Hello,

I just recently updated the plugin from version 4.5.1 to the recent 5.5.3 version.The problem I am having is that the pictures posted before the update are the small 100 x 100 thumbnail size. The image thumbnail size is set to 500px in the plugin settings and all the images posted after the update are the correct 500px size. If I edit and update an older post without making any changes to the post, the image updates to the 500px thumbnail size. 

My question is if there is a way to make all the images posted before the update have the new thumbnail size without having to edit each individual post?

Thanks,

Mike