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Substack: Push notifications delayed on iOS

No impact listedStatus: resolvedStarted Resolved (46 min)3 updatesstspg.io (opens in new tab)

Affected components: Push Notifications

Timeline of updates

  1. identified

    We are experiencing delays due to a service provider outage.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Archive proof

Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.

How the archive is checked, and what it cannot prove.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

Cite this

Status incident (vendor impact label: none) posted by Substack, started 2025-11-05 16:52 UTC, resolved after 46 min, 3 update(s).

Title
Push notifications delayed on iOS
Vendor
Substack
Date
URL
https://rewindex.com/company/substack/incidents/w953zg3b8c7v

Substack profileRecent Substack incidentsAll outages on November 5, 2025Substack in November 2025MarkdownJSON