4.6.0

• Kendra integration is now fully automated during install or update when the new default Kendra Index Id parameter is provided.
• Kendra custom no_hits item required in earlier releases is no longer required to enable Kendra Fallback and should be removed, configurable confidence thresholds now available for filtering Kendra results.
• Kibana dashboard now shows additional detail on questions answered via Kendra FAQ and Kendra Fallback.
• Standard markdown is now automatically converted to Slack markdown when using Slack, Kibana dashboard logs and metrics retention period is now configurable during install or update, Lambda runtime upgraded to Node.js 12.x.
• Two new settings have been added
  ALT_SEARCH_KENDRA_FALLBACK_CONFIDENCE_SCORE - Answers will only be returned that or at or above the specified confidence level when using Kendra Fallback
  ALT_SEARCH_KENDRA_FAQ_CONFIDENCE_SCORE - Synchronized FAQ questions will only be matched to an ElasticSearch question if the Kendra FAQ confidence level is at or above the specified confidence level.