The tweet:
https://twitter.com/wasabiwallet/status/1503091503207432193
Essentially, they will start refusing UTXOs associated with illegal activities, preventing them from participating in CoinJoin transactions. The list of what they are consodering illegal can be found here:
https://twitter.com/ODELL/status/1503141547071754242It is not clear how they will determine if certain UTXOs are illegal or not, but it all definitely can be called an attack on fungibility and privacy. If this news is true, the default coordinator run by zkSNACKs company is no longer a reliable solution to coinjoin your transactions.