IAB Tech Lab has released AAMP 2.3, an update to the Agentic Advertising Management Protocol (AAMP), which introduces changes intended to support enterprise deployment and adoption of agentic media buying. The update includes deployment and interoperability changes, such as Amazon Bedrock AgentCore Runtime support, MCP transport enhancements, OAuth-based authentication, pluggable storage backends and support for OpenAI, Google Gemini and other OpenAI-compatible services, as well as integrations with Google Ad Manager Reporting and Meta Ads. It also introduces a vendor approval gate through the IAB Diligence Platform/SafeGuard Privacy, pricing provenance to trace the source of CPM data and Agentic Audience features, including OpenRTB audience vector embeddings, a Prebid module and Mixpeek contextual enrichment technology to support audience matching using existing taxonomy standards. The update is intended to address deployment, governance, pricing transparency and audience matching to support enterprise adoption of agentic media buying.