docs: Changelog updates for v2.3
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+Version 2.3 (25 June 2021)
+
+[General Updates]
+
+ * package updates to support RHEL8.4 variants. Note that changes in the distro provided hwloc required rebuilds of
+ both OpenPBS and SLURM (https://github.com/openhpc/ohpc/issues/1324)
+ * addition of a Rocky 8.4 recipe. The `docs-ohpc` rpm includes a Rocky based recipe that mimics the CentOS
+ Warewulf variant but uses an alternative "rocky-8" template when calling `wwmkchroot`
+
+[Known Issues]
+
+ * At present, a Lustre-client build is not available for a RHEL 8.4 kernel. If Lustre client functionality is desired,
+ users are encouraged to stick with a RHEL 8.3 kernel until a newer Lustre version is released upstream.
+
+[Component Version Changes]
+
+ * EasyBuild-ohpc (4.3.3 -> 4.3.4)
+ * docs-ohpc (2.1.0 -> 2.3.0)
+ * libfabric-ohpc (1.11.2 -> 1.12.1)
+ * openpbs-client-ohpc (20.0.0 -> 20.0.1)
+ * openpbs-devel-ohpc (20.0.0 -> 20.0.1)
+ * openpbs-execution-ohpc (20.0.0 -> 20.0.1)
+ * openpbs-server-ohpc (20.0.0 -> 20.0.1)
+ * test-suite-ohpc (2.1.0 -> 2.3.0)
+
+----------------------------------------------------------------------------------------------------------------------
+
Version 2.2 (01 June 2021)
[General Updates]
