When trying to save a product with about 30 variations we get this message:
http://www.screencast.com/t/9cBWvzq99VD
Currently the message reads: ” This form has too many fields (1138) for the server to accept (max 100)
Data may be lost if you submit. Are you sure you want to go ahead?”
With the plugin installed. https://wordpress.org/plugins/wp-max-submit-protect/