What we shipped in Uptimecheck, newest first: new features, improvements, fixes and security updates to monitoring, alerts and status pages.
We updated the web framework that app.uptimecheck.com runs on to a patched release. It closes three recently published vulnerabilities in that framework. Nothing changes in how the app works, and you don’t need to do anything.
We checked every alert channel against the service’s own API. A monitor name or message can no longer trigger @channel or @everyone mentions in Slack, Discord, Google Chat or Mattermost, and each service’s length limits are respected.
A channel that fails for good, such as a deleted webhook, stops retrying at once and shows a clear reason, and a service asking us to slow down (Retry-After) is listened to. Webhook payloads now include the monitor’s ID and the incident.
Monitors and our free website checker refuse addresses that point into private networks or a cloud provider’s metadata service. We closed a gap where one way of writing an IPv6 address could get past that check.
Each nightly database backup is now also copied to storage in the EU, away from our server. The copies on the server and the daily server snapshots stay in Stockholm.
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