KDE Connect: Same notification keeps pinging on PC multiple times

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I’ve been using KDE Connect to mirror Android notifications to my Windows PC since last month. Overall it’s a great tool, has replaced many clipboard and notification tools for me, but recently I’ve been running into a strange issue with notification syncing.

Notifications from my phone sometimes start repeating continuously on the PC. The notification shows normally the first time, but then the exact same notification keeps popping up again every few seconds. The behaviour seems random and I haven’t been able to identify a clear trigger. However, when it does happen, multiple notifications tend to repeat, not just a single one.

For context, I’m not syncing notifications from every app. I’ve only enabled it for a few specific ones, mainly WhatsApp and Google Messages. The issue appears most frequently with WhatsApp notifications, though I’m not sure if that’s the root cause or just coincidence.

Restarting KDE Connect on Windows seems to stop it temporarily, but the problem eventually comes back.

Additional observations

  • It happens randomly — I haven’t found a clear trigger yet.

  • The notification content is identical each time (same app, same text).

  • The gap between repeats is usually only a few seconds.

So effectively the PC behaves like the notification is being re-sent repeatedly from the phone.

This continues indefinitely until I clear the notification on the phone itself, after which it immediately stops on the PC.

Things I checked

  • Notification sync is enabled and set up correctly

  • Both devices are on the same network.

  • No obvious duplicate instances of KDE Connect running.

  • Restarting KDE Connect temporarily fixes it, but the issue eventually comes back.

Has anyone else seen this behaviour with KDE Connect (Android to Windows notification sync)? I’m trying to figure out whether this is a known issue, something related to how Android sends notification updates, or a configuration problem on my side.

Any ideas or debugging suggestions would be appreciated. If there are logs, settings, or debugging steps I should check, I’d appreciate the pointers.

Thanks!