Reworking (noun)

The act of altering or improving something that has already been created.

Origin:

From the verb 'rework' + the suffix '-ing'.

Examples:

1. The reworking of the screenplay was necessary to make the movie more engaging.
2. The reworking of the building design resulted in a more efficient use of space.
3. The band's reworking of the classic song was well received by audiences.
4. The reworking of the recipe improved the taste of the dish.
5. The reworking of the software resolved many of the previous bugs.