This feature, which effectively lets player-created cosmetics for things like dinos, structures, and clothing dynamically arrive to their game, will be launching in two phases: Phase one will arrive on February 1st and require users to manually install these items, while phase two will introduce the option to automatically download them in the background when encountered during gameplay on April 1st.
Content retrieved from: https://massivelyop.com/2024/02/01/ark-survival-ascended-is-launching-a-streamlined-way-to-get-player-made-items-in-february-and-april/.