GWT 1.7.x + Safari 4.0.5 = Crash
Last year’s success story continues. If you consider to do GWT 1.7.x development on a 10.5.8 Leopard, you better spare the 4.0.5 update too and stick to Safari 4.0.3; it keeps crashing even though the bug was reported to be fixed in 4.0.5. I am displeased.