for information: http://fwierzbicki.blogspot.com/2009/09/jython-251-release-candidate-1-is-ou... Release notes: Jython 2.5.1rc1 New Features - Upgraded to ANTLR 3.1.3 - [ 1859477 ] Dynamically loaded ServletFilters like PyServlet - Built in JSR 223 scripting engine, with LiveTribe JSR 223 implementation for JDK 5 - Jython "-J-classpath cp_args_here" now works as expected for unix shell. Bugs Fixed - [ 645615 ] cannot import through symbolic links - [ 1366 ] parsing of lamda expression fails - [ 1365 ] continuation lines fail in interactive interpreter - [ 1377 ] Event names shadowed by a field name on Java types leads to a NPE - [ 1381 ] Redundant declarations of interface implementation hides overriden methods - [ 1189 ] MD5 hash is incorrectly calculated when string contains non-latin chars and using python md5 lib - [ 1802339 ] Problem printing unicode when stdout intercepted - [ 1145 ] Jython 2.5 compatibility problem with JSR 223 - [ 1400 ] Evaluating expression via JSR 223 ScriptEngine returns null instead of True/False - [ 1413 ] Array data type (PostgreSQL) is not supported (NPE) - [ 1434 ] Cannot get return code from a process started with os.popen with Jython 2.5 (worked in 2.2) - [ 1391 ] socket.getaddrinfo() breaks ftplib FTP client - [ 1409 ] JSR-233 engine version numbers backwards - [ 1408 ] JSR-223 engine doesn't implement I/O redirection - [ 1393 ] TypeError: _new_impl(): expected 1 args; got 0 - [ 1415 ] ast Node creation fails with no arg constructors - [ 1405 ] Executing __run__.py from .jar throws exception(SystemExit: 0) in main when sys.exit(0) is called - [ 1439 ] Can't write() array.array - [ 1139 ] crashes on isinstance - [ 1430 ] Oracle JDBC Connection close - [ 1406 ] Parsing a simple PEP 342 coroutine crashes Jython 2.5 - [ 1407 ] ClassCastException in plain Python coroutine - [ 1424 ] Relative imports do not work in some cases The JSR223 part sounds cool. Maybe we can have a jython macro at last? Thanks -Vincent