From CNN:
While Taiwan in 2019 became the first jurisdiction in the region to legalize same-sex marriage, the legal change stopped short of granting full rights of adoption to homosexual couples.
That has created a strange loophole in which heterosexual couples — and single people of all sexual orientations — are allowed to adopt children to whom they are not biologically related, but same-sex couples aren't.
Activists say this loophole shows that despite the strides Taiwan has made in recognizing LGBTQ rights, the island has a long way to go before same-sex couples have true equality.
Read more here.