This is widely considered a landmark in filmmaking history, setting the standard for digital characters in modern cinema. Movie Specifications and Special Versions
The most revolutionary feature of the 2002 production was the to bring the character of Gollum to life.
Physical releases (like the 4-disc DVD set) often include hours of original documentaries , director and cast commentaries, and extensive design galleries.
The most likely interpretation is that you are looking for a or specification of this particular film or its special editions. However, "provide a feature" could also refer to a technical feature (like a codec or subtitle) or a developmental feature for a database or app.
This version is highly sought after by fans as it features over 40 minutes of new and extended scenes integrated into the film, totaling roughly 223–235 minutes depending on the format.