In content fragments I had several problems on AEMaaCS: the layout of the buttons of the side panel AI is trashed when scrolling around, and there are exceptions within richtext editors in the content creation dialog. I assume this is because of some libraries not being loaded.
As a workaround for now I have disabled the AIs in registerdialogs.js isDisabled for /content/dam .
Rechecked: still appears in version 0.6.0 of Composum AI for the cloud SDK.