plugin upgrade disable?

If you’re up to speed with modifying plugins, give this a read:

https://markjaquith.wordpress.com/2009/12/14/excluding-your-plugin-or-theme-from-update-checks/

I am not a PHP programmer (IANAPP?) but that should exclude your plugin from even getting checked for an update. Also keep in mind that some plugins get updated for security reasons so watch your code for those critical updates.

Thanks. Yeah, there are trade-offs when customizing plugins so I try to do it only when necessary…