v2.21.0-rc.1

Changes since v2.20.3:

Audio

• Fixed an issue where the reroute notification sound played when switching to an alternative route. (#4822)

Other changes

• Added RouteControllerNotificationUserInfoKey.shouldPlayRerouteSoundKey to the user info dictionary of Notification.Name.routeControllerDidReroute notification. (#4822)
• Fixed a bug with excessive VisualInstructionDelegate.label(_:willPresent:as:) delegate method call during initialization.
• Fixed a randomly occuring race condition related to the usage of URLCache that could cause a crash. Documentation is available online or within Xcode.