allReduce to additional Cypher GQL appendix page (#1381)

Author: JPryce-Aklundh

modules/ROOT/pages/appendix/gql-conformance/additional-cypher.adoc

@@ -330,6 +330,10 @@ It is only supported in the xref:clauses/use.adoc[`USE`] clause.
 | xref:functions/predicate.adoc#functions-all[`all()`]
 | Returns true if the predicate holds for all elements in the given `LIST<ANY>`.
 
+| xref:functions/predicate.adoc#functions-allreduce[`allReduce()`]
+|  Returns true if, during the stepwise evaluation of a value across the elements in a given `LIST<ANY>`, the accumulated result satisfies a specified predicate at every step.
+Where that list is a group variable defined in a quantified path pattern, it allows for the early pruning of paths that do not satisfy the predicate.
+
 | xref:functions/predicate.adoc#functions-any[`any()`]
 | Returns true if the predicate holds for at least one element in the given `LIST<ANY>`.
 

modules/ROOT/pages/appendix/gql-conformance/index.adoc

@@ -1,8 +1,8 @@
 :description: Overview of Cypher's conformance to GQL.
 = GQL conformance
 
-*Last updated*: 18 June 2025 +
-*Neo4j version*: 2025.06
+*Last updated*: 2 September 2025 +
+*Neo4j version*: 2025.08
 
 GQL is the new link:https://www.iso.org/home.html[ISO] International Standard query language for graph databases.