[DOC-14004]: Create release note for Couchbase Server 7.6.11

modules/release-notes/pages/relnotes.adoc

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 :page-toclevels: 2
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+include::partial$docs-server-7.6.11-release-notes.adoc[]
+
 include::partial$docs-server-7.6.10-release-notes.adoc[]
 
 include::partial$docs-server-7.6.9-release-note.adoc[]
@@ -26,6 +28,6 @@ include::partial$docs-server-7.6.1-release-note.adoc[]
 
 include::partial$docs-server-7.6.0-release-note.adoc[]
 
-== Documentation for Older Versions
+== Documentation for Earlier Versions
 
-Documentation for older versions of Couchbase software can be found in the https://docs-archive.couchbase.com/home/index.html[Documentation Archive^].
+Documentation for earlier versions of Couchbase software can be found in the https://docs-archive.couchbase.com/home/index.html[Documentation Archive^].

modules/release-notes/partials/docs-server-7.6.11-release-notes.adoc

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+
+[#release-7611]
+== Release 7.6.11 (April 2026)
+
+Couchbase Server 7.6.11 was released in April 2026.
+This maintenance release contains fixes to issues.
+
+== Fixed Issues
+
+
+
+
+=== Cluster Manager
+[#table-fixed-issues-7611-cluster-manager, cols='10,40,40']
+|===
+|Issue | Description | Resolution
+
+
+|https://jira.issues.couchbase.com/browse/MB-70577/[MB-70577]
+
+a|Client certificate authentication for views was fixed (broken in 7.6.4)
+
+| Issue resolved
+
+
+|https://jira.issues.couchbase.com/browse/MB-70951/[MB-70951]
+
+a|The following stats were reported twice by the `/metrics` REST API.
+This has been corrected to only report each once.
+
+`<count>cm_rest_request_enters_total{}<count>`
+
+`<count>cm_rest_request_leaves_total{}<count>`
+
+| Issue resolved
+
+
+|===
+
+
+
+
+
+
+
+=== XDCR
+[#table-fixed-issues-7611-xdcr, cols='10,40,40']
+|===
+|Issue | Description | Resolution
+
+
+| https://jira.issues.couchbase.com/browse/MB-70512[MB-70512]
+
+| DELETE returns a 400 error code
+
+| XDCR  now returns a 404 status code if a resource is not found,
+for replication and remote cluster reference-related REST APIs.
+
+
+|https://jira.issues.couchbase.com/browse/MB-70906/[MB-70906]
+
+a|Due to rare race conditions,
+Backfill Manager could be stuck due to deadlock.
+
+| Issue resolved
+
+
+|https://jira.issues.couchbase.com/browse/MB-71034/[MB-71034]
+
+a|In rare circumstances when a replication is deleted and recreated in short succession,
+stale checkpoints that are not slow to be cleaned could lead to repeated pipeline restarts.
+
+| Issue resolved
+
+
+|===
+
+
+
+=== Query Service
+[#table-fixed-issues-7611-query-service, cols='10,40,40']
+|===
+|Issue | Description | Resolution
+
+
+|https://jira.issues.couchbase.com/browse/MB-70543/[MB-70543]
+
+a|Execution of a scope-level UDF (user-defined function) may fail and get `Invalid Function` error under the following conditions:
+
+* Running Couchbase Server version 7.6.0 through 7.6.10.
+* A query node is starting.
+* The query node is NOT being upgraded from an earlier version (for example,
+7.2)
+* A scope-level UDF was already present (created before the query node started)
+* A call to execute the scope-level UDF is issued against the query node shortly after the query node started.
+
+The issue has been fixed in Couchbase version 7.6.11.
+
+| Issue resolved
+
+
+|https://jira.issues.couchbase.com/browse/MB-70745/[MB-70745]
+
+a|A restore may fail under the following conditions:
+
+* Couchbase version 7.6.0 through 7.6.10
+* CBO (Cost-Based Optimizer) was enabled
+* An index exists where one of the index keys contains `'::'`,
+for example,
+`SPLIT(<field>,
+"::")`
+* UPDATE STATISTICS (or ANALYZE) has been run on the index
+* a backup was taken after UPDATE STATISTICS was run
+* a restore was attempted with the backup
+
+The issue has been fixed in 7.6.11.
+
+| Issue resolved
+
+
+|===
+