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As of May 2008, the C# target is in sync with the Java target of the upcoming ANTLR v3.1 beta release. This new version of the C# target breaks source compatibility with previous versions (including previous v3.1 builds). To a certain extent, regeneration of grammars does help, but certain fields have been renamed to follow .NET conventions, which means that the first is capitalized (example: PascalCase (e.g. .tree is now .Tree). The exception is .st, which is now .ST. Additionally, a new target named CSharp2 has been introduced. The reason for this is three-fold:
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