Guidelines for content updates
These guidelines apply to all content updates. Refer to the topics for each update type for update-specific guidance.
Release information
Read any release notes or advisory text that accompanies a content update. This information describes compatibility, prerequisites, new capabilities, behavior changes, and warnings.
When to perform content updates
Follow these guidelines when performing and scheduling content updates:
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Scheduled updates: Review scheduled updates to make sure they run at the right time for your environment.
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Traffic inspection and flow: Perform updates that might interrupt traffic during maintenance windows.
Content updates are scheduled in Coordinated Universal Time (UTC), which remains constant year-round. Scheduled updates do not adjust automatically for local time changes, such as daylight saving time or summer time. For example, an update scheduled for 2:00 a.m. during standard time runs at 3:00 a.m. after the local clock moves forward.