I think CAP should be higher...

glyphs/latin-basic-lower.patel

@@ -543,7 +543,7 @@ create-glyph 'r' : glyph-construction
 
 
 ### f
-define fovershoot : O * 6
+define fovershoot : fallback para.fovershoot (O * 6)
 create-glyph 'longs.upright' : glyph-construction
 	set-width WIDTH
 	dont-export
@@ -585,7 +585,6 @@ create-glyph 'longs' : glyph-construction
 		then : include glyphs.'longs.italic' AS_BASE
 		else : include glyphs.'longs.upright' AS_BASE
 
-
 create-glyph 'f' : glyph-construction
 	set-width WIDTH
 	assign-unicode 'f'

parameters.toml

@@ -1,17 +1,18 @@
 [iosevka]
 family = 'Iosevka'
-version = '1.0-beta3'
-codename = 'Agui'
+version = '1.0-beta4'
+codename = 'Yamanashi'
 copyright = 'Copyright (c) 2015 Belleve Invis.'
 licence = '''This font software is licenced under the SIL Open Font Licence, Version 1.1. This is licence is avaliable with a FAQ at: http://scripts.sil.org/OFL. This font software is distributes on an 'AS IS' basis, without warranties or conditions of any kind, either express or implied. See the SIL Open Font licence fot the specific language, premissions and limitations governing your use of this font software.'''
 
 width = 500
-cap = 724
+cap = 735
 xheight = 530
-descender = -194
+descender = -205
 accent = 155
 accentx = 200
 overshoot = -8
+fovershoot = -40
 oxhook = -5
 
 longjut = 175