The NDSRDC annual symposium, Blending Collaborations and Bridging Gaps: Digital Preservation Communities of Practice <https://ndrs2017.wordpress.com/> took place on August 17 and brought together a group of speakers to discuss collaboration in digital preservation and community-supported efforts that have allowed for project-based or grant-funded digital stewardship activities to transition into long-term, sustainable services. The recording of the event is now available here: https://archive.org/ details/ndsr-dc-2017 Some of the presenters' slides are available here: https://osf.io/view/NDSR DC2017/