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Co-authored-by: Laura Coursen <lecoursen@github.com> Co-authored-by: Evan Bonsignori <ebonsignori@github.com>
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You can upgrade {% data variables.product.prodname_ghe_server %} to the latest patch release using a hotpatch.
You can use hotpatching to upgrade to a newer patch release, but not a feature release. For example, you can upgrade from 2.10.1 to 2.10.5 because they are in the same feature series, but not from 2.10.9 to 2.11.0 because they are in a different feature series.
Hotpatches do not generally require a reboot. If a hotpatch does require a reboot, the {% data variables.product.product_name %} release notes will indicate the requirement.
Hotpatches require a configuration run, which can cause a brief period of errors or unresponsiveness for some or all services on {% data variables.location.product_location %}. You are not required to enable maintenance mode during installation of a hotpatch, but doing so will guarantee that users see a maintenance page instead of errors or timeouts. For more information, see "Enabling and scheduling maintenance mode."