(DOCS-15485): Add known issue for 6.0 (#1472)

* (DOCS-15485): Add known issue for 6.0

* add context to table

* fix table widths

* fix table widths

* remove link

* wording

* wording

* add period

Author: jeff-allen-mongo

source/release-notes/6.0.txt

@@ -739,6 +739,30 @@ offer major version upgrade support to help ensure a smooth transition
 without interruption to your MongoDB application. To learn more, see
 :products:`MongoDB Consulting </consulting?tck=docs_server>`.
 
+.. _6.0-known-issues:
+
+Known Issues
+------------
+
+This section describes known issues in MongoDB 6.0 and their resolution
+status.
+
+.. list-table::
+   :header-rows: 1
+   :widths: 20 40 40
+   
+   * - In Version
+     - Issue
+     - Status
+
+   * - 6.0.0
+
+     - :issue:`SERVER-68062`: Multi-stage aggregations that use
+       $geoNear may violate constraints.
+
+     - Unresolved. This issue will be fixed in a future 6.0 minor
+       release. 
+
 Report an Issue
 ---------------