John L will need to give the real review, but one nit:
http://gwt-code-reviews.appspot.com/1383801/diff/1/dev/core/src/com/google/gwt/dev/shell/StandardRebindOracle.java File dev/core/src/com/google/gwt/dev/shell/StandardRebindOracle.java (right): http://gwt-code-reviews.appspot.com/1383801/diff/1/dev/core/src/com/google/gwt/dev/shell/StandardRebindOracle.java#newcode163 dev/core/src/com/google/gwt/dev/shell/StandardRebindOracle.java:163: if (minCostRuleSoFar.getFallbackEvaluationCost() < Integer.MAX_VALUE) { Should tell them what you could not find an exact match for, right? Looks like this would print out IE8, but how will they know that IE9 is the problem, and that user.agent is what you're trying to resolve? http://gwt-code-reviews.appspot.com/1383801/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors