You can now layer text and secondary photos directly onto grid posts using an editor similar to Instagram Stories.
Choose to restore the square view or "Fill" to match the new vertical layout. Recommended Design Specifications (2026) Grids for Instagram 6.1.6
Because of the shift to portrait-style thumbnails, older square content may appear cropped or with "black bars." You can fix this through the following steps: You can now layer text and secondary photos