diff --git a/.gitignore b/.gitignore
index 8e039f3..539a1b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,7 @@ node_modules
 test/
 preview/
 build/
+dist/
 ref/
 pages/
 releases/
diff --git a/features/common.fea b/features/common.fea
index 0bd3406..13f7305 100644
--- a/features/common.fea
+++ b/features/common.fea
@@ -40,19 +40,23 @@ feature ccmp {
 feature mark {
 	script latn;
 		language dflt;
-		lookup markAuto_letter;
+		lookup markAuto_letter1;
+		lookup markAuto_letter2;
 		lookup markAuto_overlay;
 	script grek;
 		language dflt;
-		lookup markAuto_letter;
+		lookup markAuto_letter1;
+		lookup markAuto_letter2;
 		lookup markAuto_overlay;
 	script cyrl;
 		language dflt;
-		lookup markAuto_letter;
+		lookup markAuto_letter1;
+		lookup markAuto_letter2;
 		lookup markAuto_overlay;
 	script dflt;
 		language dflt;
-		lookup markAuto_letter;
+		lookup markAuto_letter1;
+		lookup markAuto_letter2;
 		lookup markAuto_overlay;
 } mark;
 
@@ -70,38 +74,3 @@ feature mkmk {
 		language dflt;
 		lookup mkmkAuto;
 } mkmk;
-
-lookup slashzero {
-	sub zero by zero.slashed;
-} slashzero;
-lookup dotzero {
-	sub zero by zero.dotted;
-} dotzero;
-lookup blankzero {
-	sub zero by zero.unslashed;
-} blankzero;
-
-feature cv01 { script latn; sub a by a.upright; } cv01;
-feature cv02 { script latn; sub a by a.italic; } cv02;
-feature cv03 { script latn; sub i by i.serifed; } cv03;
-feature cv04 { script latn; sub i by i.italic; } cv04;
-feature cv05 { script latn; sub i by i.hooky; } cv05;
-feature cv06 { script latn; sub i by i.zshaped; } cv06;
-feature cv07 { script latn; sub l by l.serifed; } cv07;
-feature cv08 { script latn; sub l by l.italic; } cv08;
-feature cv09 { script latn; sub l by l.hooky; } cv09;
-feature cv10 { script latn; sub l by l.zshaped; } cv10;
-feature cv11 { script latn; sub g by g.doublestorey; } cv11;
-feature cv12 { script latn; sub g by g.singlestorey; } cv12;
-feature cv13 { script latn; lookup slashzero; script dflt; lookup slashzero; } cv13;
-feature cv14 { script latn; lookup dotzero; script dflt; lookup dotzero; } cv14;
-feature cv15 { script latn; lookup blankzero; script dflt; lookup blankzero; } cv15;
-
-feature ss01 { script latn; sub [i l] by [i.serifed l.serifed]; } ss01;
-feature ss02 { script latn; sub [i l] by [i.hooky l.hooky]; } ss02;
-feature ss03 { script latn; sub [i l] by [i.zshaped l.zshaped]; } ss03;
-feature ss04 { script latn; sub g by g.doublestorey; } ss04;
-feature ss05 { script latn; sub g by g.singlestorey; } ss05;
-feature ss06 { script latn; lookup slashzero; script dflt; lookup slashzero; } ss06;
-feature ss07 { script latn; lookup dotzero; script dflt; lookup dotzero; } ss07;
-feature ss08 { script latn; lookup blankzero; script dflt; lookup blankzero; } ss08;
\ No newline at end of file
diff --git a/generator.js b/generator.js
index 8ff5636..290fa99 100644
--- a/generator.js
+++ b/generator.js
@@ -20,6 +20,7 @@ var font = function(){
 	console.log('    Start build font ' + fontUniqueName);
 	var font = buildGlyphs.build.call(emptyFont, para);
 	console.log('    ' + fontUniqueName + " Successfully built.");
+	font.features.sscompose = para.sscompose
 	return font;
 }();
 
@@ -38,6 +39,20 @@ if(argv.feature) (function(){
 	console.log('    Writing feature file -> ' + argv.feature);
 	var featurefile = '\n\n';
 	// markGlyphs
+	for(var feature in font.features.cv) {
+		var base = [], replace = [];
+		for(var key in font.features.cv[feature]) {
+			base.push(key);
+			replace.push(font.features.cv[feature][key]);
+		};
+		var lookupName = feature + 'Auto';
+		featurefile += 'lookup ' + lookupName + ' { sub [' + base.join(' ') + '] by [' + replace.join(' ') + '];} ' + lookupName + ';\n\n';
+		featurefile += 'feature ' + feature + ' { script latn; lookup ' + lookupName + '; script grek; lookup ' + lookupName + '; script cyrl; lookup ' + lookupName + '; script dflt; lookup ' + lookupName + '; } ' + feature + ';\n\n';
+	}
+	for(var feature in font.features.sscompose) {
+		var stmt = font.features.sscompose[feature].map(function(lookup){ return 'lookup ' + lookup + 'Auto'}).join(';')
+		featurefile += 'feature ' + feature + ' { script latn; ' + stmt + '; script grek; ' + stmt + '; script cyrl; ' + stmt + '; script dflt; ' + stmt + '; } ' + feature + ';\n\n';
+	}
 	for(var key in font.features.markGlyphs){
 		featurefile += '@MG_' + key + '= [' + font.features.markGlyphs[key].join(' ') + '];\n'
 	}
diff --git a/glyphs/autobuilds.ptl b/glyphs/autobuilds.ptl
index 83b7479..0cea5aa 100644
--- a/glyphs/autobuilds.ptl
+++ b/glyphs/autobuilds.ptl
@@ -2,6 +2,8 @@
 
 # Build accented glyphs
 define [isAboveMark mark] : mark && mark.anchors && mark.anchors.above && mark.anchors.above.type === MARK
+set font.features {.}
+set font.features.cv {.}
 
 define customDecompositions {
 	# Latvians use comma instead of cedillas in several letters.
@@ -160,7 +162,7 @@ define [pad s n] : begin
 #set font.features.ccmp {}
 define [shorter x y] : if (x.length < y.length) x y
 
-let : begin
+local {cfv} : let : begin
 	local nComposed 0
 	local foundDecompositions {.}
 	define [decideName namingParts parts code] : begin
@@ -171,7 +173,7 @@ let : begin
 			local j 2
 			while foundDecompositions.(glyphName + j) [inc j]
 			set glyphName (glyphName + j)
-		if (glyphName.length > 30) : set glyphName ('uni' + [pad [[code.toString 16].toUpperCase] 4])
+		if (glyphName.length > 27) : set glyphName ('uni' + [pad [[code.toString 16].toUpperCase] 4])
 		return glyphName
 	local [buildForCode code] : if [not unicodeGlyphs.(code)] : begin
 		local str : String.fromCharCode code
@@ -195,8 +197,9 @@ let : begin
 	#if (global && global.gc) : global.gc
 	progress "Composition Decision"
 	
+	local {glyphName code parts} {}
 	define construction : glyph-construction
-		assign-unicode code
+		if code : assign-unicode code
 		include parts.0 AS_BASE
 		set-width parts.0.advanceWidth
 		
@@ -205,18 +208,40 @@ let : begin
 			include part
 			names.push part.name
 			if (part.name === 'rtailBR') : eject-contour 'serifRB'
-		#progress "Compose [\[names.join ' + ']] --> \(glyphName)"
+	
+	define [cfv glyphName _pa] : if (!recursive && _pa.0.featureSelector) : begin
+		local h {.}
+		foreach [feature : items-of : Object.keys _pa.0.featureSelector] : begin
+			local variant _pa.0.featureSelector.(feature)
+			local variantRoot glyphs.(variant)
+			if variantRoot : begin
+				set parts {variantRoot :: [_pa.slice 1]}
+				set code null
+				create-glyph (glyphName + '.' + feature) construction
+
+				set h.(feature) (glyphName + '.' + feature)
+		if glyphs.(glyphName) : set glyphs.(glyphName).featureSelector h
+	
 	foreach [_id : items-of : Object.keys foundDecompositions] : begin
-		local {glyphName code parts} foundDecompositions.(_id)
+		set {glyphName code parts} foundDecompositions.(_id)
 		create-glyph glyphName construction
+		cfv glyphName parts
+
 	progress "Unicode Precomposites (\(nComposed) glyphs)"
+	
+	list cfv
 
 
-symbol-block "Manual Precomposites"
-	composite 'i.serifed' glyphs.'dotlessi.serifed' glyphs.dotAbove
-	composite 'i.italic' glyphs.'dotlessi.italic' glyphs.dotAbove
-	composite 'i.hooky' glyphs.'dotlessi.hooky' glyphs.dotAbove
-	composite 'i.zshaped' glyphs.'dotlessi.zshaped' glyphs.dotAbove
+symbol-block "Manual Precomposites and CV variants"
+	cfv 'i' {glyphs.dotlessi glyphs.dotAbove}
+	cfv 'cyrUkrainiani' {glyphs.i}
+
+	foreach [name : items-of : Object.keys glyphs] : begin
+		if glyphs.(name).featureSelector : begin
+			local fs glyphs.(name).featureSelector
+			foreach [feature : items-of : Object.keys fs] : begin
+				if [not font.features.cv.(feature)] : set font.features.cv.(feature) {.}
+				set font.features.cv.(feature).(name) fs.(feature)
 	
 	local MarkZoom : glyph-construction
 		apply-transform : Upright
@@ -231,7 +256,17 @@ symbol-block "Manual Precomposites"
 	composite 'latin1acute' glyphs.space glyphs.acuteAbove MarkZoom [into-unicode 0xB4]
 	composite 'degree' glyphs.space glyphs.ringAbove MarkZoom [into-unicode 0xB0]
 	
-	composite 'asciitilde.centered' glyphs.asciitilde [Upright] [Translate 0 (parenMid - XH - ACCENT)] [Italify]
+	if [not recursive] : begin
+		composite 'asciitilde.centered' glyphs.asciitilde [Upright] [Translate 0 (parenMid - XH - ACCENT)] [Italify]
+		set glyphs.asciitilde.featureSelector {
+			.cv16 'asciitilde'
+			.cv17 'asciitilde.centered'
+		}
+		composite 'asterisk.centered' glyphs.asterisk [Upright] [Translate 0 (parenMid - glyphs.asterisk.centery)] [Italify]
+		set glyphs.asterisk.featureSelector {
+			.cv18 'asterisk'
+			.cv19 'asterisk.centered'
+		}
 
 define [suggestName name] : begin
 	if glyphs.(name) : begin
@@ -261,7 +296,14 @@ define [createCircledGlyphs records] : if [not recursive] : begin
 			apply-transform : Translate (width / 2) (CAP / 2 * dscale)
 			apply-transform : Italify
 			refair this
-		include : OShape (CAP * dscale + [Math.max (CAP * 0.175) (sw * 3)]) (-[Math.max (CAP * 0.175) (sw * 3)]) [Math.max (SB + O * 3) (width / 2 - CAP / 2 * dscale - sw * 2.5)] [Math.min (width - SB - O * 3) (width / 2 + CAP / 2 * dscale + sw * 2.5)] sw (SMALLSMOOTHA * width / WIDTH) (SMALLSMOOTHB * width / WIDTH)
+		include : OShape 
+			* (CAP * dscale + [Math.max (CAP * 0.175) (sw * 3)])
+			* (-[Math.max (CAP * 0.175) (sw * 3)])
+			* [Math.max (SB + O * 3) (width / 2 - CAP / 2 * dscale - sw * 2.5)]
+			* [Math.min (width - SB - O * 3) (width / 2 + CAP / 2 * dscale + sw * 2.5)]
+			* sw
+			* (SMALLSMOOTHA * width / WIDTH)
+			* (SMALLSMOOTHB * width / WIDTH)
 		apply-transform : Upright
 		apply-transform : Translate 0 (parenMid - CAP * dscale / 2)
 		apply-transform : Italify
@@ -724,7 +766,6 @@ if [not recursive] : begin
 		set font.glyf : font.glyf.filter [lambda [g] : g.advanceWidth <= WIDTH]
 		set glyphList font.glyf
 
-	set font.features {.}
 	set font.features.mark {.}
 	set font.features.mkmk {.marks {} .bases {}}
 	set font.features.markGlyphs {.}
@@ -749,7 +790,8 @@ if [not recursive] : begin
 					then : lookup.marks.push : 'markClass ' + glyph.name + [buildAnchorDescription glyph '' 'x' 'y' 'mark' th]
 					else : lookup.bases.push : 'pos base ' + glyph.name + [buildAnchorDescription glyph 'mark' 'x' 'y' 'mark' th]
 	
-	createMarkLookup 'letter' {'above' 'below' 'trailing' 'lf' 'topright' 'bottomright'}
+	createMarkLookup 'letter1' {'above' 'below'}
+	createMarkLookup 'letter2' {'trailing' 'lf' 'topright' 'bottomright'}
 	createMarkLookup 'overlay' {'overlay' 'slash'}
 	# mkmk and GDEF
 	foreach glyph [items-of glyphList] : if (glyph.anchors && [begin [local anchorKeys : Object.keys glyph.anchors] anchorKeys.length])
diff --git a/glyphs/common-shapes.ptl b/glyphs/common-shapes.ptl
index 04f56a9..9875b3d 100644
--- a/glyphs/common-shapes.ptl
+++ b/glyphs/common-shapes.ptl
@@ -1,11 +1,12 @@
 ###### COMMON GLYPH CONSTRUCTIONS
-define [select-variant name unicode default] : begin
+define [select-variant name unicode default featureSelector] : begin
 	if (pickHash && [not pickHash.(name)]) : return nothing
 	local variant : variantSelector.(name) || default
 	local chosenGlyph glyphs.((name + '.' + variant))
 	create-glyph name : glyph-construction
 		include chosenGlyph AS_BASE
 		if unicode : assign-unicode unicode
+		if featureSelector : set currentGlyph.featureSelector featureSelector
 
 define [italic-variant name unicode] : create-glyph name : glyph-construction
 	if para.isItalic
@@ -13,10 +14,12 @@ define [italic-variant name unicode] : create-glyph name : glyph-construction
 		else : include glyphs.(name + '.upright') AS_BASE
 	if unicode : assign-unicode unicode
 
-define [alias newid unicode oldid] : create-glyph newid : glyph-construction
-	if unicode : assign-unicode unicode
-	include glyphs.(oldid) AS_BASE
-	set-width glyphs.(oldid).advanceWidth
+define [alias newid unicode oldid] : begin
+	create-glyph newid : glyph-construction
+		if unicode : assign-unicode unicode
+		include glyphs.(oldid) AS_BASE
+		set-width glyphs.(oldid).advanceWidth
+		set this.featureSelector glyphs.(oldid).featureSelector
 
 define [composite newid] : let [parts : {}.slice.call arguments 1] : begin
 	create-glyph [fallback newid ('glyph' + [set nTemp (nTemp + 1)])] : glyph-construction
diff --git a/glyphs/letters-unified-basic.ptl b/glyphs/letters-unified-basic.ptl
index a481dab..cc3f7a5 100644
--- a/glyphs/letters-unified-basic.ptl
+++ b/glyphs/letters-unified-basic.ptl
@@ -67,12 +67,17 @@ symbol-block 'i'
 		set-anchor 'above' BASE (left + HALFSTROKE * HVCONTRAST + [linreg 18 0.25 126 0 STROKE] * TANSLANT * WIDTH) XH
 		set-anchor 'below' BASE middle 0
 	
-	select-variant 'dotlessi' 0x131 [if para.isItalic 'italic' 'serifed']
+	select-variant 'dotlessi' 0x131 [if para.isItalic 'italic' 'serifed'] {
+		.'cv03' 'dotlessi.serifed'
+		.'cv04' 'dotlessi.italic'
+		.'cv05' 'dotlessi.hooky'
+		.'cv06' 'dotlessi.zshaped'
+	}
+	
 	create-glyph 'iogonek.dotless' : glyph-construction
 		include glyphs.dotlessi AS_BASE
 		include glyphs.ogonekBelow
 
-	
 	create-glyph 'i' : glyph-construction
 		set-width WIDTH
 		assign-unicode 'i'
@@ -291,7 +296,12 @@ symbol-block 'l'
 		set-anchor 'below' BASE middle 0
 		set this.barx (left + HALFSTROKE)
 	
-	select-variant 'l' 'l' [if para.isItalic 'italic' 'serifed']
+	select-variant 'l' 'l' [if para.isItalic 'italic' 'serifed'] {
+		.'cv07' 'l.serifed'
+		.'cv08' 'l.italic'
+		.'cv09' 'l.hooky'
+		.'cv10' 'l.zshaped'
+	}
 	alias 'palochka' 0x4CF 'l'
 	turned 'turnl' 0xA781 'l' MIDDLE (XH / 2) pMarks
 	
@@ -526,13 +536,10 @@ symbol-block 'a'
 			include : RightwardBottomSerif RIGHTSB 0 SIDEJUT
 			tag-contour 'serifRB'
 	
-	create-glyph 'a' : glyph-construction
-		set-width WIDTH
-		assign-unicode 'a'
-		
-		if (para.isItalic)
-			then : include glyphs.'a.italic' AS_BASE
-			else : include glyphs.'a.upright' AS_BASE
+	select-variant 'a' 'a' [if para.isItalic 'italic' 'upright'] {
+		.'cv01' 'a.upright'
+		.'cv02' 'a.italic'
+	}
 	alias 'cyra' 0x430 'a'
 	
 	create-glyph 'scripta' : glyph-construction
@@ -1687,7 +1694,10 @@ symbol-block 'g'
 			include : RightwardTopSerif RIGHTSB XH SIDEJUT
 			tag-contour 'serifRT'
 	
-	select-variant 'g' 'g' 'doublestorey'
+	select-variant 'g' 'g' 'doublestorey' {
+		.cv11 'g.doublestorey'
+		.cv12 'g.singlestorey'
+	}
 	alias 'scriptg' 0x261 'g.singlestorey'
 	
 	turned nothing 0x1D77 'g' MIDDLE [mix DESCENDER XH 0.5]
diff --git a/glyphs/numbers.ptl b/glyphs/numbers.ptl
index e11cbf2..b201685 100644
--- a/glyphs/numbers.ptl
+++ b/glyphs/numbers.ptl
@@ -21,7 +21,11 @@ symbol-block "Numbers"
 		local radius : Math.min DOTRADIUS ((RIGHTSB - SB - STROKE * 2) / 4)
 		include : Ring (CAPMIDDLE + radius) (CAPMIDDLE - radius) (MIDDLE + radius) (MIDDLE - radius)
 	
-	select-variant 'zero' '0' 'slashed'
+	select-variant 'zero' '0' 'slashed' {
+		.cv13 'zero.slashed'
+		.cv14 'zero.dotted'
+		.cv15 'zero.unslashed'
+	}
 	
 	
 	create-glyph 'one' : glyph-construction
diff --git a/glyphs/symbol-punctuation.ptl b/glyphs/symbol-punctuation.ptl
index 26c4c61..157f424 100644
--- a/glyphs/symbol-punctuation.ptl
+++ b/glyphs/symbol-punctuation.ptl
@@ -369,6 +369,8 @@ symbol-block 'Typographic Symbols'
 			include : dispiro
 				flat MIDDLE centery [widths fine fine]
 				curl (MIDDLE + radius * s) (centery + radius * c) [widths final final]
+		
+		set currentGlyph.centery centery
 	create-glyph 'numbersign' : glyph-construction
 		set-width WIDTH
 		assign-unicode '#'
diff --git a/makefile b/makefile
index 60e776d..36d702b 100644
--- a/makefile
+++ b/makefile
@@ -1,6 +1,5 @@
 default: fonts
 
-OBJDIR = build
 include makesupport.mk
 PARAM_DEFAULT = FAST='$(FAST)' SUFFIX='$(SUFFIX)' VARIANTNAME='$(VARIANTNAME)' STYLE_COMMON='$(STYLE_COMMON)' STYLE_UPRIGHT='$(STYLE_UPRIGHT)' STYLE_ITALIC='$(STYLE_ITALIC)' VERSION='$(VERSION)' ARCPREFIX='$(ARCPREFIX)'
 PARAM_SLAB = FAST='$(FAST)' SUFFIX='$(SUFFIX)-slab' VARIANTNAME='$(VARIANTNAME)' STYLE_COMMON='$(STYLE_COMMON)' STYLE_SUFFIX='slab' STYLE_UPRIGHT='$(STYLE_UPRIGHT)' STYLE_ITALIC='$(STYLE_ITALIC)' VERSION='$(VERSION)' ARCPREFIX='$(ARCPREFIX)'
@@ -14,20 +13,18 @@ test  : test-default test-slab
 pages : pages-default pages-slab
 release : release-default release-slab
 	
-$(OBJDIR) :
-	@- mkdir $@
 
 # svgs
-svgs-default : $(SCRIPTS) | $(OBJDIR)
+svgs-default : $(SCRIPTS) | $(OBJDIR) $(DISTDIR)
 	@$(MAKE) -f onegroup.mk svgs $(PARAM_DEFAULT)
-svgs-slab : $(SCRIPTS) | $(OBJDIR)
+svgs-slab : $(SCRIPTS) | $(OBJDIR) $(DISTDIR)
 	@$(MAKE) -f onegroup.mk svgs $(PARAM_SLAB)
 
 
 # ttfs
-fonts-default : $(SCRIPTS) | $(OBJDIR)
+fonts-default : $(SCRIPTS) | $(OBJDIR) $(DISTDIR)
 	@$(MAKE) -f onegroup.mk fonts $(PARAM_DEFAULT)
-fonts-slab : $(SCRIPTS) | $(OBJDIR)
+fonts-slab : $(SCRIPTS) | $(OBJDIR) $(DISTDIR)
 	@$(MAKE) -f onegroup.mk fonts $(PARAM_SLAB)
 
 
diff --git a/makesupport.mk b/makesupport.mk
index 2d45f4d..71edf6a 100644
--- a/makesupport.mk
+++ b/makesupport.mk
@@ -1,3 +1,11 @@
+OBJDIR = build
+DISTDIR = dist
+
+$(OBJDIR) :
+	@- mkdir $@
+$(DISTDIR) :
+	@- mkdir $@
+
 PATELC = node ./node_modules/patel/bin/patel-c
 SUPPORT_FILES_FROM_aki = support/glyph.js support/spiroexpand.js support/spirokit.js parameters.js
 SUPPORT_FILES = $(SUPPORT_FILES_FROM_aki) support/point.js generator.js emptyfont.toml parameters.toml support/fairify.js
diff --git a/onegroup.mk b/onegroup.mk
index 0e478ab..d11c606 100644
--- a/onegroup.mk
+++ b/onegroup.mk
@@ -1,7 +1,6 @@
 default: fonts
 
 TARGETUPM = 1000
-OBJDIR = build
 include makesupport.mk
 PREFIX = $(VARIANTNAME)iosevka$(SUFFIX)
 ARCPREFIXB = iosevka$(SUFFIX)
@@ -38,7 +37,9 @@ PASS2   = $(subst $(OBJDIR)/,$(OBJDIR)/.pass2-,$(TARGETS))
 PASS3   = $(subst $(OBJDIR)/,$(OBJDIR)/.pass3-,$(TARGETS))
 PASS4   = $(subst $(OBJDIR)/,$(OBJDIR)/.pass4-,$(TARGETS))
 
-fonts : $(TARGETS)
+DISTTARGETS = $(subst $(OBJDIR)/,$(DISTDIR)/,$(TARGETS))
+
+fonts : $(DISTTARGETS)
 svgs : $(SVG0)
 
 	
@@ -116,8 +117,8 @@ $(PASS4) : $(OBJDIR)/.pass4-%.ttf : pass4-finalize.js $(OBJDIR)/.pass3-%.ttf
 $(TARGETS) : $(OBJDIR)/%.ttf : $(OBJDIR)/.pass4-%.ttf
 	ttfautohint $< $@
 
-$(OBJDIR) :
-	@- mkdir $@
+$(DISTTARGETS) : $(DISTDIR)/%.ttf : $(OBJDIR)/%.ttf
+	cp $< $@
 
 # releaseing
 RELEASEDIR = releases
diff --git a/parameters.toml b/parameters.toml
index c7fa208..3c9a93a 100644
--- a/parameters.toml
+++ b/parameters.toml
@@ -63,6 +63,18 @@ lllcrowdedness = 3.33333333
 
 [iosevka.variantSelector]
 
+[iosevka.sscompose]
+ss01 = ['cv04', 'cv07']
+ss02 = ['cv05', 'cv09']
+ss03 = ['cv06', 'cv10']
+ss04 = ['cv11']
+ss05 = ['cv12']
+ss06 = ['cv13']
+ss07 = ['cv14']
+ss08 = ['cv15']
+ss09 = ['cv16', 'cv18']
+ss10 = ['cv17', 'cv19']
+
 # Spacings
 [cjk]
 cjk = true
diff --git a/pass4-finalize.js b/pass4-finalize.js
index f0839cb..c799c3f 100644
--- a/pass4-finalize.js
+++ b/pass4-finalize.js
@@ -39,6 +39,7 @@ function writettf(ttf, file){
 }
 
 var ttf = readttf(process.argv[2]);
+delete ttf.FFTM
 // Fixes xAvgCharWidth
 var spacewidth = ttf.head.unitsPerEm / 2;
 for(var j = 0; j < ttf.glyf.length; j++) if(ttf.glyf[j] && ttf.glyf[j].unicode && ttf.glyf[j].unicode[0] === 0x20) {