I have article blocks with images but since 7.4 update all images are gone when opening any newsletter in editor. Even old ones show the images in preview but in editor no.
Any image options I choose no images are shown.
Please raise a support ticket for this here: https://www.acymailing.com/support/
Got a reply and a fix too. Its a bug introduced in v7.4. Its gonna fixed in the next version.
Thank you foir sharing this, enjoy your Acymailing!