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This question confirms that RegionPlot of a TransformedRegion is broken in version 10. One year later, is this problem still unfixed in version 11, or is there something wrong with my Mathematica?

From TransformedRegion documentation:

\[ScriptCapitalR]=TransformedRegion[Disk[{1,1},4],{Indexed[#,1] Indexed[#,2],Indexed[#,1]+Indexed[#,2]}&];
RegionPlot[\[ScriptCapitalR]]

Picture before evaluation, in documentation:

enter image description here

Picture after evaluating:

enter image description here

Using version 11.0.1.0

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  • $\begingroup$ still broken for me in 11.0.1 $\endgroup$ – user6014 Nov 9 '16 at 2:53
  • $\begingroup$ Still broken in the prerelease version of 11.1.0 $\endgroup$ – dan7geo Nov 9 '16 at 5:24