Site Reliability Engineering (SRE), originating at Google in 2004, has evolved significantly from a proprietary concept to a widely recognized profession, marked by the publication of the SRE book in 2016 and the rise of SREcon conferences. Initially, SRE was a specialized role within large organizations, but as cloud-native technologies proliferated, even smaller entities recognized the need for SRE practices, leading to a shift where all engineers adopt SRE responsibilities. This transition signifies a movement towards a third age of SRE, characterized by a decline in dedicated SRE roles and an expectation for all engineers to possess an SRE mindset. The future envisions an environment where advanced services from cloud providers allow engineers to focus more on product development while still requiring a deep understanding of SRE principles, ultimately integrating SRE education into university computer science programs as a hallmark of this new era.