New Features

• Added ability to listen to AirPlay status events through JWAirPlayDelegate. 
• Added support for GCKUICastButton for iOS 14+. 
• Playback rate can be set while using Chromecast. 
• Analytics have been added for in-manifest captions. 
• Caption tracks can be specified using desired locale. 
• Added ability to launch an unscheduled ad using JWPlayer.play(ad tag: URL, client: JWAdClient). 
• Added a reason to onBuffer events. 
• Added error reporting for HLS manifest issues. 
• Added sdkVersion to JWPlayerKit, which reports what version of the JWPlayerKit SDK is being used. 

General Improvements

• Added ability to listen to when cues are updated, using JWPlayerStateDelegate.jwplayer(_ player: JWPlayer, updatedCues cues: [JWCue]). 
• Casting interface adapts to both video and audio-only content. 
• Continued improvements to User Interface. 

Fix

• Fixed an issue where incorrect license key error message is displayed.