Owners of the Apple Vision Pro who are also in the developer beta can now download and install the fourth test build of visionOS 1.2.visionOSThe fourth build of visionOS 1.2 surfaces after the third, which Apple issued on April 24. The second arrived on April 16, while the first appeared on April 2.The new build is build number 21O5580a, replacing the third beta, build number 21O5570d. Continue Reading on AppleInsider | Discuss on our Forums