Slack, the business communications messaging app, experienced worldwide disruption in the early hours of Wednesday morning UK time. The service appeared to disconnect for many users and was acknowledged by Slack on its social media channels.

Users reported posts not sending or being marked as read. The service has since begun to come back online, but the company warned users may continue to experience issues.

It's impressive that Slack has only just now encountered issues considering the global coronavirus pandemic. Millions more people are working from home and surely the service will have been experiencing increasing pressure on its servers as traffic intensifies.

The outage should not have caused too much harm to Slack’s reputation given plenty of other communications services suffer from such performance issues, though Slack may have seen it coming – it posted roughly eight hours before the outage on its separate Slack Status Twitter feed that it was experiencing “degraded performance”.