If your VPN service also offers a SOCKS5 proxy, you might consider using it directly within Deluge instead of the VPN.

There are several dockers available that have been designed to do explicitly what you are looking for. https://www.google.com/search?sxsrf=ACYBGNRLzoThxvdidDqCG-WyCvYxeipmhQ%3A1575561073623&source=hp&ei=cSfpXbbWI_Gn5wKWvJeADw&q=deluge+openvpn+docker&oq=deluge+openvpn&gs_l=psy-ab....

Some of the feeds I use that work fine with the old version of the plugin:

https://yts.ag/rss/0/720p/all/0
http://rarbg.to/rssdd.php?categories=45

Never had any problems here using a Socks5 proxy with Deluge 1.3.x.

I run Deluge in a docker. You can choose from numerous images available on Linuxserver.io. I am running the latest 1.3.15 image (5b398f77-ls22) which is about two months old.

Save yourself a lot of trouble and run Deluge in a docker. It Just Works™

Problems like this are why you should use dockers.

Look around for info on getting started with Docker. Here's one link: https://docs.docker.com/get-started/ A docker image for a program contains everything needed to run the program in the general docker environment. That is to say a properly created docker image will have the proper support program...

I run a lot of things in dockers including multiple instances of Deluge on a Debian 9 based system. I did run the 2.0.3 Deluge in a docker and had only a few minor cosmetic problems until I discovered that the plugins I needed and that worked on 1.3.15 didn't work on 2.0.3. So I am stuck on 1.3.15 i...

I dunno. Maybe it's voodoo? Keep going and hope it keeps working.