Speaking as a loan officer, rest assured as long as your credit score stays above 720 you will be fine. Also before you finance any large purchases consult with your mortgage originator. It's best to be prudent it times like these. Good luck & be positive, you can't worry about things beyond your control.
While I don't have a good answer since each area, each property and each person is unique I can say without a doubt to not go off of sombody telling you that you are fine with 5% down unless it is coming from your lender and the underwriter.
Just an FYI.
FHA is a great option for buyers, but your condo would have to be approved by FHA in order for that to work. Ask the developer if they are going to get the project approved.
Your pre-approval from the end of last year is out of date based on market conditions. It would make sense to talk with your lender and explore other some options, just in case.
There are still some 100% programs such as Home Possible & My Community. FHA offers up to 97% providing the property is not listed in a declining market. With FHA you can use seller concessions combined with non-profit gift programs such as Ameridream & Nehimia for the remaning 3%. Here are links to my blogs on these subjects.
It looks like no documentation or stated income loans could be a thing of the past but that is a different conversation all together. Here is an article talking about the down payment increases. Looks like you're okay today but closing in October/Noveber coul be a different story. Keep talking to your lender and they should take good care of you.