The latest operating system update from a leading tech company includes a deeply integrated AI writing assistant that works across all native applications. The feature can draft emails, summarize documents, and rewrite text in different tones without requiring a separate app.

Privacy advocates have raised questions about how the AI processes user data, particularly in professional and enterprise environments where sensitive documents are commonplace.

The company asserts that all AI processing occurs on-device for most tasks, with cloud processing used only for complex requests and subject to strict data handling policies.