This release fixes two rare Eth1 sync issues that led to some validators vanishing from the database.
The 1st bug potentially affects validators that were added, deleted, and then re-added (probably in quick succession), and the 2nd bug affects validators whose owner has updated it's fee recipient address in-between registering validators.
We highly advise you to erase your current database after switching off your node and before starting this version.
If your node was not impacted, you don't need to delete your database. However, it's hard to confirm without inspecting the logs from over a week ago. Therefore, erasing the database is the safest option. Resyncing SSV from scratch should only take a few minutes.