Yes they have
Just consecrated UMC Bishop Olivetti is not only a lesbian, but she is in a legal, lesbian marriage and has performed 50+ homosexual weddings.
The denomination study group preparing for a special general conference in 2019 is leaning toward a planned split of the denomination into 2 or 3 new, separate denominations.
https://goodnewsmag.org/2017/07/closer-to-a-way-forward/
This is insane — the left is taking down another Christian Church.