yes this is def a nice trick and I wish DJI would do this automatically. Another possibility for them is to shoot 3 images near zenith 120 deg apart, I'm pretty sure it would reduce the hole to nothing or almost nothing at the expense of 1 extra...
Great panos, @Hummingbird.UAV , but I can assure you mini3 does not cover the entire sphere and leave a rectangular hole in zenith. Here's mini3 pano stitched in PtGUI with the hole plainly visible;
Here's the same pano and hole in PanoVolo...
One of my favorite locations to create aerial images. This is a multi fame panorama, manually photographed and stitched in Photoshop. This is Phipps Wash, a remote place that can only be hiked in to, unless you can fly! Mavic 3 Pro.
that's exactly what it is - there is a hole in zenith that drone leaves because it does not shoot straight up. You can close it to a different degree with PS context aware fill, or may be solid color or gradient fill, or by moving a couple of...