We’re seeing a change in Spotlight search behavior on iOS 17 and later:
Observation: User‑visible keywords we index (e.g. via Core Spotlight / CSSearchableItemAttributeSet with keywords) only start appearing in Spotlight suggestions after the user has typed more than 3 characters. With 1–3 characters, our app’s content often doesn’t show up at all, even when it clearly matches. Before iOS 17: The same indexed content could appear with fewer characters (e.g. 1–3 characters). Environment: Reproduced on multiple devices running iOS 17.x / 18.x; behavior is consistent. We’d like to confirm:
Is this a documented change in iOS 17 (e.g. minimum character threshold for third‑party Spotlight results)? If yes, where is it documented? If it’s not intentional, could this be treated as a bug and considered for a fix in a future release? We’re happy to provide a sample project or more detail if that would help. Thank you.