Thanks @jtrout for responding while we could not take this up.
Yes, the trashing of files because of network/external drive getting disconnected had been fixed by 1.2.8 Since then we haven’t encountered any report on the issue.
@Sarah, Please email your Insync logs and compressed copy of the dbs folder (present next to the log.db file) to support@insynchq.com so that we could try analyzing the sync events in your case.