A feature satisfaction survey rates the parts of your product one by one, so a general score doesn't hide a weak spot. This template asks users to rate speed, reliability, design and ease of use, reporting and customer support, to divide 100 points across what you should improve first, and to say what is missing that would make them use the product more. It takes about 85 seconds.
It is written for an email to active users twice a year, a few weeks before you plan the next half of your roadmap. Send it to a list now or schedule it up to 30 days ahead. The same survey runs at a link you share in your product newsletter, or as a conversation that asks one question at a time.
Results shows a heat map of satisfaction for each part with row averages, the average points each part received, and every answer about what is missing with its theme and sentiment, each against the period before. Read the first two together: a part with low satisfaction and many points is the clearest next fix.