Add collection function docs (#1408)

Co-authored-by: Richard Sill <[email protected]>

Author: gem-neo4j

modules/ROOT/pages/deprecations-additions-removals-compatibility.adoc

@@ -22,6 +22,35 @@ Cypher 25 was introduced in Neo4j 2025.06 and can only be used on Neo4j 2025.06+
 Features removed in Cypher 25 are still available on Neo4j 2025.06+ databases either by prepending a query with `CYPHER 5` or by having Cypher 5 as the default language for the database.
 For more information, see xref:queries/select-version.adoc[].
 
+[[cypher-deprecations-additions-removals-2025.11]]
+== Neo4j 2025.11
+
+=== Updated in Cypher 25
+
+[cols="2", options="header"]
+|===
+| Feature
+| Details
+
+a|
+label:functionality[]
+label:new[]
+[source, cypher, role="noheader"]
+----
+RETURN coll.distinct([true, false, false, true, true, false])
+RETURN coll.flatten([1, [2]]), coll.flatten([false, ['a']], 2);
+RETURN coll.indexOf(['A', 'new', 'function'], 'new');
+RETURN coll.insert([1, 2, 4], 2, 3);
+RETURN coll.max([1.5, 2, 5.4, 0, 4]);
+RETURN coll.min([1.5, 2, 5.4, 0, 4]);
+RETURN coll.remove(['a', 'a', 'b', 'c', 'd'], 2);
+RETURN coll.sort([3, 1, 4, 2, 'a', 'c', 'b']);
+----
+| Introduction of eight new collection-based Cypher functions.
+For more information, see xref:functions/list.adoc[List functions - lists].
+
+|===
+
 
 [[cypher-deprecations-additions-removals-2025.10]]
 == Neo4j 2025.10

modules/ROOT/pages/functions/index.adoc

@@ -128,6 +128,38 @@ Further details and examples of lists may be found in xref::values-and-types/lis
 
 | Function | Signature | Description
 
+1.1+| xref::functions/list.adoc#functions-coll-distinct[`coll.distinct()`]
+| `coll.distinct(list :: LIST<ANY>) :: LIST<ANY>`
+| Returns the given list with all duplicate values removed.
+
+1.1+| xref::functions/list.adoc#functions-coll-flatten[`coll.flatten()`]
+| `coll.flatten(list :: LIST<ANY>, depth = 1 :: INTEGER) :: LIST<ANY>`
+| Returns a list flattened to the given depth.
+
+1.1+| xref::functions/list.adoc#functions-coll-indexOf[`coll.indexOf()`]
+| `coll.indexOf(list :: LIST<ANY>, value :: ANY) :: INTEGER`
+| Returns the index of the first match of value in the given list, if the value is no present, -1 is returned.
+
+1.1+| xref::functions/list.adoc#functions-coll-insert[`coll.insert()`]
+| `coll.insert(list :: LIST<ANY>, index :: INTEGER, value :: ANY) :: LIST<ANY>`
+| Returns a list with the given value inserted at the given index.
+
+1.1+| xref::functions/list.adoc#functions-coll-max[`coll.max()`]
+| `coll.max(list :: LIST<ANY>) :: ANY`
+| Returns the largest value.
+
+1.1+| xref::functions/list.adoc#functions-coll-min[`coll.min()`]
+| `coll.min(list :: LIST<ANY>) :: ANY`
+| Returns the smallest value.
+
+1.1+| xref::functions/list.adoc#functions-coll-remove[`coll.remove()`]
+| `coll.remove(list :: LIST<ANY>, index :: INTEGER) :: LIST<ANY>`
+| Returns a list with the value at the given index removed.
+
+1.1+| xref::functions/list.adoc#functions-coll-sort[`coll.sort()`]
+| `coll.sort(list :: LIST<ANY>) :: LIST<ANY>`
+| Returns a sorted list.
+
 1.1+| xref::functions/list.adoc#functions-keys[`keys()`]
 | `keys(input :: NODE \| RELATIONSHIP \| MAP) :: LIST<STRING>`
 | Returns a `LIST<STRING>` containing the `STRING` representations for all the property names of a `MAP`, `NODE`, or `RELATIONSHIP`.