Currently, you can see all-in-focus on pictures with Perspective Shift enabled-- when you click and drag to move the living picture around, the entire living picture will go into focus:

NOTES:

• It is not currently possible to export a static all-in-focus image.
• Additional all-in-focus features are possible, and we hope to add more of them in the future.  
• You can subscribe to this same Knowledgebase (KB) article to receive any future news on all-in-focus features.