Sorry to bother you again but I've come across conflict on a site which is about to start using your Stripe RSForm Pro plugin for form payments (for event registrations and the like) and OS Membership Pro which has its own Stripe payment plugin.

I first reported the issue to OsSolutions, the developers of OSMP, as I was getting a white screen when trying to sign up to a membership when their Stripe plugin was published. They debugged it for me and found that there was a conflict with your own plugin. They said:

"It causes by conflict with plgSystemRSFPStripe on your site. It is strange that they load the library at the beginning of the file while the plugin is a system plugin. I moved the code to rsfp_bk_onInit and the issue should be sorted now. I modified their plugin. plugins/system/rsfpstripe/rsfpstripe.php"

I'm not sure if this is enough info to help you but it does seem like, whatever they adjusted in your plugin, means that your one continues to work but it also doesn't conflict with their plugin.