Yes, I know. Just more headaches, because you have one more equivalent variant to worry about (use of ẞ is correct but very rare), and fonts that do not support

Yes, I know. Just more headaches, because you have one more equivalent variant to worry about (use of ẞ is correct but very rare), and fonts that do not support the new character ẞ yet or ever (so it will not be standard capitalisation for quite some time, if ever).