This session will cover recent changes to the P25 Digital Radio Standard, including updates from the TIA-TR8 sub-committee, the Public Safety User Needs Working Group and Compliance Acceptance Program Testing and Conformance testing. We will touch on topics such as Link Layer Authentication, Link Layer Encryption, KMF to KMF standard and those in development and inform end users how they can participate in these critical updates to ensure and maintain multi-vendor choice and interoperability.