Hey, finally the Planner team has revealed the new features coming up in Planner in next few months and their vision for long term plans including integration with other apps in Office 365 eco system. Here are the glimpse of those announcements from Microsoft Ignite 2017. Check the below blog for more details.
http://www.jijitechnologies.com/blogs/microsoft-planner-new-feature-announcements-ignite
