It adds HomePod 16.3 Software, Adds Humidity and Temperature Sensing to HomePod mini, Find My, Audio Tuning — Apple this week silently announced the second-generation full-sized HomePod, around two years after it discontinued the original smart speaker. The upgraded HomePod, priced at $299, joins the HomePod mini in Apple’s line of TV and Home products with several new changes and features. A lower price tag at launch, a…