DOCXMLRPCS got a bugfix for php installs where magic_quotes_gpc is set and an option to take advantage of a visual editor for xmlrpc values (the editor being part of the jsxmlrpc package, it has to be downloaded separately)
the usual lot of bugfixes for JSONRPC: slightly faster handling of data which is internally encoded as UTF-8; support for booleans, strings, null as valid id in requests and responses; correctly add quotes when serializing datetimes; correct handling of charset declaration in http headers; switched the declared content-type from 'text/plain' to 'application/json' as per the proposed rfc; modified json_extension_api.inc to follow php 445/521 semantics
added in AJAXMLRPC a new server class that takes advantage of ths jsxmlrpc lib for the generated javascript code (instead of jsolait)
one bugfix in XMLRPC_EXTENSION_API