This was posted today by Plex: Sept 25, 2.4.25 This release is only for TiVo devices. Support TiVo Roamio OTA device. Direct playback of MKV+H264 is supported up to 1080p and MP4+HEVC is supported up to 2160p. Supports HTTPS communication with Plex Media Servers We've reported issues to TiVo regarding sluggish navigation performance and troubles seeking/resuming MP4+HEVC videos. I am not at home today to test this but will be tomorrow. Others try it? 2160p? Is this really Tivo Bolt?