A look at the virtual set used in The Mandalorian.
Lead compositor Charmaine Chan chats to Vox about the technology Disney/Lucasfilm’s Industrial Light & Magic calls The Volume – how it works, how it feels, and what it means for the future of film and television production:
One interesting effect of wrap-around LED panels: they double as a light source for the action, creating reflections on actors and surfaces which add to the immersion – and reduce the amount of painstaking keying and relighting in post-production:

In Depth Cine covers How Virtual Studio Sets Are Changing The Way Movies Are Made:
Unreal Engine
The real-time VFX is powered by Unreal Engine, as they themselves explain:
The Mandalorian
In their own behind-the-scenes video on The Mandalorian, Insider contrasts the process and feeling of virtual set versus green screen:
The Mandalorian director of photography, Barry Baz Idoine, describes shooting inside the show’s virtual set (via Variety):
Try It Yourself
We may not all have access to a giant, immersive cylinder of LED screens – but you may own a projector or LCD TV. Film Riot has some rear projection ideas you can try:
Give filmmakersworld‘s creative TV-backdrop shot a try (via No Film School):
Austen Paul uses his TV to create vibrant backdrops for his commercial videos – here’s a roundup of his tutorials:
More on rear projection, its history, and how professional shoots do it, over here: