Should I update my TAU with Summer 2020 coursework?

I did my initial TAU in January and it had all my Spring 2020 Coursework + Fall 2019 Grades.

However, I sent ANOTHER TAU in mid-Feb that updated my ‘IP’ grade to an actual letter grade.

Should I send another TAU (it would be my 3rd one) for the Summer 2020 coursework that I plan on taking?

Is it even worth taking Summer 2020 classes since the course I plan to take is not major-prep and merely on the list of “Additional Approved Courses For This major” on assist.org

The only reason I plan on all of a sudden taking some Summer is because I was thinking it could potentially help my chances for application if an admission officer sees that I am taking major-related/assist.org courses over the Summer prior to transfer.

Is my understanding, right? Will taking Summer 2020 courses that are major-related increase my likelihood of admission?

Stats:

GPA: 3.87

All major-prep taken, IGETC finished, I’m just debating if it’s worth taking Diff Eq over the Summer since UCLA/UCSB has it down as an “additional recommended course” but technically not major-prep.

Thanks!

No don’t bother. When you get accepted if you want to take a summer course ask them then.