Working with Java 21 I have some issues with RPC serializer causing illegal reflective access in LinkedHashMap_CustomFieldSerializer.
I see that this has been fixed in https://github.com/gwtproject/gwt/issues/9584 but the fix is not included in the 2.10 release as far as I can see.
The workaround is to use --add-opens but this basically open the full java.util package for reflection which is not ideal. I also tried to replace the custom serializer, but due to the way custom serializers are loaded (using the exact package name), this doesn't seems possible without compiling a custom jar.
Is there any plan to make a release that include the fix for this issue, either 2.11 or a path of the 2.10?--
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