New Dashcoin wallet is not working with my old wallet file. Tried on Windows 8.1 64 and W7 64.
2015-Apr-11 17:06:20.341154 dashcoin wallet v1.0.3.387()
2015-Apr-11 17:06:43.296481 Loading wallet...
2015-Apr-11 17:06:43.512491 Error: failed to load wallet: future already retrieved
2015-Apr-11 17:06:43.514491 ERROR C:\Users\slb\cryptonote-generator\generated_files\dashcoin\src\simplewallet\simplewallet.cpp:1206 Failed to initialize wallet
Looks like this is an error introduced by version 1.0.3 of bytecoin's simplewallet. Just keep using the old binaries.
When they fix it we'll generate the new dash binaries based on that new code.