My sincere apologies for this bug and any interruption it may have caused to your admissions process. We work hard to ensure each release is stable and working correctly, and it looks like this change was made late in the release cycle to address a different issue, and was unfortunately not caught during testing.
I have now released Gibbon v27.0.01 to address this issue, as well as include any other bug fixes up to this point. If you’d prefer not to update your whole system, the exact fix can be found here, and you can patch your system by updating the files listed in this commit: Admissions: fixed submission emails and acceptance emails not sending · GibbonEdu/core@2fb781c · GitHub
Please let me know if you encounter any further issues with Admissions or v27. Thanks.