The user query "imovie 1025" is likely a typographical error for v10.2.4 or v10.3.5 (a newer version). Alternatively, it may represent a "phantom" version number rumored on forums but never officially released.
Once upon a time in the digital landscape of June 2021, Apple released iMovie 10.2.5
The iMovie 10.2.5 update introduced several significant features, including:
It is the final major update for users who cannot or do not want to upgrade past macOS 10.15.