I did a quick check on this, and I found an existing improvement request to update the Subversion plugin to version 2. Kindly see the related request for more info on this:
However, I am afraid that I couldn't confirm the status of the improvement request, hence I would advise you to start following the issue for future updates on the matter, and feel free to drop your comment there if you have any feedback to our developers.
Though it's not much, I hope that this helps to clarify the matter.
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