You must have the base version of natively installed on your operating system before running this patch installer. The update cannot deploy on 2.8 or 3.x base platforms. Step 2: Access the Authorized Download Link
You do not need to install Patch 1, 2, 3, or 4 prior to running Patch 5. arcgis pro 29 patch 5 295 link
Addressed attribute rule evaluation failures during copy-paste operations and slow feature creation with custom templates. You must have the base version of natively
Resolved a major bug where ArcGIS Pro 2.8 and 2.9 would crash when changing symbology due to a Microsoft .NET 4.8.x update. arcgis pro 29 patch 5 295 link
ArcGIS Pro 2.9 Patch 5 (2.9.5): Complete Update Guide & Download Link