We have added the ability to drag and drop images, videos, and file attachments directly to the message editing pane for all community discussion styles (forums, blogs, TKBs, etc.) or as attachments to the article/post.
Note: Constraints for image, video, and file attachments (for example, supported file types and maximum file size) are all based on the admin settings configured by your community administrator.
To drag and drop images or videos into the editing pane of an article, post, or comment, find the image or video you want to add and drag it into the writing area
Your image uploads and renders in the editor:
Note: When using the Safari browser, any files dragged and dropped into the message editor that are not supported/cannot be displayed inline by the message editor are automatically attached to the message instead.