DWP has released a written ministerial statement that affects the connection deadline for pensions dashboards.
Additional guidance will be published in due course.

Published by: Pensions Dashboards Programme  

Getting data ready is a critical part of the process for pension providers and schemes preparing data to connect to pensions dashboards. The Pensions Dashboards Programme has put together helpful guidance on how to cleanse data so that it is accurate and up-to-date.