In the past hours Blizzard announced that Echo, the new hero coming on Overwatch, will be published on the next live servers 14 April. 

Game director Jeff Kaplan announced that the character has waited so long on the PTR (the title test server) precisely because the developers have had problems in balance the latter, given the power of its ultimate "Duplicate“, Which allows him to copy and use the skills of an opposing team member.

Echo it will also be the last character to be released before the release of Overwatch 2, although we don't yet have an official release date for the latter.