YouTube Breaks Legacy 3D Videos but maybe it is for the best moving forward?
Since August 2026, you cannot upload 3D Stereoscopic videos tagged for YouTube 3D using the older methods...It must now be injected with Spatial Metadata. Which means the following instructions users have relied on no longer works for 3D video on YouTube. https://support.google.com/youtube/answer/7278886?hl=en Videos uploaded following the old instructions will only show 2D in YouTube with no options for anaglyph or display in side by side. Fortunately for 3D enthusiasts, there is some good news. Eric Kurland from 3D-Space has released a tool that makes it possible to inject the new Spatial Metadata so that YouTube 3D once again works with 3D anaglyph available on the desktop and Half SBS for 3DTV. The spatial metadata allows the 3D video to display in anaglyph and I assume support for their VR headsets. Now the bad news... Older previously uploaded 3D videos that used to work correctly have now suffered the same fate and now displaying only in 2D. There is no option to change to anagl...
