…om.xml I have no clue why slf4j was added in the first place as it is unused, but it causes issues in applications that don't want to have it in their classpath. Everyone is happier this way.
… debugging and hotcode changes more usable
…lid method calls lead to a compiler exception; undefined variables and properties evaluate to null - even when used inside more complex expressions
…d as booleans any more
…vents by factor 3-4; cleanup in expression handling and for/each-interation code