How to fill the gap with the repeated content of a fragment

[shotcut]

Replace a clip

Timeline > menu > Edit > Replace (also in the clip context menu) uses what is in Source as the source of that operation. It is sensitive to the in point set in Source so you can choose the starting point of the replacement. Did you know you can search the forum and separately Shotcut’s UI: Help > Actions and Shortcuts > search. You can also trigger the actions from that dialog: