•Moriarty’s role and death has been made explicit
•The Redbeard incident has been completely uncovered.
•Sherlock is now considered “a good man”
•He remembered Lestrade’s name
•Mary had her last words
•Baker’s Street has been restored
•John and Sherlock have been living together happily and raising Rosie, while solving cases, for some time.
•There was no cliffhanger ending
There’s not going to be a season five