# Release 1.5.7 (18-12-2012) == Core * The blockchain headers file is no longer included in the packages, it is downloaded on startup. * New command line option: -P or --portable, for portable wallets. With this flag, all preferences are saved to the wallet file, and the blockchain headers file is in the same directory as the wallet == Lite GUI * (Feature) Added the ability to export your transactions to a CSV file. * (Feature) Added a label dialog after sending a transaction. * (Feature) Reworked receiving addresses; instead of a random selection from one of your receiving addresses a new widget will show listing unused addresses. * (Chore) Removed server selection. With all the new server options a simple menu item does not suffice anymore.