No. What's been shown is that in different regions of spacetime that are connected by closed time-like curves (CTCs,) events can occur (actually, be made to occur) that violate classical deterministic mechanics. These forced events (referred to in the paper as "operations") can have causality that is observed by the regions connected to it, but in the non-connected regions no causality is apparent.
That's how I read the paper, but I skipped a lot after the first 4 or 5 pages and went to the conclusions. I might have that observation above backwards.
Harte
ETA: The paper, surprisingly, is not behind a paywall and is available as a pdf at the link given in the article.
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