The proposed movie for mid 2022 was mentioned publicly again by Hasbro (America) at a recent licensing event, noting...

We are in deep development along with our partners at Paramount on the 7th Live Action Feature of the Transformers Franchise. Slated to release in Summer 2022. The next blockbuster film will bring action-packed, high adventure from the lore which will thrill audiences worldwide and will continue to propel the franchise forward.