[Mar 21, at 6 pm EET] This has now been resolved. Sorry for the inconvenience once again.
[Mar 20, at 6 pm EET] Due to an issue on Threads, the connection feature isn't working at the moment. However, publishing still works as usual. We apologize for any inconvenience this may cause and are actively working to get this fixed with Threads team.
Thank you for your patience!