Stacki has released version 4.0 with new features including complete REST API version 2, support for SLES 11 and 12, NetApp storage configuration, OS abstraction to support backend nodes running Ubuntu or SLES, and an open source Kubernetes pallet version 2. Stacki Ace version 1 has also been released which allows Stacki to run on Raspberry Pi and ARM architectures. Future planned developments include REST API version 3, UX updates integrating the REST API and adding user accounts, and support for MicroOS/CaaSP and non-RHEL frontends like SUSE.