/ doc / release-notes / release-notes-0.6.0.md
release-notes-0.6.0.md
  1  Bitcoin version 0.6.0 is now available for download at:
  2  http://sourceforge.net/projects/bitcoin/files/Bitcoin/bitcoin-0.6.0/test/
  3  
  4  This release includes more than 20 language localizations.
  5  More translations are welcome; join the
  6  project at Transifex to help:
  7  https://www.transifex.net/projects/p/bitcoin/
  8  
  9  Please report bugs using the issue tracker at github:
 10  https://github.com/bitcoin/bitcoin/issues
 11  
 12  Project source code is hosted at github; we are no longer
 13  distributing .tar.gz files here, you can get them
 14  directly from github:
 15  https://github.com/bitcoin/bitcoin/tarball/v0.6.0  # .tar.gz
 16  https://github.com/bitcoin/bitcoin/zipball/v0.6.0  # .zip
 17  
 18  For Ubuntu users, there is a ppa maintained by Matt Corallo which
 19  you can add to your system so that it will automatically keep
 20  bitcoin up-to-date.  Just type
 21  sudo apt-add-repository ppa:bitcoin/bitcoin
 22  in your terminal, then install the bitcoin-qt package.
 23  
 24  
 25  KNOWN ISSUES
 26  
 27  Shutting down while synchronizing with the network
 28  (downloading the blockchain) can take more than a minute,
 29  because database writes are queued to speed up download
 30  time.
 31  
 32  
 33  NEW FEATURES SINCE BITCOIN VERSION 0.5
 34  
 35  Initial network synchronization should be much faster
 36  (one or two hours on a typical machine instead of ten or more
 37  hours).
 38  
 39  Backup Wallet menu option.
 40  
 41  Bitcoin-Qt can display and save QR codes for sending
 42  and receiving addresses.
 43  
 44  New context menu on addresses to copy/edit/delete them.
 45  
 46  New Sign Message dialog that allows you to prove that you
 47  own a bitcoin address by creating a digital
 48  signature.
 49  
 50  New wallets created with this version will
 51  use 33-byte 'compressed' public keys instead of
 52  65-byte public keys, resulting in smaller
 53  transactions and less traffic on the bitcoin
 54  network. The shorter keys are already supported
 55  by the network but wallet.dat files containing
 56  short keys are not compatible with earlier
 57  versions of Bitcoin-Qt/bitcoind.
 58  
 59  New command-line argument -blocknotify=<command>
 60  that will spawn a shell process to run <command> 
 61  when a new block is accepted.
 62  
 63  New command-line argument -splash=0 to disable
 64  Bitcoin-Qt's initial splash screen
 65  
 66  validateaddress JSON-RPC api command output includes
 67  two new fields for addresses in the wallet:
 68  pubkey : hexadecimal public key
 69  iscompressed : true if pubkey is a short 33-byte key
 70  
 71  New JSON-RPC api commands for dumping/importing
 72  private keys from the wallet (dumprivkey, importprivkey).
 73  
 74  New JSON-RPC api command for getting information about
 75  blocks (getblock, getblockhash).
 76  
 77  New JSON-RPC api command (getmininginfo) for getting
 78  extra information related to mining. The getinfo
 79  JSON-RPC command no longer includes mining-related
 80  information (generate/genproclimit/hashespersec).
 81  
 82  
 83  
 84  NOTABLE CHANGES
 85  
 86  BIP30 implemented (security fix for an attack involving
 87  duplicate "coinbase transactions").
 88  
 89  The -nolisten, -noupnp and -nodnsseed command-line
 90  options were renamed to -listen, -upnp and -dnsseed,
 91  with a default value of 1. The old names are still
 92  supported for compatibility (so specifying -nolisten
 93  is automatically interpreted as -listen=0; every
 94  boolean argument can now be specified as either
 95  -foo or -nofoo).
 96  
 97  The -noirc command-line options was renamed to
 98  -irc, with a default value of 0. Run -irc=1 to
 99  get the old behavior.
100  
101  Three fill-up-available-memory denial-of-service
102  attacks were fixed.
103  
104  
105  NOT YET IMPLEMENTED FEATURES
106  
107  Support for clicking on bitcoin: URIs and
108  opening/launching Bitcoin-Qt is available only on Linux,
109  and only if you configure your desktop to launch
110  Bitcoin-Qt. All platforms support dragging and dropping
111  bitcoin: URIs onto the Bitcoin-Qt window to start
112  payment.
113  
114  
115  PRELIMINARY SUPPORT FOR MULTISIGNATURE TRANSACTIONS
116  
117  This release has preliminary support for multisignature
118  transactions-- transactions that require authorization
119  from more than one person or device before they
120  will be accepted by the bitcoin network.
121  
122  Prior to this release, multisignature transactions
123  were considered 'non-standard' and were ignored;
124  with this release multisignature transactions are
125  considered standard and will start to be relayed
126  and accepted into blocks.
127  
128  It is expected that future releases of Bitcoin-Qt
129  will support the creation of multisignature transactions,
130  once enough of the network has upgraded so relaying
131  and validating them is robust.
132  
133  For this release, creation and testing of multisignature
134  transactions is limited to the bitcoin test network using
135  the "addmultisigaddress" JSON-RPC api call.
136  
137  Short multisignature address support is included in this
138  release, as specified in BIP 13 and BIP 16.