Recently, The Elder Scrolls uploaded a trailer / teaser for the upcoming companion system.
Want to know more about the companion system? Check out one of the official Companions Guides.
EN (US): https://www.elderscrollsonline.com/en-us/news/post/60015
EN (GB): https://www.elderscrollsonline.com/en-gb/news/post/60015
FR: https://www.elderscrollsonline.com/fr/news/post/60015
DE: https://www.elderscrollsonline.com/de/news/post/60015
RU: https://www.elderscrollsonline.com/ru/news/post/60015