Ably change history: Planned maintenance for ably.com and control.ably.net

Ably reported major-impact planned maintenance that made ably.com and control.ably.net unavailable; the realtime system was unaffected. The recorded start is 2024-07-09 10:23 UTC, but resolution is dated 2024-03-19 08:00 UTC; computed duration is unknown, while Ably’s update states maintenance lasted 30 minutes.