diff --git a/changes/4.0.0-beta.1.md b/changes/4.0.0-beta.1.md
new file mode 100644
index 000000000..cd221ef9f
--- /dev/null
+++ b/changes/4.0.0-beta.1.md
@@ -0,0 +1 @@
+ * Fix broken Bulgarian localized of Cyrillic Small Sha (#716).
diff --git a/font-src/glyphs/letter/cyrillic.ptl b/font-src/glyphs/letter/cyrillic.ptl
index dadf11963..5ba7e57d5 100644
--- a/font-src/glyphs/letter/cyrillic.ptl
+++ b/font-src/glyphs/letter/cyrillic.ptl
@@ -600,6 +600,12 @@ glyph-block Letter-Cyrillic-Sha : begin
 
 	select-variant 'cyrl/sha' 0x448
 
+	alias 'cyrl/sha.BGR.straight' null 'cyrl/sha.italicStraight'
+	alias 'cyrl/sha.BGR.tailed' null 'cyrl/sha.italicTailed'
+	alias 'cyrl/sha.BGR.motionSerifed' null 'cyrl/sha.italicMotionSerifed'
+	alias 'cyrl/sha.BGR.motionSerifedTailed' null 'cyrl/sha.italicMotionSerifedTailed'
+	select-variant 'cyrl/sha.BGR'
+
 	define [CyrShchaShape top df] : glyph-proc
 		include : CyrShaShape top df
 		#eject-contour 'serifRB'
@@ -624,6 +630,7 @@ glyph-block Letter-Cyrillic-Sha : begin
 		include : CyrDescender df.rightSB (shift -- 0.05)
 
 	italic-variant 'cyrl/shcha' 0x449
+	alias 'cyrl/shcha.BGR' null 'cyrl/shcha.italic'
 
 	create-glyph 'cyrl/te.SRB' : glyph-proc
 		local df : DivFrame para.diversityM 3
diff --git a/font-src/otl/gsub-locl.ptl b/font-src/otl/gsub-locl.ptl
index 63fb3069c..6c5a07c8f 100644
--- a/font-src/otl/gsub-locl.ptl
+++ b/font-src/otl/gsub-locl.ptl
@@ -42,9 +42,9 @@ export : define [buildLOCL sink para] : begin
 			'cyrl/el'     'turnv'
 			'cyrl/pe'     'n'
 			'cyrl/te'     'm.normal'
-			'cyrl/sha'    'cyrl/sha.italic'
-			'cyrl/shcha'  'cyrl/shcha.italic'
+			'cyrl/sha'    'cyrl/sha.BGR'
+			'cyrl/shcha'  'cyrl/shcha.BGR'
 			'cyrl/yu'     'cyrl/yu.BGR'
 			'cyrl/tse'    'cyrl/tse.italic'
 
-	EndLookupBlock.Front rec sink
\ No newline at end of file
+	EndLookupBlock.Front rec sink
diff --git a/params/variants.toml b/params/variants.toml
index c8bb28f6a..6b0e2b24d 100644
--- a/params/variants.toml
+++ b/params/variants.toml
@@ -919,6 +919,8 @@ selectorUpright."cyrl/i" = "upright"
 selectorItalic."cyrl/i" = "italicToothed"
 selectorUpright."cyrl/sha" = "upright"
 selectorItalic."cyrl/sha" = "italicStraight"
+selectorUpright."cyrl/sha.BGR" = "straight"
+selectorItalic."cyrl/sha.BGR" = "straight"
 selectorUpright."cyrl/dzhe" = "upright"
 selectorItalic."cyrl/dzhe" = "italicStraight"
 
@@ -930,6 +932,8 @@ selectorUpright."cyrl/i" = "upright"
 selectorItalic."cyrl/i" = "italicToothed"
 selectorUpright."cyrl/sha" = "upright"
 selectorItalic."cyrl/sha" = "italicStraight"
+selectorUpright."cyrl/sha.BGR" = "straight"
+selectorItalic."cyrl/sha.BGR" = "straight"
 selectorUpright."cyrl/dzhe" = "upright"
 selectorItalic."cyrl/dzhe" = "italicStraight"
 
@@ -941,6 +945,8 @@ selectorUpright."cyrl/i" = "upright"
 selectorItalic."cyrl/i" = "italicToothed"
 selectorUpright."cyrl/sha" = "upright"
 selectorItalic."cyrl/sha" = "italicStraight"
+selectorUpright."cyrl/sha.BGR" = "straight"
+selectorItalic."cyrl/sha.BGR" = "straight"
 selectorUpright."cyrl/dzhe" = "upright"
 selectorItalic."cyrl/dzhe" = "italicStraight"
 
@@ -952,6 +958,8 @@ selectorUpright."cyrl/i" = "upright"
 selectorItalic."cyrl/i" = "italicTailed"
 selectorUpright."cyrl/sha" = "upright"
 selectorItalic."cyrl/sha" = "italicTailed"
+selectorUpright."cyrl/sha.BGR" = "tailed"
+selectorItalic."cyrl/sha.BGR" = "tailed"
 selectorUpright."cyrl/dzhe" = "upright"
 selectorItalic."cyrl/dzhe" = "italicTailed"
 
@@ -963,6 +971,8 @@ selectorUpright."cyrl/i" = "upright"
 selectorItalic."cyrl/i" = "italicMotionSerifed"
 selectorUpright."cyrl/sha" = "upright"
 selectorItalic."cyrl/sha" = "italicMotionSerifed"
+selectorUpright."cyrl/sha.BGR" = "motionSerifed"
+selectorItalic."cyrl/sha.BGR" = "motionSerifed"
 selectorUpright."cyrl/dzhe" = "upright"
 selectorItalic."cyrl/dzhe" = "italicMotionSerifed"
 
@@ -974,6 +984,8 @@ selectorUpright."cyrl/i" = "upright"
 selectorItalic."cyrl/i" = "italicMotionSerifedTailed"
 selectorUpright."cyrl/sha" = "upright"
 selectorItalic."cyrl/sha" = "italicMotionSerifedTailed"
+selectorUpright."cyrl/sha.BGR" = "motionSerifedTailed"
+selectorItalic."cyrl/sha.BGR" = "motionSerifedTailed"
 selectorUpright."cyrl/dzhe" = "upright"
 selectorItalic."cyrl/dzhe" = "italicMotionSerifedTailed"