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nik9000 · Feb 24, 2025 · d3a1b7b · d3a1b7b
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diff --git a/docs/reference/release-notes/8.16.4.asciidoc b/docs/reference/release-notes/8.16.4.asciidoc
@@ -45,4 +45,4 @@ Ingest Node::
 
 ES|QL::
 
-* `VALUES` aggregate function can run for a long, long time when collecting many, many groups. This can consume a thread for days at the worst case. Fixed by {es-pull}#123073[#123073] and available in 8.16.5, 8.17.3, 8.18.0, and all releases after that.
+* `VALUES` aggregate function can run for a long, long time when collecting many, many groups. Hundreds of thousands of groups can run on one thread for many minutes and millions of groups run for days. It is O(n^2^) with the number of groups. These will not respond to the tasks cancellation API the whole time. Fixed by {es-pull}#123073[#123073] and available in 8.16.5, 8.17.3, 8.18.0, and all releases after that.