- OneNote 2016 support dates will now align with Office 2019 through 2023 for mainstream support and 2025 for extended support. - OneNote 2016 will be installed across Office by default again. - The OneNote for Windows 10 and OneNote for Office 365 teams are working to merge their codebases, with a projected ship date of July 2021 after increasing engineering resources, though stabilizing the merged code poses risks. - Upcoming OneNote roadmaps will include features like @mentions, meeting notes, section sharing, tasks, and a next generation canvas.