Version 5.0 is being prepared, there were problems with the new header hashing, but it seems to have been solved. After a closed test, there will be an open test.

The second change they wanted to make will probably be in version 5.1 and after a vote with the community - it obviously affects developer funding and listings on exchanges

His own exchanger will not do, but will be the exchange + simplified script, so that everyone could put it on a hosting with support for php.