Cloud platforms have come a long way since Heroku first set out to empower developers. Today’s cloud native development demands even greater flexibility, openness, and scalability. A fun fact about Heroku is that we use trees to denote the generation of the platform technology stack (aka version). In the tradition of Aspen, Bamboo, and Cedar, we are introducing Fir, the latest Heroku technology stack built on open source standards and cloud native technologies. When we launched Cedar, we introduced a new way of thinking about application development and popularized principles like stateless applications, automated builds, and other twelve-factor principles ; encouraging developers to build applications that were portable, horizontally scalable, and resilient. This work extended beyond our own user base and shaped how the industry builds and deploys applications.…