You can now login to your Reclaim account using any connected credential

When you sign up for Reclaim using your Google account, Reclaim will use that account's email address as your primary login for your Reclaim account.

However, to make it easy for you to access your Reclaim account, we've made it so that you can now log into Reclaim using any other connected account that you use to sync calendars using Reclaim's Calendar Sync feature.

You can read more about the improvement here.