After latest update (2.4), SourceTree doesn't remember credentials for enterprise GitHub accounts

With the latest update (2.4), SourceTree requires me to enter my password for my GitHub enterprise account every time. In spite of checking the 'Save in Keychain' checkbox, it doesn't save my credentials and prompts me to enter it every time. It doesn't show up in the 'Saved Accounts' list either. The saved password used to work prior to 2.4. Looks like a regression.