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Now the META-INF/org.uimafit was renamed to META-INF/org.apache.uima.fit.

JCasUtil.iterate

The method JCasUtil.iterate() is deprecated. JCasUtil.select() should be used instead.

Legacy support module

The compatibility layer should allow you to migrate to uimaFIT 2.0.0 without breaking anything. You should then be able to gradually change the codebase to be compatible with uimaFIT 2.0.0. As far as my tests go, uimaFIT 1.x and 2.0.0 can coexist peacefully on the classpath (and indeed both need to be on the classpath in order to use the legacy support module).

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