Came to work today, and we see nine older articles popping to the top of last edited list. None of my editors say they have changed them and the audit trail shows no activity for today.

Checking the logs I do see that umbraco has indeed published them at 08:50

 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Høring: Revisjon av lokale atferdsregler' with Id '5665' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Thor Heyerdahl stipend 2018: 50 000 kroner' with Id '5745' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Offisiell flaggdag' with Id '5684' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'OBS-varsel 31.01.2018' with Id '5859' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Sykehjemmet i Svarstad har nå strøm igjen' with Id '5632' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Søk tilskudd' with Id '5574' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Viktig info fra ny kommune' with Id '5509' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Samenes nasjonaldag' with Id '5942' has been published.
 2018-02-16 08:50:33,323 [P3388/D2/T60] INFO  Umbraco.Core.Publishing.PublishingStrategy - Content 'Kunngjøringer 16.02.2018' with Id '6023' has been published.

I can't see that I have any custom code running that would cause this change.

Any ideas to what could cause this or how I could find out what happened? Currently on umbraco 7.7.4