Notifies users on startup of PowerShell that a new version of PowerShell has been released.
Beginning with PowerShell 7.0, PowerShell uses update notifications to alert users to the existence of updates to PowerShell. Once per day, PowerShell queries an online service to determine if a newer version is available.
While the update check happens during the first session in a given 24-hour period, for performance reasons, the notification will only be shown on the start of subsequent sessions. Also for performance reasons, the check will not start until at least 3 seconds after the session begins.
By default, PowerShell subscribes to one of two different notification channels depending on its version/branch. Supported, Generally Available (GA) versions of PowerShell only return notifications for updated GA releases. Preview and Release Candidate (RC) releases notify of updates to preview, RC, and GA releases.
The update notification behavior can be changed using the
POWERSHELL_UPDATECHECK environment variable. The following values are
Offturns off the update notification feature
Defaultis the same as not defining
- GA releases notify of updates to GA releases
- Preview/RC releases notify of updates to GA and preview releases
LTSonly notifies of updates to long-term-servicing (LTS) GA releases
The following endpoints are currently used for determining the latest version of each channel:
The update notification doesn't provide any way to automatically update PowerShell. In the future, there may be more instructions or capabilities to update from within PowerShell, but today, you should use the same install mechanism you used to install PowerShell to update it.
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