Well the problem with waiting is it creates uncertainty and dumping. If you give an ETA and that time comes with no news or release, then dumping will always ensue..as is happening right now. So they shouldn't say this weekend if they know there is a good chance it wont be released this weekend. And if there is a reason for a delay, I agree they should update so holders don't keep dumping.
Somebody from Dev. have to say regarding the delay of updated wallet.
The reason and/or new schedule.

??
give them time, better a delay and all bugs fixed then a rushed release

it shoud be about providing a better crypto, not a better price (this should come naturally)
Five minute is enough for posting the status of updated wallet.
They already promised, within this weekend, and the time is over.