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(note: this is a temporary file, to be added-to by anybody, and deleted at
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release time)
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Building this from
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$ git shortlog --no-merges v0.6.3..
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How to Upgrade
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--------------
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If you are running an older version, shut it down. Wait
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until it has completely shut down (which might take a few minutes for older
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versions), then run the installer (on Windows) or just copy over
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/Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoin-qt (on Linux).
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If you were running on Linux with a version that might have been compiled
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with a different version of Berkeley DB (for example, if you were using an
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Ubuntu PPA version), then run the old version again with the -detachdb
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argument and shut it down; if you do not, then the new version will not
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be able to read the database files and will exit with an error.
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Incompatible Changes
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--------------------
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* Replaced the 'getmemorypool' RPC command with 'getblocktemplate/submitblock'
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and 'getrawmempool' commands.
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* Remove deprecated RPC 'getblocknumber'
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Bitcoin Improvement Proposals implemented
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-----------------------------------------
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BIP 22 - 'getblocktemplate', 'submitblock' RPCs
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BIP 34 - block version 2, height in coinbase
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BIP 35 - 'mempool' message, extended 'getdata' message behavior
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Core bitcoin handling and blockchain database
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---------------------------------------------
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* Reduced CPU usage, by eliminating some redundant hash calculations
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* Cache signature verifications, to eliminate redundant signature checks
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* Transactions with zero-value outputs are considered non-standard
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* Mining: when creating new blocks, sort 'paid' area by fee-per-kb
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* Database: better validation of on-disk stored data
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* Database: minor optimizations and reliability improvements
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* -loadblock=FILE will import an external block file
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* Additional DoS (denial-of-service) prevention measures
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* New blockchain checkpoint at block 193,000
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JSON-RPC API
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------------
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* Internal HTTP server is now thread-per-connection, rather than
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a single-threaded queue that would stall on network I/O.
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* Internal HTTP server supports HTTP/1.1, pipelined requests and
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connection keep-alive.
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* Support JSON-RPC 2.0 batches, to encapsulate multiple JSON-RPC requests
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within a single HTTP request.
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* IPv6 support
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* Added raw transaction API. See https://gist.github.com/2839617
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* Added 'getrawmempool', to list contents of TX memory pool
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* Added 'getpeerinfo', to list data about each connected network peer
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* Added 'listaddressgroupings' for better coin control
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* Rework gettransaction, getblock calls. 'gettransaction' responds for
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non-wallet TXs now.
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* Remove deprecated RPC 'getblocknumber'
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* Remove superceded RPC 'getmemorypool' (see BIP 22, above)
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* listtransactions output now displays "smart" times for transactions,
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and 'blocktime' and 'timereceived' fields were added
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P2P networking
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--------------
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* IPv6 support
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* Tor hidden service support (see doc/Tor.txt)
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* Attempts to fix "stuck blockchain download" problems
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* Replace BDB database "addr.dat" with internally-managed "peers.dat"
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file containing peer address data.
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* Lower default send buffer from 10MB to 1MB
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* proxy: SOCKS5 by default
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* Support connecting by hostnames passed to proxy
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* Add -seednode connections, and use this instead of DNS seeds when proxied
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* Added -externalip and -discover
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* Add -onlynet to connect only to a given network (IPv4, IPv6, or Tor)
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* Separate listening sockets, -bind=<addr>
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Qt GUI
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------
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* Add UI RPC console / debug window
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* Re-Enable URI handling on Windows, add safety checks and tray-notifications
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* Harmonize the use of ellipsis ("...") to be used in menus, but not on buttons
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* Add 2 labels to the overviewpage that display Wallet and Transaction status (obsolete or current)
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* Extend the optionsdialog (e.g. language selection) and re-work it to a tabbed UI
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* Merge sign/verify message into a single window with tabbed UI
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* Ensure a changed bitcoin unit immediately updates all GUI elements that use units
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* Update QR Code dialog
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* Improve error reporting at startup
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* Fine-grained UI updates for a much smoother UI during block downloads
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* Remove autocorrection of 0/i in addresses in UI
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* Reorganize tray icon menu into more logical order
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* Persistently poll for balance change when number of blocks changed
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* Much better translations
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* Override progress bar design on platforms with segmented progress bars to assist with readability
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* Added 'immature balance' display on the overview page
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* (Windows only): enable ASLR and DEP for bitcoin-qt.exe
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* (Windows only): add meta-data to bitcoin-qt.exe (e.g. description)
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Internal codebase
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-----------------
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* Additional unit tests
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* Compile warning fixes
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Miscellaneous
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-------------
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* Reopen debug.log upon SIGHUP
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* Bash programmable completion for bitcoind(1)
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* On supported OS's, each thread is given a useful name
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