Meta is prioritizing shipping an ultralight Horizon OS headset with a tethered compute puck in 2026, multiple sources tell UploadVR.The two previously leading candidates for a Quest 4 series, codenamed Pismo Low and Pismo High, have been canceled, these sources suggest, while the next candidate for a traditional form factor Quest most likely wouldn't ship until 2027.Simultaneously, the company is accelerating its plans for an extremely light open-periphery headset with a tethered compute puck ru...