add changelog entry

urso · urso · commit 5085316b38de · 2021-07-19T21:45:47.000+02:00
diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
@@ -859,6 +859,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Update `fortinet` ingest pipelines. {issue}22136[22136] {issue}25254[25254] {pull}24816[24816]
 - Use default add_locale for fortinet.firewall {issue}20300[20300] {pull}26524[26524]
 - Add new template functions and `value_type` parameter to `httpjson` transforms. {pull}26847[26847]
+- Add support to merge registry updates in the filestream input across multiple ACKed batches in case of backpressure in the registry or disk. {pull}25976[25976]
 
 *Heartbeat*
 
