RS: 7.8.4 Feb maintenance release docs (#1054)

* DOC-4687 RS: 7.8.4 Jan maintenance release notes draft

* DOC-2446 Added Ubuntu 22 to RS supported platforms

* DOC-4749 DOC-2446 Created release notes draft for the RS 7.8.4 maintenance release that includes Ubuntu 22 support

* DOC-4687 DOC-4749 Updated Jan to Feb in 7.8.4 release notes

* DOC-4687 DOC-4749 Added link to OS upgrade instructions in 7.8.4 release notes

* DOC-4687 DOC-4749 Added OS upgrade module known limitation to 7.8.4 release notes

* DOC-4688 Added build number and checksums to 7.8.4 maintenance release notes

Author: rrelledge

content/embeds/supported-platforms-embed.md

@@ -16,6 +16,7 @@ Redis Enterprise Software is supported on several operating systems, cloud envi
 | RHEL 9<br />FIPS mode<sup>[5](#table-note-5)</sup> | <span title="Supported">&#x2705;</span> | – | – | – | – |
 | RHEL 8 &<br />compatible distros<sup>[1](#table-note-1)</sup> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |
 | RHEL 7 &<br />compatible distros<sup>[1](#table-note-1)</sup> | – | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |
+| Ubuntu 22.04<sup>[2](#table-note-2)</sup> | <span title="Supported">&#x2705;</span> | – | – | – | – |
 | Ubuntu 20.04<sup>[2](#table-note-2)</sup> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | – |
 | Ubuntu 18.04<sup>[2](#table-note-2)</sup> | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |
 | Ubuntu 16.04<sup>[2](#table-note-2)</sup> | – | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |

content/operate/rs/release-notes/rs-7-8-releases/_index.md

@@ -209,6 +209,7 @@ The following table provides a snapshot of supported platforms as of this Redis
 | RHEL 9<br />FIPS mode<sup>[5](#table-note-5)</sup> | <span title="Supported">&#x2705;</span> | – | – | – | – |
 | RHEL 8 &<br />compatible distros<sup>[1](#table-note-1)</sup> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |
 | RHEL 7 &<br />compatible distros<sup>[1](#table-note-1)</sup> | – | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |
+| Ubuntu 22.04<sup>[2](#table-note-2)</sup> | <span title="Supported">&#x2705;</span> | – | – | – | – |
 | Ubuntu 20.04<sup>[2](#table-note-2)</sup> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> | – |
 | Ubuntu 18.04<sup>[2](#table-note-2)</sup> | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |
 | Ubuntu 16.04<sup>[2](#table-note-2)</sup> | – | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">&#x2705;</span> | <span title="Supported">&#x2705;</span> |
@@ -233,6 +234,12 @@ The following table provides a snapshot of supported platforms as of this Redis
 
 ## Known limitations
 
+#### Upload modules before OS upgrade
+
+If the cluster contains any databases that use modules, you must upload module packages for the target OS version to a node in the existing cluster before you upgrade the cluster's operating system.
+
+See [Upgrade a cluster's operating system]({{<relref "/operate/rs/installing-upgrading/upgrading/upgrade-os">}}) for detailed upgrade instructions.
+
 #### New Cluster Manager UI limitations
 
 The following legacy UI features are not yet available in the new Cluster Manager UI:

content/operate/rs/release-notes/rs-7-8-releases/rs-7-8-4-18.md

@@ -9,7 +9,6 @@ compatibleOSSVersion: Redis 7.4.0
 description: Certificate-based authentication for the REST API. Dry run option to validate Redis ACL REST API requests.
 linkTitle: 7.8.4-18 (December 2024)
 weight: 88
-aliases: /operate/rs/release-notes/rs-7-8-releases/rs-7-8-4-tba/
 ---
 
 ​[​Redis Enterprise Software version 7.8.4](https://redis.io/downloads/#software) is now available! This release includes API enhancements that warranted a new minor version instead of a maintenance release for version 7.8.2. However, you can upgrade from 7.8.2 to 7.8.4 without issue.