【Beta】VirtualCast ver1.9.4e release

This article is a release note for VirtualCast Beta.
For information on how to play Beta, see here.
[h2]Improvements[/h2]
- Added "White" to the marker pen.
[h2]Bug fixes[/h2]
- Fixed the issue where some items (such as comments and gifts) could not be attracted.
- Fixed the issue where the head of an avatar did not follow the position of the HMD bellow certain height when Vive Trackers are used for feet only.