The article is from over a year ago in May 2015. This BBC article from a few months ago in May of 2016 confirmed that by the end of this summer they are still planning to reserve a portion of the Right Bank only for pedestrians and there is also a map to mark the area that will be blocked off from cars.

http://www.bbc.com/news/magazine-36169815

I don't see any more recent updates and this August 15th article with quotes from Mayor Anne Hidalgo is the most recent confirmation I've found that the work is ongoing:

http://pejnews.com/index.php?option=com_content&view=article...