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[release/v7.6.1] Delay update notification for one week to ensure all packages become available #27215

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daxian-dbw merged 1 commit into from
Apr 9, 2026
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[release/v7.6.1] Delay update notification for one week to ensure all packages become available #27215

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16 changes: 14 additions & 2 deletions src/Microsoft.PowerShell.ConsoleHost/host/msh/UpdatesNotification.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,9 @@ internal static class UpdatesNotification
private const string StableBuildInfoURL = "https://aka.ms/pwsh-buildinfo-stable";
private const string PreviewBuildInfoURL = "https://aka.ms/pwsh-buildinfo-preview";

private const int NotificationDelayDays = 7;
private const int UpdateCheckBackoffDays = 7;

Comment on lines +31 to +33
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Copilot AI Apr 9, 2026

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UpdateCheckBackoffDays is still set to 7 days, but the PR description/backport context (#27095) states the update check backoff should be increased from 7 to 14 days. Either update this constant (and the related comment below) to match the intended 14-day backoff, or adjust the PR description if the backport is meant to delay notifications only.

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/// <summary>
/// The version of new update is persisted using a file, not as the file content, but instead baked in the file name in the following template:
/// `update{notification-type}_{version}_{publish-date}` -- held by 's_updateFileNameTemplate',
Expand Down Expand Up @@ -89,9 +92,18 @@ internal static void ShowUpdateNotification(PSHostUserInterface hostUI)
if (TryParseUpdateFile(
updateFilePath: out _,
out SemanticVersion lastUpdateVersion,
lastUpdateDate: out _)
out DateTime lastUpdateDate)
&& lastUpdateVersion != null)
{
DateTime today = DateTime.UtcNow;
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Copilot AI Apr 9, 2026

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lastUpdateDate is parsed with DateTimeStyles.AssumeLocal in TryParseUpdateFile, but this new delay logic compares it to DateTime.UtcNow. Subtracting DateTime values with different kinds can skew the day calculation by the local UTC offset, which may show (or suppress) notifications earlier/later than intended. Consider using DateTime.Now here to match the parsed kind, or parse/normalize lastUpdateDate to UTC before comparing.

Suggested change
DateTime today = DateTime.UtcNow;
DateTime today = DateTime.Now;

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if ((today - lastUpdateDate).TotalDays < NotificationDelayDays)
{
// The update was out less than 1 week ago and it's possible the packages are still rolling out.
// We only show the notification when the update is at least 1 week old, to reduce the chance that
// users see the notification but cannot get the new update when they try to install it.
return;
}

string releaseTag = lastUpdateVersion.ToString();
string notificationMsgTemplate = s_notificationType == NotificationType.LTS
? ManagedEntranceStrings.LTSUpdateNotificationMessage
Expand Down Expand Up @@ -169,7 +181,7 @@ internal static async Task CheckForUpdates()
out DateTime lastUpdateDate);

DateTime today = DateTime.UtcNow;
if (parseSuccess && updateFilePath != null && (today - lastUpdateDate).TotalDays < 7)
if (parseSuccess && updateFilePath != null && (today - lastUpdateDate).TotalDays < UpdateCheckBackoffDays)
{
// There is an existing update file, and the last update was less than 1 week ago.
// It's unlikely a new version is released within 1 week, so we can skip this check.
Expand Down
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