Strange that it is working for you @Elefant_Man now. I am on version 5.8.8.12 and it is still not jumping back to the start of the alert when I double-click on an alert in the alert list. I have 5 cameras and one is actually working as it should and it is an AXIS P5635-E Mk II PTZ. My 4 other camera...

Same for me…

Downgrading back to 5.8.8.12 and it works correct again.

I had the same issue, i.e. when double-clicking on an alert the alert clip started the playback many seconds AFTER the alert had happened.

I can confirm that downgrading back to 5.8.8.12 solved the issue and alert playback now starts on the trigger time (or the pre-trigger recording time if set).