I'm testing WebVTT captions and while I see the caption languages are available to select in captions menu, no captions show up on screen. Pam January 28, 2019 22:23 Updated Follow Issue Captions appear in menu, but not on-screen. Environment SDK Answer Try using a tool like the Live WebVTT Validator for tips on how to troubleshoot your captions files. Additional Resources Related articles Is there a way to utilize Roku's built in closed captioning support for a video when it is not in full screen? Comments 0 comments Please sign in to leave a comment.