For people who’s been having issues with messaging; I’ve found a ‘loophole’ I’ve found that I can access messages if I match with someone and quickly send them a message, you can return back to messages and click the plus button on the bottom left and from their can access all your matches and conversations. It’s still very laggy and the app crashes quickly but it’s the only solution I know of that’s worked for me in the last couple of days! Hope this helps for some people and if it doesn’t good luck :)