I like that it's focused on letting you use your own way to gather customer insights, define business goals, and prioritize work.
I've tried everything on the market and ProductBoard is the ONLY one that has stuck. I live in it every day. I've got Zapier zaps sucking in feedback from all over the place, and now with the Feedback Portal they unveiled, I'm able to provide transparency internally without frying non-dev non-designers minds with making them go into Jira (or even Trello I've found is TMI/confusing for people).
We loved it from the start. It is effortless to use, to prioritise features, visualise the roadmap, the filtering works super, which makes it easy to go through the backlog and plan the work. Integration with Jira works very well, UI is crystal clear, personalisation of the product is a 4.0. It's very easy to link feedback gathered from the customers with the feature that it relates to. A portal is a place for your clients to see what is planned & what is being done as well as them making features request.. We are continiuosly in love with it. A weak point of the product is the commenting and discussion part. It's a bit hard to respond to a particular message, it would be nice to have some treads, and quick responses (emoji) since we decided to take the whole discussion regarding product decisions out of Jira. What would make this product perfect for me, is the possibility to assign and set the due date for the features - this would allow us to see where the team is weak and where it is strong. Nevertheless we've been using it for about three months now, and so far, it was the best decision we've made to stick with the product.
The ProductBoard team is awesome and does a great job of listening to feedback and incorporating that into their own roadmap. This latest integration is another example of their thoughtful implementation.