diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c2df7ea..a4a2f286 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -42,6 +42,7 @@
 - The `requirements.txt` syntax has been removed due to incompatible license requirements.
 - Dart, new highlighter, see #1959 (@Ersikan)
 - SCSS and Sass syntaxes updated, see #1766 (@Enselic)
+- PowerShell syntax updated, see #1935 (@Enselic)
 
 ## New themes
 
diff --git a/assets/syntaxes/02_Extra/PowerShell b/assets/syntaxes/02_Extra/PowerShell
index 4a0a0766..742f0b5d 160000
--- a/assets/syntaxes/02_Extra/PowerShell
+++ b/assets/syntaxes/02_Extra/PowerShell
@@ -1 +1 @@
-Subproject commit 4a0a076661d26473cac71b9a17e6a759e9b1c643
+Subproject commit 742f0b5d4b60f5930c0b47fcc1f646860521296e
diff --git a/assets/syntaxes/02_Extra/PowerShell.sublime-syntax b/assets/syntaxes/02_Extra/PowerShell.sublime-syntax
index be84b1d4..3a452a64 100644
--- a/assets/syntaxes/02_Extra/PowerShell.sublime-syntax
+++ b/assets/syntaxes/02_Extra/PowerShell.sublime-syntax
@@ -24,7 +24,7 @@ contexts:
     - include: commands
     - include: commentLine
     - include: variable
-    - include: interpolatedStringContent
+    - include: subexpression
     - include: function
     - include: attribute
     - include: UsingDirective
@@ -33,32 +33,38 @@ contexts:
     - include: doubleQuotedString
     - include: scriptblock
     - include: doubleQuotedStringEscapes
-    - match: (?<!')'
+    - match: '[''\x{2018}-\x{201B}]'
       captures:
         0: punctuation.definition.string.begin.powershell
       push:
         - meta_scope: string.quoted.single.powershell
-        - match: "'(?!')"
+        - match: '[''\x{2018}-\x{201B}]{2}'
+          scope: constant.character.escape.powershell
+        - match: '[''\x{2018}-\x{201B}]'
           captures:
             0: punctuation.definition.string.end.powershell
           pop: true
-        - match: "''"
-          scope: constant.character.escape.powershell
-    - match: \@"(?=$)
+    - match: '(@["\x{201C}-\x{201E}])\s*$'
+      captures:
+        1: punctuation.definition.string.begin.powershell
       push:
         - meta_scope: string.quoted.double.heredoc.powershell
-        - match: ^"@
+        - match: '^["\x{201C}-\x{201E}]@'
+          captures:
+            0: punctuation.definition.string.end.powershell
           pop: true
         - include: variableNoProperty
         - include: doubleQuotedStringEscapes
         - include: interpolation
-    - match: \@'(?=$)
+    - match: '(@[''\x{2018}-\x{201B}])\s*$'
+      captures:
+        1: punctuation.definition.string.begin.powershell
       push:
         - meta_scope: string.quoted.single.heredoc.powershell
-        - match: ^'@
+        - match: '^[''\x{2018}-\x{201B}]@'
+          captures:
+            0: punctuation.definition.string.end.powershell
           pop: true
-        - match: "''"
-          scope: constant.character.escape.powershell
     - include: numericConstant
     - match: (@)(\()
       captures:
@@ -71,11 +77,12 @@ contexts:
             0: punctuation.section.group.end.powershell
           pop: true
         - include: main
-    - match: (\$)(\()
+    - match: ((\$))(\()
       comment: "TODO: move to repo; make recursive."
       captures:
-        1: punctuation.definition.variable.powershell
-        2: punctuation.section.group.begin.powershell
+        1: keyword.other.substatement.powershell
+        2: punctuation.definition.subexpression.powershell
+        3: punctuation.section.group.begin.powershell
       push:
         - meta_scope: meta.group.complex.subexpression.powershell
         - match: \)
@@ -85,7 +92,7 @@ contexts:
         - include: main
     - match: '(\b(([A-Za-z0-9\-_\.]+)\.(?i:exe|com|cmd|bat))\b)'
       scope: support.function.powershell
-    - match: (?<!\w|-|\.)((?i:begin|break|catch|continue|data|default|define|do|dynamicparam|else|elseif|end|exit|finally|for|from|if|in|inlinescript|parallel|param|process|return|sequence|switch|throw|trap|try|until|var|while)|%|\?)(?!\w)
+    - match: (?<!\w|-|\.)((?i:begin|break|catch|clean|continue|data|default|define|do|dynamicparam|else|elseif|end|exit|finally|for|from|if|in|inlinescript|parallel|param|process|return|sequence|switch|throw|trap|try|until|var|while)|%|\?)(?!\w)
       scope: keyword.control.powershell
     - match: '(?<!\w|-|[^\)]\.)((?i:(foreach|where)(?!-object))|%|\?)(?!\w)'
       scope: keyword.control.powershell
@@ -135,7 +142,7 @@ contexts:
         - meta_scope: meta.requires.powershell
         - match: $
           pop: true
-        - match: \-(?i:Modules|PSSnapin|RunAsAdministrator|ShellId|Version)
+        - match: \-(?i:Modules|PSSnapin|RunAsAdministrator|ShellId|Version|Assembly|PSEdition)
           scope: keyword.other.powershell
         - match: '(?<!-)\b\p{L}+|\d+(?:\.\d+)*'
           scope: variable.parameter.powershell
@@ -187,51 +194,53 @@ contexts:
       comment: Builtin cmdlets with reserved verbs
       scope: support.function.powershell
   commentEmbeddedDocs:
-    - match: ^(?i:(?:\s?|#)+(\.)(COMPONENT|DESCRIPTION|EXAMPLE|EXTERNALHELP|FORWARDHELPCATEGORY|FORWARDHELPTARGETNAME|FUNCTIONALITY|INPUTS|LINK|NOTES|OUTPUTS|REMOTEHELPRUNSPACE|ROLE|SYNOPSIS))
+    - match: (?:^|\G)(?i:\s*(\.)(COMPONENT|DESCRIPTION|EXAMPLE|FUNCTIONALITY|INPUTS|LINK|NOTES|OUTPUTS|ROLE|SYNOPSIS))\s*$
+      comment: these embedded doc keywords do not support arguments, must be the only thing on the line
       scope: comment.documentation.embedded.powershell
       captures:
         1: constant.string.documentation.powershell
         2: keyword.operator.documentation.powershell
-    - match: '(?i:\s?(\.)(PARAMETER|FORWARDHELPTARGETNAME|FORWARDHELPCATEGORY|REMOTEHELPRUNSPACE|EXTERNALHELP)\s+([a-z0-9-_]+))'
+    - match: (?:^|\G)(?i:\s*(\.)(EXTERNALHELP|FORWARDHELP(?:CATEGORY|TARGETNAME)|PARAMETER|REMOTEHELPRUNSPACE))\s+(.+?)\s*$
+      comment: these embedded doc keywords require arguments though the type required may be inconsistent, they may not all be able to use the same argument match
       scope: comment.documentation.embedded.powershell
       captures:
         1: constant.string.documentation.powershell
         2: keyword.operator.documentation.powershell
         3: keyword.operator.documentation.powershell
   commentLine:
-    - match: '(?<![`\\-])#'
+    - match: '(?<![`\\-])(#)#*'
       captures:
-        0: punctuation.definition.comment.powershell
+        1: punctuation.definition.comment.powershell
       push:
         - meta_scope: comment.line.powershell
         - match: $\n?
           captures:
-            0: punctuation.definition.comment.powershell
+            1: punctuation.definition.comment.powershell
           pop: true
         - include: commentEmbeddedDocs
         - include: RequiresDirective
   doubleQuotedString:
-    - match: (?<!(?<!`)")"
+    - match: '["\x{201C}-\x{201E}]'
       captures:
         0: punctuation.definition.string.begin.powershell
       push:
         - meta_scope: string.quoted.double.powershell
-        - match: '"(?!")'
-          captures:
-            0: punctuation.definition.string.end.powershell
-          pop: true
         - match: '(?i)\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,64}\b'
         - include: variableNoProperty
         - include: doubleQuotedStringEscapes
+        - match: '["\x{201C}-\x{201E}]{2}'
+          scope: constant.character.escape.powershell
         - include: interpolation
         - match: '`\s*$'
           scope: keyword.other.powershell
+        - match: '["\x{201C}-\x{201E}]'
+          captures:
+            0: punctuation.definition.string.end.powershell
+          pop: true
   doubleQuotedStringEscapes:
-    - match: '`[`0abefnrtv"''$]'
+    - match: '`[`0abefnrtv''"\x{2018}-\x{201E}$]'
       scope: constant.character.escape.powershell
     - include: unicodeEscape
-    - match: '""'
-      scope: constant.character.escape.powershell
   function:
     - match: '^(?:\s*+)(?i)(function|filter|configuration|workflow)\s+(?:(global|local|script|private):)?((?:\p{L}|\d|_|-|\.)+)'
       captures:
@@ -263,33 +272,23 @@ contexts:
             4: keyword.operator.assignment.powershell
         - include: scriptblock
         - include: main
-  interpolatedStringContent:
-    - match: \(
-      captures:
-        0: punctuation.section.group.begin.powershell
-      push:
-        - meta_content_scope: interpolated.simple.source.powershell
-        - match: \)
-          captures:
-            0: punctuation.section.group.end.powershell
-          pop: true
-        - include: main
-        - include: interpolation
-        - include: interpolatedStringContent
   interpolation:
-    - match: (\$)(\()
+    - match: (((\$)))((\())
       captures:
-        1: punctuation.definition.variable.powershell
-        2: punctuation.section.group.begin.powershell
+        1: keyword.other.substatement.powershell
+        2: punctuation.definition.substatement.powershell
+        3: punctuation.section.embedded.substatement.begin.powershell
+        4: punctuation.section.group.begin.powershell
+        5: punctuation.section.embedded.substatement.begin.powershell
       push:
+        - meta_scope: meta.embedded.substatement.powershell
         - meta_content_scope: interpolated.complex.source.powershell
-        - match: \)
+        - match: (\))
           captures:
             0: punctuation.section.group.end.powershell
+            1: punctuation.section.embedded.substatement.end.powershell
           pop: true
         - include: main
-        - include: interpolation
-        - include: interpolatedStringContent
   numericConstant:
     - match: '(?<!\w)([-+]?0(?:x|X)[0-9a-fA-F_]+(?:U|u|L|l|UL|Ul|uL|ul|LU|Lu|lU|lu)?)((?i:[kmgtp]b)?)\b'
       captures:
@@ -330,6 +329,17 @@ contexts:
             0: punctuation.section.braces.end.powershell
           pop: true
         - include: main
+  subexpression:
+    - match: \(
+      captures:
+        0: punctuation.section.group.begin.powershell
+      push:
+        - meta_scope: meta.group.simple.subexpression.powershell
+        - match: \)
+          captures:
+            0: punctuation.section.group.end.powershell
+          pop: true
+        - include: main
   type:
     - match: '\['
       captures:
diff --git a/tests/syntax-tests/highlighted/PowerShell/test.ps1 b/tests/syntax-tests/highlighted/PowerShell/test.ps1
index 915b6072..aae615d5 100644
--- a/tests/syntax-tests/highlighted/PowerShell/test.ps1
+++ b/tests/syntax-tests/highlighted/PowerShell/test.ps1
@@ -20,6 +20,6 @@
    'Path does not contain Rust'
 }
 
-(5..30) | ? { $_ % (2 * 2 + 1) -eq 0 } | % {"In {0} minutes, the time will be {1}." -f $_, $( Get-FutureTime $_ )}
-$later =  Get-FutureTime -Minutes $( Get-Random -Minimum 60 -Maximum 120 )
+(5..30) | ? { $_ % (2 * 2 + 1) -eq 0 } | % {"In {0} minutes, the time will be {1}." -f $_, $( Get-FutureTime $_ )}
+$later =  Get-FutureTime -Minutes $( Get-Random -Minimum 60 -Maximum 120 )
 "The time will be " + $later + " later."