This post is from the WWDC26 Core AI Q&A.
Is there a supported way to 'pin' an app to a specific version of an on-device system model to prevent regression in agentic workflows & what is the typical update cadence for these weights?
There is currently no way to pin an app to a specific version of the on-device AFM model. To track regressions in your prompts across model updates, we recommend using the Evaluations framework. As the model changes as part of OS updates, running evaluations will help you identify possible regressions with your prompts.
