Images disappearing after drag and drop on Mac
Illustrator 29.4
Drag and drop from a Browser to an Artboard
Use Cmd Shift 4 and drag a screendump to an artboard
Drag and Drop from Photoshop a layer with transparency to an Illustrator artboard.
Saving and opening the Illustrator file makes it disappear or gives some distorted lines.
https://community.adobe.com/t5/illustrator-discussions/screenshot-disappears-in-illustrator-29-3-and-up/m-p/15237401#M439060
https://community.adobe.com/t5/illustrator-discussions/illustrator-29-4-images-disappearing-after-save/m-p/15246575#M439583
https://community.adobe.com/t5/illustrator-discussions/image-disappears-after-dragging-and-dropping-from-photoshop-to-illustrator/m-p/15247056#M439609