In our review of Quest Pro last year, we pointed out that when moving your tongue around in the virtual mirror, it ruins the illusion to view your facial expressions. Not only that, but the lack of a tongue also limits the expressiveness of social VR.
在Unity和本机代码的SDK版本60中，Meta发布了其新版本的面部跟踪OpenXR扩展，现在也包括舌头。
The Meta Avatars SDK has not yet been updated to support this, but third-party avatar solutions can do so after updating their SDK version to 60.
ALVR DeveloperkorejanHave updated their VRFCT (VRCFaceTracking) Module for ALXR, which is an open source alternative to PC VR streaming to support tongue tracking in VRChat, and released a video showing it offTo X..
Steam Link and Virtual Desktop support facial tracking prior to Quest Pro and can pass it to VRChat, but both apps need to be updated to support the v60 SDK to include tongues.
Don't expect to see other people's tongues in many of the standalone apps, though.Quest Pro's facial tracking has little third-party adoption in the Quest Store.Meta's Horizon suite fully supports it, but VRChat's standalone apps only support eye tracking, while Rec Roomand Bigscreen still don't support facial or eye tracking.
Quest Pro has reportedly sold very poorly and received mixed reviews, and Meta had to drop its price from $1,500 to $1,000 after only four months of launch and offer it for free in recent months. Still, the Quest Pro is apparently still getting software support, having recently received a mixed reality performance boost and now has this new tracking feature.
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