Membership 2 Pro - Coupons Won't Turn on

Whats going on guys, First you break my coupons with your Membership 2 Pro (Version 1.0.3) update, and now I can't even re-enable coupons on your Version 1.0.3.1 update.

I roll back to Version 1.0.2.9 and it works again

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Can you please implement some for of QA before releasing plugins, I understand errors happen, but this is not really workable, especially since my plugins auto updated and broke a rather large site.

Maybe an option with automatic updates to set the time delay before update (say 1-2 weeks for large important sites) or even setup a ReleaseCandidate system where by you send out all your plugins as RC for a week before setting them live, so it can be crosschecked and tested by members to pick up these errors.