ARMv9 is the latest architecture from ARM Holdings, designed to enhance performance and security in computing devices. It builds on the previous ARMv8 architecture, introducing new features that support advanced workloads, such as artificial intelligence and machine learning. One of the key improvements in ARMv9 is its focus on security, incorporating a new technology called Confidential Compute Architecture. This allows for better protection of sensitive data and applications, making it suitable for a wide range of devices, from smartphones to servers.