diff --git a/buildglyphs.patel b/buildglyphs.patel
index a29c3e871..94fd970e8 100644
--- a/buildglyphs.patel
+++ b/buildglyphs.patel
@@ -164,7 +164,7 @@ define [buildFont para recursive] : begin
 	define [adviceBlackness crowdedness] : Math.min STROKE ((RIGHTSB - SB) * (1 - WHITENESS) / (crowdedness * CORRECTION_HX))
 	define MVERTSTROKE : adviceBlackness : fallback para.lllcrowdedness (3 + 1 / 3)
 	define OVERLAYSTROKE : adviceBlackness 4
-	define OPERATORSTROKE : adviceBlackness 3
+	define OPERATORSTROKE : adviceBlackness 3.2
 	
 	# Anchor parameters
 	define BASE 'base'
diff --git a/glyphs/greek.patel b/glyphs/greek.patel
index a35e84c14..772f5c21b 100644
--- a/glyphs/greek.patel
+++ b/glyphs/greek.patel
@@ -530,9 +530,9 @@ create-glyph 'varphi' : glyph-construction
 	include : VBar MIDDLE y1 y2 MVERTSTROKE
 	include : VBar MIDDLE (y2 - HALFSTROKE) CAP
 
-create-glyph 'phi' : glyph-construction
-	assign-unicode 0x3C6
-	include pMarks
+create-glyph 'taillessphi' : glyph-construction
+	assign-unicode 0x2C77
+	include eMarks
 	local x0 : mix SB RIGHTSB 0.1
 	local y1 : mix 0 XH 0.75
 	local x1 : SB + O * 2
@@ -551,6 +551,11 @@ create-glyph 'phi' : glyph-construction
 		archv
 		flat (MIDDLE - MVERTSTROKE / 2 * CORRECTION_HX) y3
 		curl (MIDDLE - MVERTSTROKE / 2 * CORRECTION_HX) 0 [heading DOWNWARD]
+
+create-glyph 'phi' : glyph-construction
+	assign-unicode 0x3C6
+	include pMarks
+	include glyphs.taillessphi
 	include : VBar MIDDLE DESCENDER (MVERTSTROKE * 0.2)
 
 
diff --git a/glyphs/latin-extend-decorated.patel b/glyphs/latin-extend-decorated.patel
index 0cd65812c..3cef8fe4c 100644
--- a/glyphs/latin-extend-decorated.patel
+++ b/glyphs/latin-extend-decorated.patel
@@ -951,4 +951,5 @@ create-glyph 'bidentalpercussive' : glyph-construction
 	include g
 
 # Turned glyphs
-turned nothing 0x27A 'rlongleg' MIDDLE (XH / 2) [anchorDeriv bMarks {.anchors {.bottomright {.type BASE .x RIGHTSB - RBALANCE .y 0}}}]
\ No newline at end of file
+turned nothing 0x27A 'rlongleg' MIDDLE (XH / 2) [anchorDeriv bMarks {.anchors {.bottomright {.type BASE .x RIGHTSB - RBALANCE .y 0}}}]
+turned nothing 0x2C79 'rrtail' MIDDLE (XH / 2)
\ No newline at end of file
diff --git a/glyphs/symbol-math.patel b/glyphs/symbol-math.patel
index 2a9fe9d9e..4d9dccfc8 100644
--- a/glyphs/symbol-math.patel
+++ b/glyphs/symbol-math.patel
@@ -310,4 +310,9 @@ create-glyph 'integrate' : glyph-construction
 	assign-unicode 0x222B
 	include : LongSShape parenTop parenBot HOOK (HOOK * 0.75) OPERATORSTROKE
 
-dual 'doubleintegrate' 0x222C 'integrate' (0.5 * WIDTH)
\ No newline at end of file
+dual 'doubleintegrate' 0x222C 'integrate' (0.5 * WIDTH)
+
+create-glyph 'ringintegrate' : glyph-construction
+	assign-unicode 0x222E
+	include glyphs.integrate
+	include : smallo (parenMid + (RIGHTSB - SB) / 2) (parenMid - (RIGHTSB - SB) / 2) SB RIGHTSB OPERATORSTROKE
\ No newline at end of file
diff --git a/parameters.toml b/parameters.toml
index 4c5df24fb..32a1cad22 100644
--- a/parameters.toml
+++ b/parameters.toml
@@ -1,6 +1,6 @@
 [iosevka]
 family = 'Iosevka'
-version = 'r0.1.16-p1'
+version = 'r0.1.16-p3'
 codename = 'Mi-tsieng'
 copyright = 'Copyright (c) 2015 Belleve Invis.'