Online due to Covid-19
If you are able to provide any more information, please contact the Archivist.
The full schedule is visible below in the PDF documents. There were many workshops, 16 live events to watch, and online socials.
Article about NSDF21 on their website
The source for the schedule is from emails that are linked below as pdf files, as most of this information is hidden behind a log-in feature on their website. Thankfully this is within recent history and I attended this NSDF online, but sad it is/was the only record.