You can expect high-fidelity 2D or 3D art consistent with 1080p standards. The "Final" tag implies that any placeholder art or temporary textures have been replaced with finished assets.
If this is an (the most common use for this naming style): BTQ_5_1080p_Final.zip
As a "Final" build, it is intended to be a standalone experience that doesn't require additional patches. You can expect high-fidelity 2D or 3D art