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When invoking refactoring, then choosing preview and clicking the "Update" nodes one-by-one, I frequently notice that after moving from one class's update to another, the diff panel's content doesn't change, i.e. it still shows the content of the previous class. This can have an effect of unwanted change slipping past the attention.
(reproducible in RC2)
It is P3 IMO
*** This issue has been marked as a duplicate of 121658 ***