Gregory's Server
The article doesn’t mention that the themes were renamed (and the new names were even localized) shortly before their removal. Looks like this went unnoticed outside the fedi
New: Meta has deleted trans and nonbinary Messenger themes, as well as the blog posts announcing them. Happens the same week that it has changed its rules to allow users to say LGBTQ+ people are "mentally ill"
https://www.404media.co/meta-deletes-trans-and-nonbinary-messenger-themes/