diff --git a/runtime/queries/_typescript/highlights.scm b/runtime/queries/_typescript/highlights.scm
index e828285b..8bbd1072 100644
--- a/runtime/queries/_typescript/highlights.scm
+++ b/runtime/queries/_typescript/highlights.scm
@@ -86,6 +86,7 @@
 
 [
   "abstract"
+  "accessor"
   "declare"
   "module"
   "infer"
@@ -94,8 +95,12 @@
   "namespace"
   "override"
   "satisfies"
+  "using"
 ] @keyword
 
+; `asserts` in a return-type type predicate, e.g. `function f(x): asserts x is T`
+"asserts" @keyword.operator
+
 [
   "export"
   "from"
@@ -150,3 +155,17 @@
 (import_require_clause
   (identifier) "="
   ("require") @keyword)
+
+; Method signatures in interfaces / type literals, and function-typed
+; property signatures (`foo(): void`, `bar: () => void`).
+(method_signature
+  name: (property_identifier) @function.method)
+(abstract_method_signature
+  name: (property_identifier) @function.method)
+(property_signature
+  name: (property_identifier) @function.method
+  type: (type_annotation
+    [
+      (function_type)
+      (union_type (parenthesized_type (function_type)))
+    ]))
diff --git a/runtime/queries/c-sharp/highlights.scm b/runtime/queries/c-sharp/highlights.scm
index 41a67360..c15231c1 100644
--- a/runtime/queries/c-sharp/highlights.scm
+++ b/runtime/queries/c-sharp/highlights.scm
@@ -185,6 +185,16 @@
   "init"
   "with"
   "let"
+  ;; LINQ query clauses
+  "group"
+  "by"
+  "into"
+  "join"
+  "on"
+  "equals"
+  "orderby"
+  "ascending"
+  "descending"
 ] @keyword
 
 [
@@ -195,6 +205,32 @@
   "when"
 ] @keyword.control.conditional
 
+;; Pattern matching combinators (`x is not null`, `> 0 and < 10`)
+
+[
+  "and"
+  "or"
+  "not"
+] @keyword.operator
+
+;; Preprocessor directives
+
+[
+  "#define"
+  "#undef"
+  "#if"
+  "#elif"
+  "#else"
+  "#endif"
+  "#region"
+  "#endregion"
+  "#error"
+  "#warning"
+  "#line"
+  "#nullable"
+  "#pragma"
+] @keyword.directive
+
 ;; Attribute
 
 (attribute name: (identifier) @attribute)
diff --git a/runtime/queries/php/highlights.scm b/runtime/queries/php/highlights.scm
index 624b876c..2daff9fb 100644
--- a/runtime/queries/php/highlights.scm
+++ b/runtime/queries/php/highlights.scm
@@ -165,10 +165,11 @@
   "global" 
   "implements" 
   "insteadof" 
-  "new" 
-  "private" 
-  "protected" 
-  "public" 
+  "new"
+  "print"
+  "private"
+  "protected"
+  "public"
   "clone"
   "unset"
 ] @keyword
@@ -207,10 +208,11 @@
 ] @keyword.control.import
 
 [
-  "return" 
-  "break" 
-  "continue" 
+  "return"
+  "break"
+  "continue"
   "yield"
+  "from" ; the `from` of `yield from`
 ] @keyword.control.return
 
 [
diff --git a/runtime/queries/python/highlights.scm b/runtime/queries/python/highlights.scm
index ad45d495..3f0df1c0 100644
--- a/runtime/queries/python/highlights.scm
+++ b/runtime/queries/python/highlights.scm
@@ -289,6 +289,7 @@
  (#match? @constant "^_*[A-Z][A-Z\\d_]*$"))
 
 (escape_sequence) @constant.character.escape
+(escape_interpolation) @constant.character.escape ; the `{{` and `}}` literals in f-strings
 
 [
   (true)
@@ -306,3 +307,24 @@
  
 (comment) @comment
 (string) @string
+
+; -------
+; Type aliases / type variables  (after the generic identifier+type rules so they win)
+; -------
+
+; PEP 695: `type Alias = ...`
+(type_alias_statement
+  left: (type (identifier) @type.definition))
+
+; `X = TypeVar("X")` / `X = NewType("X", int)`
+((assignment
+  left: (identifier) @type.definition
+  right: (call
+    function: (identifier) @_func))
+ (#any-of? @_func "TypeVar" "NewType" "ParamSpec" "TypeVarTuple"))
+
+; `X: TypeAlias = ...`
+((assignment
+  left: (identifier) @type.definition
+  type: (type (identifier) @_ann))
+ (#eq? @_ann "TypeAlias"))