Whilst the critical error of 2.3.2 has been fixed in 2.3.3 I am now getting this at the head of the dashboard html - not sure what the implications of this are yet but so far it all seems to be working - looks untidy though:
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just noticed this post before mine:
http://wordpress.org/support/topic/plugin-constant-contact-for-wordpress-problem-activating-constant-contact-api-form-designer?replies=5