Complex sentence: Many new producers (XL, Suga Bear, Ezell, Kenoe) arrived but didn't quite meet expectations, and many of the No Limit artists did not reach longevity and left for other projects.
Split into simpler sentences: Many new producers (XL, Suga Bear, Ezell, Kenoe) appeared but didn't quite meet the expectations. Many of the No Limit artists did not reach longevity and left for other projects.