RSSelectionMenu crashes if app uses UIKit Scene

[dme8a8]

Crash in UIKit Scene-based apps (UIApplication.shared.delegate?.window is nil)

Summary

RSSelectionMenuController can crash in scene-based iOS apps because it force-unwraps UIApplication.shared.delegate?.window (or derived values). In multi-window (UIScene) setups, the app delegate typically does not own a window (SceneDelegate / UIWindowScene does), so UIApplication.shared.delegate?.window is often nil.

This results in a runtime crash (Swift runtime failure: unexpectedly found nil while unwrapping an Optional value).

Affected area

RSSelectionMenuController around line ~227 (exact line may vary by version), where window bounds/orientation are derived from:

• UIApplication.shared.delegate?.window
• force-unwrapped window??.bounds
• possibly other force unwraps such as tableView! usage

Steps to reproduce

1. Create a new iOS app using the default Xcode template with SceneDelegate enabled (multi-scene / UIScene lifecycle).
2. Present RSSelectionMenu (e.g. from a pushed view controller or modal).
3. Trigger the code path that computes layout using UIApplication.shared.delegate?.window (e.g. showing the menu / background overlay).

Expected behavior

Menu presents correctly without crashes in scene-based apps.

Actual behavior

App crashes with something like:

• Thread 1: Swift runtime failure: unexpectedly found nil while unwrapping an Optional value
• because UIApplication.shared.delegate?.window is nil under scenes.

Environment

• iOS: 13+ (UIScene lifecycle)
• App lifecycle: SceneDelegate / UIWindowScene
• Library: RSSelectionMenu (version 7.1.3)
• Xcode: 26.2

Root cause

In scene-based apps, windows are owned by UIWindowScene / SceneDelegate, not UIApplicationDelegate. Therefore:

UIApplication.shared.delegate?.window