The preview introduces Junie as the first proof point for ACP support in ReSharper, and lays groundwork for an ACP Agent Registry. JetBrains says the vision is to let developers discover, switch, and use different agents through the same interface.
This is one of the clearest statements yet that IDE vendors are treating agent choice as a platform concern. For .NET teams, it means more flexibility in how AI fits into the IDE without giving up the refactoring and analysis tooling they already rely on.
Install the EAP and follow the Junie prompt inside ReSharper if you want to test the flow. If you are evaluating it for a team, pay attention to how ACP changes agent selection, model choice, and the boundary between IDE intelligence and assistant behavior.
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