I have a custom build from 3rd April which only adds some Java 8 API emulation patches and it works without issues when using -sourceLevel 1.8 .
Maybe you are not passing the parameter correctly? How do you launch DevMode/CodeServer/Compiler? -- J. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.