 100644
--- a/gui/bidi_and_font_features/custom_st_parser.gd
+++ b/gui/bidi_and_font_features/custom_st_parser.gd
@@ -7,8 +7,8 @@ func _structured_text_parser(args, text):
 	var count = int(tags.size())
 	output.clear()
 	for i in range(count):
-		var range1 = Vector2i(prev, prev + tags[i].length())
-		var range2 = Vector2i(prev + tags[i].length(), prev + tags[i].length() + 1)
+		var range1 = Vector3i(prev, prev + tags[i].length(), TextServer.DIRECTION_AUTO)
+		var range2 = Vector3i(prev + tags[i].length(), prev + tags[i].length() + 1, TextServer.DIRECTION_AUTO)
 		output.push_front(range1)
 		output.push_front(range2)
 		prev = prev + tags[i].length() + 1
diff --git a/gui/bidi_and_font_features/fonts/LinLibertine_R.otf.import b/gui/bidi_and_font_features/fonts/LinLibertine_R.otf.import
index a34a34f1b9..4c34379e6b 100644
--- a/gui/bidi_and_font_features/fonts/LinLibertine_R.otf.import
+++ b/gui/bidi_and_font_features/fonts/LinLibertine_R.otf.import
@@ -1,7 +1,7 @@
 [remap]
 
 importer="font_data_dynamic"
-type="FontData"
+type="FontFile"
 uid="uid://bic5b75wmaxwj"
 path="res://.godot/imported/LinLibertine_R.otf-0d33583986cf94e9ad55cc89a5951934.fontdata"
 
@@ -12,17 +12,22 @@ dest_files=["res://.godot/imported/LinLibertine_R.otf-0d33583986cf94e9ad55cc89a5
 
 [params]
 
-antialiased=true
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
 multichannel_signed_distance_field=false
 msdf_pixel_range=8.0
+msdf_size=48
+allow_system_fallback=true
 force_autohinter=false
 hinting=1
+subpixel_positioning=1
 oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
 compress=true
-preload/char_ranges=PackedStringArray()
-preload/glyph_ranges=PackedStringArray()
-preload/configurations=PackedStringArray()
-support_overrides/language_enabled=PackedStringArray()
-support_overrides/language_disabled=PackedStringArray()
-support_overrides/script_enabled=PackedStringArray()
-support_overrides/script_disabled=PackedStringArray()
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}
diff --git a/gui/bidi_and_font_features/fonts/NotoNaskhArabicUI_Regular.ttf.import b/gui/bidi_and_font_features/fonts/NotoNaskhArabicUI_Regular.ttf.import
index 7e8f343203..d53d32c184 100644
--- a/gui/bidi_and_font_features/fonts/NotoNaskhArabicUI_Regular.ttf.import
+++ b/gui/bidi_and_font_features/fonts/NotoNaskhArabicUI_Regular.ttf.import
@@ -1,8 +1,8 @@
 [remap]
 
 importer="font_data_dynamic"
-type="FontData"
-uid="uid://61ui1kmi5tt7"
+type="FontFile"
+uid="uid://bdex0ccrwre5y"
 path="res://.godot/imported/NotoNaskhArabicUI_Regular.ttf-71ae3841953d426d66ee60d00f69e0e0.fontdata"
 
 [deps]
@@ -12,17 +12,22 @@ dest_files=["res://.godot/imported/NotoNaskhArabicUI_Regular.ttf-71ae3841953d426
 
 [params]
 
-antialiased=true
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
 multichannel_signed_distance_field=false
-msdf_pixel_range=8.0
+msdf_pixel_range=8
+msdf_size=48
+allow_system_fallback=true
 force_autohinter=false
 hinting=1
+subpixel_positioning=1
 oversampling=0.0
+Fallbacks=null
+fallbacks=[Resource("res://fonts/NotoSansUI_Regular.ttf")]
+Compress=null
 compress=true
-preload/char_ranges=PackedStringArray()
-preload/glyph_ranges=PackedStringArray()
-preload/configurations=PackedStringArray()
-support_overrides/language_enabled=PackedStringArray()
-support_overrides/language_disabled=PackedStringArray()
-support_overrides/script_enabled=PackedStringArray()
-support_overrides/script_disabled=PackedStringArray()
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}
diff --git a/gui/bidi_and_font_features/fonts/NotoSansHebrew_Regular.ttf.import b/gui/bidi_and_font_features/fonts/NotoSansHebrew_Regular.ttf.import
index f61c2ca894..1a33b362dd 100644
--- a/gui/bidi_and_font_features/fonts/NotoSansHebrew_Regular.ttf.import
+++ b/gui/bidi_and_font_features/fonts/NotoSansHebrew_Regular.ttf.import
@@ -1,7 +1,7 @@
 [remap]
 
 importer="font_data_dynamic"
-type="FontData"
+type="FontFile"
 uid="uid://cwer1pi5ka4io"
 path="res://.godot/imported/NotoSansHebrew_Regular.ttf-9d09161984e30bb05b9445728c29a2a8.fontdata"
 
@@ -12,17 +12,22 @@ dest_files=["res://.godot/imported/NotoSansHebrew_Regular.ttf-9d09161984e30bb05b
 
 [params]
 
-antialiased=true
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
 multichannel_signed_distance_field=false
 msdf_pixel_range=8.0
+msdf_size=48
+allow_system_fallback=true
 force_autohinter=false
 hinting=1
+subpixel_positioning=1
 oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
 compress=true
-preload/char_ranges=PackedStringArray()
-preload/glyph_ranges=PackedStringArray()
-preload/configurations=PackedStringArray()
-support_overrides/language_enabled=PackedStringArray()
-support_overrides/language_disabled=PackedStringArray()
-support_overrides/script_enabled=PackedStringArray()
-support_overrides/script_disabled=PackedStringArray()
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}
diff --git a/gui/bidi_and_font_features/fonts/NotoSansThaiUI_Regular.ttf.import b/gui/bidi_and_font_features/fonts/NotoSansThaiUI_Regular.ttf.import
index 681e3e0045..baccff7c3a 100644
--- a/gui/bidi_and_font_features/fonts/NotoSansThaiUI_Regular.ttf.import
+++ b/gui/bidi_and_font_features/fonts/NotoSansThaiUI_Regular.ttf.import
@@ -1,7 +1,7 @@
 [remap]
 
 importer="font_data_dynamic"
-type="FontData"
+type="FontFile"
 uid="uid://dcyy0x2u3jocr"
 path="res://.godot/imported/NotoSansThaiUI_Regular.ttf-a2b65614687aa5ce07b4d39f23198f14.fontdata"
 
@@ -12,17 +12,22 @@ dest_files=["res://.godot/imported/NotoSansThaiUI_Regular.ttf-a2b65614687aa5ce07
 
 [params]
 
-antialiased=true
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
 multichannel_signed_distance_field=false
 msdf_pixel_range=8.0
+msdf_size=48
+allow_system_fallback=true
 force_autohinter=false
 hinting=1
+subpixel_positioning=1
 oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
 compress=true
-preload/char_ranges=PackedStringArray()
-preload/glyph_ranges=PackedStringArray()
-preload/configurations=PackedStringArray()
-support_overrides/language_enabled=PackedStringArray()
-support_overrides/language_disabled=PackedStringArray()
-support_overrides/script_enabled=PackedStringArray()
-support_overrides/script_disabled=PackedStringArray()
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}
diff --git a/gui/bidi_and_font_features/fonts/NotoSansUI_Regular.ttf.import b/gui/bidi_and_font_features/fonts/NotoSansUI_Regular.ttf.import
index 03bfa53103..92dca02c94 100644
--- a/gui/bidi_and_font_features/fonts/NotoSansUI_Regular.ttf.import
+++ b/gui/bidi_and_font_features/fonts/NotoSansUI_Regular.ttf.import
@@ -1,7 +1,7 @@
 [remap]
 
 importer="font_data_dynamic"
-type="FontData"
+type="FontFile"
 uid="uid://ba53h385o6ips"
 path="res://.godot/imported/NotoSansUI_Regular.ttf-e126ff40055cb76ad9714327677638b8.fontdata"
 
@@ -12,17 +12,22 @@ dest_files=["res://.godot/imported/NotoSansUI_Regular.ttf-e126ff40055cb76ad97143
 
 [params]
 
-antialiased=true
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
 multichannel_signed_distance_field=false
 msdf_pixel_range=8.0
+msdf_size=48
+allow_system_fallback=true
 force_autohinter=false
 hinting=1
+subpixel_positioning=1
 oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
 compress=true
-preload/char_ranges=PackedStringArray()
-preload/glyph_ranges=PackedStringArray()
-preload/configurations=PackedStringArray()
-support_overrides/language_enabled=PackedStringArray()
-support_overrides/language_disabled=PackedStringArray()
-support_overrides/script_enabled=PackedStringArray()
-support_overrides/script_disabled=PackedStringArray()
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}
diff --git a/gui/bidi_and_font_features/icon.png.import b/gui/bidi_and_font_features/icon.png.import
index f8b1f3cb76..7827de0bbc 100644
--- a/gui/bidi_and_font_features/icon.png.import
+++ b/gui/bidi_and_font_features/icon.png.import
@@ -1,9 +1,9 @@
 [remap]
 
 importer="texture"
-type="StreamTexture2D"
+type="CompressedTexture2D"
 uid="uid://g6u3g3bv5nva"
-path="res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"
+path="res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.ctex"
 metadata={
 "vram_texture": false
 }
@@ -11,17 +11,16 @@ metadata={
 [deps]
 
 source_file="res://icon.png"
-dest_files=["res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"]
+dest_files=["res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.ctex"]
 
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
-compress/streamed=false
 mipmaps/generate=false
 mipmaps/limit=-1
 roughness/mode=0
@@ -29,7 +28,7 @@ roughness/src_normal=""
 process/fix_alpha_border=true
 process/premult_alpha=false
 process/normal_map_invert_y=false
-process/HDR_as_SRGB=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
 process/size_limit=0
 detect_3d/compress_to=1
-svg/scale=1.0
diff --git a/gui/bidi_and_font_features/lib_font.tres b/gui/bidi_and_font_features/lib_font.tres
index 40c972ab58..93af22729c 100644
--- a/gui/bidi_and_font_features/lib_font.tres
+++ b/gui/bidi_and_font_features/lib_font.tres
@@ -1,6 +1,6 @@
-[gd_resource type="Font" load_steps=2 format=2]
+[gd_resource type="FontVariation" load_steps=2 format=3 uid="uid://bymgwaapysw4i"]
 
-[ext_resource path="res://fonts/LinLibertine_R.otf" type="FontData" id=1]
+[ext_resource type="FontFile" uid="uid://bic5b75wmaxwj" path="res://fonts/LinLibertine_R.otf" id="1"]
 
 [resource]
-data/0 = ExtResource( 1 )
+base_font = ExtResource("1")
diff --git a/gui/bidi_and_font_features/noto_font.tres b/gui/bidi_and_font_features/noto_font.tres
index 4790275d7a..40db74e940 100644
--- a/gui/bidi_and_font_features/noto_font.tres
+++ b/gui/bidi_and_font_features/noto_font.tres
@@ -1,12 +1,6 @@
-[gd_resource type="Font" load_steps=5 format=2]
+[gd_resource type="FontVariation" load_steps=2 format=3 uid="uid://dewurnqemtrs"]
 
-[ext_resource path="res://fonts/NotoSansThaiUI_Regular.ttf" type="FontData" id=1]
-[ext_resource path="res://fonts/NotoNaskhArabicUI_Regular.ttf" type="FontData" id=2]
-[ext_resource path="res://fonts/NotoSansHebrew_Regular.ttf" type="FontData" id=3]
-[ext_resource path="res://fonts/NotoSansUI_Regular.ttf" type="FontData" id=4]
+[ext_resource type="FontFile" uid="uid://cwer1pi5ka4io" path="res://fonts/NotoSansHebrew_Regular.ttf" id="1_yyyil"]
 
 [resource]
-data/0 = ExtResource( 1 )
-data/1 = ExtResource( 2 )
-data/2 = ExtResource( 3 )
-data/3 = ExtResource( 4 )
+fallbacks = Array[Font]([ExtResource("1_yyyil")])
diff --git a/gui/bidi_and_font_features/project.godot b/gui/bidi_and_font_features/project.godot
index 3fed0a91b2..a211ce50d7 100644
--- a/gui/bidi_and_font_features/project.godot
+++ b/gui/bidi_and_font_features/project.godot
@@ -6,10 +6,23 @@
 ;   [section] ; section goes between []
 ;   param=value ; assign values to parameters
 
-config_version=4
+config_version=5
 
 [application]
 
-config/name="BiDi and font features demo."
+config/name="BiDi and Font Features"
 run/main_scene="res://bidi.tscn"
+config/features=PackedStringArray("4.0")
+run/low_processor_mode=true
 config/icon="res://icon.png"
+
+[display]
+
+window/stretch/mode="canvas_items"
+window/stretch/aspect="expand"
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"
+environment/defaults/default_clear_color=Color(0.2, 0.2, 0.2, 1)
diff --git a/gui/bidi_and_font_features/screenshots/.gdignore b/gui/bidi_and_font_features/screenshots/.gdignore
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/gui/bidi_and_font_features/screenshots/bidi.png.import b/gui/bidi_and_font_features/screenshots/bidi.png.import
deleted file mode 100644
index b20138c23e..0000000000
--- a/gui/bidi_and_font_features/screenshots/bidi.png.import
+++ /dev/null
@@ -1,35 +0,0 @@
-[remap]
-
-importer="texture"
-type="StreamTexture2D"
-uid="uid://e0kr85p63y1e"
-path="res://.godot/imported/bidi.png-b063a53994859c3e43f1022e88c1162c.stex"
-metadata={
-"vram_texture": false
-}
-
-[deps]
-
-source_file="res://screenshots/bidi.png"
-dest_files=["res://.godot/imported/bidi.png-b063a53994859c3e43f1022e88c1162c.stex"]
-
-[params]
-
-compress/mode=0
-compress/lossy_quality=0.7
-compress/hdr_compression=1
-compress/bptc_ldr=0
-compress/normal_map=0
-compress/channel_pack=0
-compress/streamed=false
-mipmaps/generate=false
-mipmaps/limit=-1
-roughness/mode=0
-roughness/src_normal=""
-process/fix_alpha_border=true
-process/premult_alpha=false
-process/normal_map_invert_y=false
-process/HDR_as_SRGB=false
-process/size_limit=0
-detect_3d/compress_to=1
-svg/scale=1.0
diff --git a/gui/bidi_and_font_features/screenshots/font_features.png.import b/gui/bidi_and_font_features/screenshots/font_features.png.import
deleted file mode 100644
index 10908dee15..0000000000
--- a/gui/bidi_and_font_features/screenshots/font_features.png.import
+++ /dev/null
@@ -1,35 +0,0 @@
-[remap]
-
-importer="texture"
-type="StreamTexture2D"
-uid="uid://c1acx0yclosw3"
-path="res://.godot/imported/font_features.png-0a9509f2c2c735752a635f0a4ca36458.stex"
-metadata={
-"vram_texture": false
-}
-
-[deps]
-
-source_file="res://screenshots/font_features.png"
-dest_files=["res://.godot/imported/font_features.png-0a9509f2c2c735752a635f0a4ca36458.stex"]
-
-[params]
-
-compress/mode=0
-compress/lossy_quality=0.7
-compress/hdr_compression=1
-compress/bptc_ldr=0
-compress/normal_map=0
-compress/channel_pack=0
-compress/streamed=false
-mipmaps/generate=false
-mipmaps/limit=-1
-roughness/mode=0
-roughness/src_normal=""
-process/fix_alpha_border=true
-process/premult_alpha=false
-process/normal_map_invert_y=false
-process/HDR_as_SRGB=false
-process/size_limit=0
-detect_3d/compress_to=1
-svg/scale=1.0
diff --git a/gui/bidi_and_font_features/screenshots/line_break_and_fill.png.import b/gui/bidi_and_font_features/screenshots/line_break_and_fill.png.import
deleted file mode 100644
index 18fe97ff06..0000000000
--- a/gui/bidi_and_font_features/screenshots/line_break_and_fill.png.import
+++ /dev/null
@@ -1,35 +0,0 @@
-[remap]
-
-importer="texture"
-type="StreamTexture2D"
-uid="uid://buudvan2lbkg8"
-path="res://.godot/imported/line_break_and_fill.png-7f47b8c4f43550cfc850eae46ff42cd7.stex"
-metadata={
-"vram_texture": false
-}
-
-[deps]
-
-source_file="res://screenshots/line_break_and_fill.png"
-dest_files=["res://.godot/imported/line_break_and_fill.png-7f47b8c4f43550cfc850eae46ff42cd7.stex"]
-
-[params]
-
-compress/mode=0
-compress/lossy_quality=0.7
-compress/hdr_compression=1
-compress/bptc_ldr=0
-compress/normal_map=0
-compress/channel_pack=0
-compress/streamed=false
-mipmaps/generate=false
-mipmaps/limit=-1
-roughness/mode=0
-roughness/src_normal=""
-process/fix_alpha_border=true
-process/premult_alpha=false
-process/normal_map_invert_y=false
-process/HDR_as_SRGB=false
-process/size_limit=0
-detect_3d/compress_to=1
-svg/scale=1.0