• Introduces new keys CIS_SSDK_PLAYBACK_METRIC_AUDIO_LANGUAGE, CIS_SSDK_PLAYBACK_METRIC_SUBTITLES_LANGUAGE, CIS_SSDK_PLAYBACK_METRIC_CLOSED_CAPTIONS_LANGUAGE within reportPlaybackMetric() API for setting audio track changes, subtitle track changes and closed caption track changes respectively.
• Does not collect Advertising Identifier to comply with Apple guide lines.