I published an image to Flickr using Lightroom. Afterwards I changed the development settings and, as LR diligently asked me to re-publish that image (explicitly asking if I wanted to replace it), I did. The process completed, I waited a few minutes to give Flickr some breathing room and went to see if the image had been replaced.
[!] The above essentially translates to the workflow described in Adobe's dated help page.
Sadly, even after almost an hour, clearing my browser's cache and even trying the famous "jf Flickr" plugin, I had no luck in replacing the image.
To be clear, my intent is to replace the actual image, not change the metadata. Is this supported by any of the available Flickr plugins for Lightroom?
As osullic kindly pointed out, the Flickr API seems to support image replacement.
Update addressing osullic's answer.