https://www.npr.org/2023/10/05/1203845886/women-tech-conference-men-grace-hopper
Some of the attendees had lied about their gender identity on their conference registrations, said Cullen White, the chief impact officer with AnitaB.org, the nonprofit that organizes the conference.
So basically, people now have to provide "proof" of their gender identity, rather than have it be accepted without question.
"We tried to create a safe space. And this week, we saw the outside world creep in," she said. "I can't guarantee you that we'll have solutions tomorrow. But I can promise you that we'll be working on solutions, and we won't do it in a bubble."
So the "safe space" is still alive and well.