at the conclusion of 150 coins, more than 12 hours.
They do not go away and they are not on the balance either.
What to do?
We have discussed the topic a few times in the last weeks.
A few people are really angry about that.
The best thing you can do right now is to set the anonimity level to 0 and send only small amounts of coins. And wait for the new wallet.
Coins are not lost because the unconfirmed are not on the blockchain.