After Tyrell’s death, the Nexus-7 project was terminated. The reasons are clear:
Eldon Tyrell aimed to solve the "emotional instability" of replicants by providing them with a past. He accomplished this by: blade runner nexus 7
In the original film, Deckard discovers that Rachael is a replicant, but she is different. She has no termination date. She has implanted memories from Tyrell’s niece. She believes she is human until confronted. After Tyrell’s death, the Nexus-7 project was terminated
