The fact, indeed is that as XML by the power of BitBay will de delisted due to its privacy concerns. As such, XML users have been advised to withdraw remaining XML by 20th May 2020 (source: https://www.coindesk.com/another-crypto-exchange-is-dropping-privacy-coin-monero-over-compliance-risk).

According to this source, the decision wasn't taken lightly but was necessary for BitBay to comply to their market standards, and this decision not only affected XML but zcash which has also been delisted. To read more on this, see link above.