diff --git a/runtime/syntax/cs.vim b/runtime/syntax/cs.vim
index 2ba629f..111bc85 100644
--- a/runtime/syntax/cs.vim
+++ b/runtime/syntax/cs.vim
@@ -1,10 +1,12 @@
 " Vim syntax file
-" Language:	C#
-" Maintainer:	Anduin Withers <awithers@anduin.com>
+" Language:		C#
+" Maintainer:		Nick Jensen <nickspoon@gmail.com>
+" Former Maintainer:	Anduin Withers <awithers@anduin.com>
 " Former Maintainer:	Johannes Zellner <johannes@zellner.org>
-" Last Change:	Fri Aug 14 13:56:37 PDT 2009
-" Filenames:	*.cs
-" $Id: cs.vim,v 1.4 2006/05/03 21:20:02 vimboss Exp $
+" Last Change:		2018-05-02
+" Filenames:		*.cs
+" License:		Vim (see :h license)
+" Repository:		https://github.com/nickspoons/vim-cs
 "
 " REFERENCES:
 " [1] ECMA TC39: C# Language Specification (WD13Oct01.doc)
@@ -17,11 +19,8 @@
 set cpo&vim
 
 
-" type
-syn keyword csType			bool byte char decimal double float int long object sbyte short string uint ulong ushort void
-" storage
-syn keyword csStorage			class delegate enum interface namespace struct
-" repeat / condition / label
+syn keyword csType			bool byte char decimal double float int long object sbyte short string T uint ulong ushort var void dynamic
+syn keyword csStorage			delegate enum interface namespace struct
 syn keyword csRepeat			break continue do for foreach goto return while
 syn keyword csConditional		else if switch
 syn keyword csLabel			case default
@@ -29,21 +28,16 @@
 syn match csOperatorError		display +::+
 " user labels (see [1] 8.6 Statements)
 syn match   csLabel			display +^\s*\I\i*\s*:\([^:]\)\@=+
-" modifier
 syn keyword csModifier			abstract const extern internal override private protected public readonly sealed static virtual volatile
-" constant
 syn keyword csConstant			false null true
-" exception
-syn keyword csException			try catch finally throw
+syn keyword csException			try catch finally throw when
+syn keyword csLinq			ascending by descending equals from group in into join let on orderby select where
+syn keyword csAsync			async await
 
-" TODO:
-syn keyword csUnspecifiedStatement	as base checked event fixed in is lock new operator out params ref sizeof stackalloc this typeof unchecked unsafe using
-" TODO:
+syn keyword csUnspecifiedStatement	as base checked event fixed get in is lock nameof operator out params ref set sizeof stackalloc this typeof unchecked unsafe using
 syn keyword csUnsupportedStatement	add remove value
-" TODO:
 syn keyword csUnspecifiedKeyword	explicit implicit
 
-
 " Contextual Keywords
 syn match csContextualStatement	/\<yield[[:space:]\n]\+\(return\|break\)/me=s+5
 syn match csContextualStatement	/\<partial[[:space:]\n]\+\(class\|struct\|interface\)/me=s+7
@@ -56,7 +50,7 @@
 "
 " TODO: include strings ?
 "
-syn keyword csTodo		contained TODO FIXME XXX NOTE
+syn keyword csTodo		contained TODO FIXME XXX NOTE HACK
 syn region  csComment		start="/\*"  end="\*/" contains=@csCommentHook,csTodo,@Spell
 syn match   csComment		"//.*$" contains=@csCommentHook,csTodo,@Spell
 
@@ -89,8 +83,15 @@
     \ skip="\\$" end="$" contains=csComment keepend
 syn region	csRegion matchgroup=csPreCondit start="^\s*#\s*region.*$"
     \ end="^\s*#\s*endregion" transparent fold contains=TOP
+syn region	csSummary start="^\s*/// <summary" end="^\(\s*///\)\@!" transparent fold keepend
 
 
+syn region	csClassType start="\(@\)\@<!class\>"hs=s+6 end="[:\n{]"he=e-1 contains=csClass
+syn region	csNewType start="\(@\)\@<!new\>"hs=s+4 end="[\(\<{\[]"he=e-1 contains=csNew contains=csNewType
+syn region	csIsType start="\v (is|as) "hs=s+4 end="\v[A-Za-z0-9]+" oneline contains=csIsAs
+syn keyword	csNew new contained
+syn keyword	csClass class contained
+syn keyword	csIsAs is as
 
 " Strings and constants
 syn match   csSpecialError	contained "\\."
@@ -113,7 +114,11 @@
 
 " The default highlighting.
 hi def link csType			Type
+hi def link csNewType			Type
+hi def link csClassType			Type
+hi def link csIsType			Type
 hi def link csStorage			StorageClass
+hi def link csClass			StorageClass
 hi def link csRepeat			Repeat
 hi def link csConditional		Conditional
 hi def link csLabel			Label
@@ -123,8 +128,13 @@
 hi def link csUnspecifiedStatement	Statement
 hi def link csUnsupportedStatement	Statement
 hi def link csUnspecifiedKeyword	Keyword
+hi def link csNew			Statement
+hi def link csLinq			Statement
+hi def link csIsAs 			Keyword
+hi def link csAsync			Keyword
 hi def link csContextualStatement	Statement
 hi def link csOperatorError		Error
+hi def link csInterfaceDeclaration	Include
 
 hi def link csTodo			Todo
 hi def link csComment			Comment
diff --git a/runtime/syntax/debchangelog.vim b/runtime/syntax/debchangelog.vim
index e79fc9a..edaaf61 100644
--- a/runtime/syntax/debchangelog.vim
+++ b/runtime/syntax/debchangelog.vim
@@ -3,11 +3,11 @@
 " Maintainer:  Debian Vim Maintainers
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2018 Jan 06
+" Last Change: 2018 May 03
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debchangelog.vim
 
 " Standard syntax initialization
-if exists("b:current_syntax")
+if exists('b:current_syntax')
   finish
 endif
 
@@ -21,7 +21,7 @@
 syn match debchangelogName	contained "^[[:alnum:]][[:alnum:].+-]\+ "
 exe 'syn match debchangelogFirstKV	contained "; \('.s:urgency.'\|'.s:binNMU.'\)"'
 exe 'syn match debchangelogOtherKV	contained ", \('.s:urgency.'\|'.s:binNMU.'\)"'
-syn match debchangelogTarget	contained "\v %(frozen|unstable|sid|%(testing|%(old)=stable)%(-proposed-updates|-security)=|experimental|squeeze-%(backports%(-sloppy)=|volatile|lts|security)|%(wheezy|jessie)%(-backports%(-sloppy)=|-security)=|stretch%(-backports|-security)=|%(devel|precise|trusty|vivid|wily|xenial|yakkety|zesty|artful|bionic)%(-%(security|proposed|updates|backports|commercial|partner))=)+"
+syn match debchangelogTarget	contained "\v %(frozen|unstable|sid|%(testing|%(old)=stable)%(-proposed-updates|-security)=|experimental|squeeze-%(backports%(-sloppy)=|volatile|lts|security)|%(wheezy|jessie)%(-backports%(-sloppy)=|-security)=|stretch%(-backports|-security)=|%(devel|precise|trusty|vivid|wily|xenial|yakkety|zesty|artful|bionic|cosmic)%(-%(security|proposed|updates|backports|commercial|partner))=)+"
 syn match debchangelogVersion	contained "(.\{-})"
 syn match debchangelogCloses	contained "closes:\_s*\(bug\)\=#\=\_s\=\d\+\(,\_s*\(bug\)\=#\=\_s\=\d\+\)*"
 syn match debchangelogLP	contained "\clp:\s\+#\d\+\(,\s*#\d\+\)*"
@@ -46,6 +46,6 @@
 hi def link debchangelogTarget  Identifier
 hi def link debchangelogEmail   Special
 
-let b:current_syntax = "debchangelog"
+let b:current_syntax = 'debchangelog'
 
 " vim: ts=8 sw=2
diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
index 945812f..3504780 100644
--- a/runtime/syntax/debcontrol.vim
+++ b/runtime/syntax/debcontrol.vim
@@ -3,11 +3,11 @@
 " Maintainer:  Debian Vim Maintainers
 " Former Maintainers: Gerfried Fuchs <alfie@ist.org>
 "                     Wichert Akkerman <wakkerma@debian.org>
-" Last Change: 2018 Jan 06
+" Last Change: 2018 Jan 28
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debcontrol.vim
 
 " Standard syntax initialization
-if exists("b:current_syntax")
+if exists('b:current_syntax')
   finish
 endif
 
@@ -135,7 +135,7 @@
 hi def link debcontrolComment       Comment
 hi def link debcontrolElse          Special
 
-let b:current_syntax = "debcontrol"
+let b:current_syntax = 'debcontrol'
 
 let &cpo = s:cpo_save
 unlet s:cpo_save
diff --git a/runtime/syntax/debcopyright.vim b/runtime/syntax/debcopyright.vim
new file mode 100644
index 0000000..c85ca37
--- /dev/null
+++ b/runtime/syntax/debcopyright.vim
@@ -0,0 +1,33 @@
+" Vim syntax file
+" Language:    Debian copyright file
+" Maintainer:  Debian Vim Maintainers
+" Last Change: 2018 Feb 05
+" URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debcopyright.vim
+
+" Standard syntax initialization
+if exists('b:current_syntax')
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn case match
+
+syn match debcopyrightUrl       "\vhttps?://[[:alnum:]][-[:alnum:]]*[[:alnum:]]?(\.[[:alnum:]][-[:alnum:]]*[[:alnum:]]?)*\.[[:alpha:]][-[:alnum:]]*[[:alpha:]]?(:\d+)?(/[^[:space:]]*)?$"
+syn match debcopyrightKey       "^\%(Format\|Upstream-Name\|Upstream-Contact\|Disclaimer\|Source\|Comment\|Files\|Copyright\|License\): *"
+syn match debcopyrightEmail     "[_=[:alnum:]\.+-]\+@[[:alnum:]\./\-]\+"
+syn match debcopyrightEmail     "<.\{-}>"
+syn match debcopyrightComment   "^#.*$" contains=@Spell
+
+hi def link debcopyrightUrl     Identifier
+hi def link debcopyrightKey     Keyword
+hi def link debcopyrightEmail   Identifier
+hi def link debcopyrightComment Comment
+
+let b:current_syntax = 'debcopyright'
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: ts=8 sw=2
diff --git a/runtime/syntax/debsources.vim b/runtime/syntax/debsources.vim
index 4e136fa..c7960c1 100644
--- a/runtime/syntax/debsources.vim
+++ b/runtime/syntax/debsources.vim
@@ -2,11 +2,11 @@
 " Language:     Debian sources.list
 " Maintainer:   Debian Vim Maintainers
 " Former Maintainer: Matthijs Mohlmann <matthijs@cacholong.nl>
-" Last Change: 2018 Jan 06
+" Last Change: 2018 May 03
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/syntax/debsources.vim
 
 " Standard syntax initialization
-if exists("b:current_syntax")
+if exists('b:current_syntax')
   finish
 endif
 
@@ -25,7 +25,7 @@
       \ 'oldstable', 'stable', 'testing', 'unstable', 'experimental',
       \ 'wheezy', 'jessie', 'stretch', 'sid', 'rc-buggy',
       \
-      \ 'trusty', 'xenial', 'zesty', 'artful', 'bionic', 'devel'
+      \ 'trusty', 'xenial', 'artful', 'bionic', 'cosmic', 'devel'
       \ ]
 let s:unsupported = [
       \ 'buzz', 'rex', 'bo', 'hamm', 'slink', 'potato',
@@ -34,12 +34,12 @@
       \ 'warty', 'hoary', 'breezy', 'dapper', 'edgy', 'feisty',
       \ 'gutsy', 'hardy', 'intrepid', 'jaunty', 'karmic', 'lucid',
       \ 'maverick', 'natty', 'oneiric', 'precise', 'quantal', 'raring', 'saucy',
-      \ 'utopic', 'vivid', 'wily', 'yakkety'
+      \ 'utopic', 'vivid', 'wily', 'yakkety', 'zesty'
       \ ]
 let &cpo=s:cpo
 
 " Match uri's
-syn match debsourcesUri            +\(https\?://\|ftp://\|[rs]sh://\|debtorrent://\|\(cdrom\|copy\|file\):\)[^' 	<>"]\++
+syn match debsourcesUri            '\(https\?://\|ftp://\|[rs]sh://\|debtorrent://\|\(cdrom\|copy\|file\):\)[^' 	<>"]\+'
 exe 'syn match debsourcesDistrKeyword   +\([[:alnum:]_./]*\)\<\('. join(s:supported, '\|'). '\)\>\([-[:alnum:]_./]*\)+'
 exe 'syn match debsourcesUnsupportedDistrKeyword +\([[:alnum:]_./]*\)\<\('. join(s:unsupported, '\|') .'\)\>\([-[:alnum:]_./]*\)+'
 
@@ -51,4 +51,4 @@
 hi def link debsourcesComment                 Comment
 hi def link debsourcesUri                     Constant
 
-let b:current_syntax = "debsources"
+let b:current_syntax = 'debsources'
diff --git a/runtime/syntax/vhdl.vim b/runtime/syntax/vhdl.vim
index f4b11ff..efcb840 100644
--- a/runtime/syntax/vhdl.vim
+++ b/runtime/syntax/vhdl.vim
@@ -3,7 +3,7 @@
 " Maintainer:		Daniel Kho <daniel.kho@tauhop.com>
 " Previous Maintainer:	Czo <Olivier.Sirol@lip6.fr>
 " Credits:		Stephan Hegel <stephan.hegel@snc.siemens.com.cn>
-" Last Changed:		2016 Mar 05 by Daniel Kho
+" Last Changed:		2018 May 06 by Daniel Kho
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -43,6 +43,8 @@
 syn keyword 	vhdlStatement	then to transport type
 syn keyword 	vhdlStatement	unaffected units until use
 syn keyword 	vhdlStatement	variable
+" VHDL-2017 interface
+syn keyword 	vhdlStatement	view
 syn keyword 	vhdlStatement	vmode vprop vunit
 syn keyword 	vhdlStatement	wait when while with
 syn keyword 	vhdlStatement	note warning error failure
@@ -69,9 +71,7 @@
 
 syn match	vhdlType	"\<character\>\'\="
 syn match	vhdlType	"\<string\>\'\="
-"syn keyword	vhdlType	severity_level
-syn keyword	vhdlType	line
-syn keyword	vhdlType	text
+syn keyword	vhdlType	line text side width
 
 " Predefined standard IEEE VHDL types
 syn match	vhdlType	"\<std_ulogic\>\'\="
@@ -124,6 +124,8 @@
 syn match   	vhdlAttribute	"\'val"
 syn match   	vhdlAttribute	"\'image"
 syn match   	vhdlAttribute	"\'value"
+" VHDL-2017 interface attribute
+syn match   	vhdlAttribute	"\'converse"
 
 syn keyword	vhdlBoolean	true false
 
@@ -165,6 +167,9 @@
 syn match	vhdlOperator	"<=\|:="
 syn match	vhdlOperator	"=>"
 
+" VHDL-2017 concurrent signal association (spaceship) operator
+syn match	vhdlOperator	"<=>"
+
 " VHDL-2008 conversion, matching equality/non-equality operators
 syn match	vhdlOperator	"??\|?=\|?\/=\|?<\|?<=\|?>\|?>="
 
@@ -183,8 +188,11 @@
 syn match	vhdlError	"[>=&+\-\/\\]\+\(<\)"
 " Covers most operators
 " support negative sign after operators. E.g. q<=-b;
-syn match	vhdlError	"\(&\|+\|\-\|\*\*\|\/=\|??\|?=\|?\/=\|?<=\|?>=\|>=\|<=\|:=\|=>\)[<>=&+\*\\?:]\+"
-syn match	vhdlError	"[<>=&+\-\*\\:]\+\(&\|+\|\*\*\|\/=\|??\|?=\|?\/=\|?<\|?<=\|?>\|?>=\|>=\|<=\|:=\|=>\)"
+" Supports VHDL-2017 spaceship (concurrent simple signal association).
+syn match	vhdlError	"\(<=\)[<=&+\*\\?:]\+"
+syn match	vhdlError	"[>=&+\-\*\\:]\+\(=>\)"
+syn match	vhdlError	"\(&\|+\|\-\|\*\*\|\/=\|??\|?=\|?\/=\|?<=\|?>=\|>=\|:=\|=>\)[<>=&+\*\\?:]\+"
+syn match	vhdlError	"[<>=&+\-\*\\:]\+\(&\|+\|\*\*\|\/=\|??\|?=\|?\/=\|?<\|?<=\|?>\|?>=\|>=\|<=\|:=\)"
 syn match	vhdlError	"\(?<\|?>\)[<>&+\*\/\\?:]\+"
 syn match	vhdlError	"\(<<\|>>\)[<>&+\*\/\\?:]\+"