Unable to load from keychain after updating to 1.13.1

After updating to version 1.13.1-1, Mailspring has stopped working, showing the message:

Your Mailspring ID password could not be loaded from keychain. Please visit Preferences > Subscription and click “Setup Mailspring ID” to sign in to your Mailspring account again.

Yet, even after signing in, Mailspring presents an error saying it couldn’t save the password.

Please check out: Password Management Error after the latest Upgrade