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Date: Sun, 2 Mar 2014 08:54:12 -0500
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From: Gavin Andresen <gavinandresen@gmail.com>
To: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Content-Type: multipart/alternative; boundary=20cf300faba984aa0504f3a0019e
Subject: [Bitcoin-development] 0.9.0 release candidate two
Precedence: list

--20cf300faba984aa0504f3a0019e
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Please download and help test 0.9.0rc2; binaries are available from:
   https://bitcoin.org/bin/0.9.0/test/

If no serious bugs are found in this release candidate, it will be the
final 0.9.0 release.

Release notes (please help proofread/improve these, too):
---------------------------------------------------------------------------

Bitcoin Core version 0.9.0rc2 is now available from:

  https://bitcoin.org/bin/0.9.0/test/

This is a release candidate for a new major version. A major version brings
both new features and bug fixes.

Please report bugs using the issue tracker at github:

  https://github.com/bitcoin/bitcoin/issues

How to Upgrade
--------------

If you are running an older version, shut it down. Wait until it has
completely
shut down (which might take a few minutes for older versions), uninstall al=
l
earlier versions of Bitcoin, then run the installer (on Windows) or just
copy
over /Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoin-qt (on Linux).

If you are upgrading from version 0.7.2 or earlier, the first time you run
0.9.0 your blockchain files will be re-indexed, which will take anywhere
from
30 minutes to several hours, depending on the speed of your machine.

On Windows, do not forget to uninstall all earlier versions of the Bitcoin
client first, especially if you are switching to the 64-bit version.

Windows 64-bit installer
-------------------------

New in 0.9.0 is the Windows 64-bit version of the client. There have been
frequent reports of users running out of virtual memory on 32-bit systems
during the initial sync. Because of this it is recommended to install the
64-bit version if your system supports it.

NOTE: Release candidate 2 windows binaries are not code-signed; use pgp
and the SHA256SUMS.asc file to make sure your binaries are correct.
The final 0.9.0 release Windows setup.exe binaries will be code-signed.

OSX 10.5 / 32-bit no longer supported
-------------------------------------

0.9.0 drops support for older Macs. The minimum requirements are now
a 64-bit-capable CPU running OSX 10.6 or later.

Rebranding to Bitcoin Core
---------------------------

To reduce confusion between Bitcoin-the-network and Bitcoin-the-software we
have renamed the reference client to Bitcoin Core.

Autotools build system
-----------------------

For 0.9.0 we switched to an autotools-based build system instead of
individual
(q)makefiles.

Using the standard "./autogen.sh; ./configure; make" to build Bitcoin-Qt an=
d
bitcoind makes it easier for experienced open source developers to
contribute
to the project.

Be sure to check doc/build-*.md for your platform before building from
source.

Bitcoin-cli
-------------

Another change in the 0.9 release is moving away from the bitcoind
executable
functioning both as a server and as a RPC client. The RPC client
functionality
("tell the running bitcoin daemon to do THIS") was split into a separate
executable, 'bitcoin-cli'. The RPC client code will eventually be removed
from
bitcoind, but will be kept for backwards compatibility for a release or two=
.

`walletpassphrase` RPC
-----------------------

The behavior of the `walletpassphrase` RPC when the wallet is already
unlocked
has changed between 0.8 and 0.9.

The 0.8 behavior of `walletpassphrase` is to fail when the wallet is
already unlocked:

    > walletpassphrase 1000
    walletunlocktime =3D now + 1000
    > walletpassphrase 10
    Error: Wallet is already unlocked (old unlock time stays)

The new behavior of `walletpassphrase` is to set a new unlock time
overriding
the old one:

    > walletpassphrase 1000
    walletunlocktime =3D now + 1000
    > walletpassphrase 10
    walletunlocktime =3D now + 10 (overriding the old unlock time)

Transaction malleability-related fixes
--------------------------------------

This release contains a few fixes for transaction id malleability issues:

- -nospendzeroconfchange command-line option, to avoid spending
  zero-confirmation change
- IsStandard() transaction rules tightened to prevent relaying and mining o=
f
  mutated transactions
- Additional information in listtransactions/gettransaction output to
  report wallet transactions that conflict with each other because
  they spend the same outputs.
- Bug fixes to the getbalance/listaccounts RPC commands, which would report
  incorrect balances for double-spent (or mutated) transactions.
- New option: -zapwallettxes to rebuild the wallet's transaction informatio=
n

Transaction Fees
----------------

This release drops the default fee required to relay transactions across th=
e
network to 0.01mBTC per kilobyte. Note that getting a transaction relayed
across the network does NOT guarantee that the transaction will be
accepted by a miner and included in a block, and the default fee accepted
by miners remains 0.1mBTC per kilobyte.

As in previous releases, the relay fee may be changed with the
-minrelaytxfee
command-line option, and miners may change the default minimum fee they
accept
with the -mintxfee command-line option.

0.9.0rc2 Release notes
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

RPC:

- New notion of 'conflicted' transactions, reported as
  confirmations: -1
- 'listreceivedbyaddress' now provides tx ids
- Add raw transaction hex to 'gettransaction' output
- Updated help and tests for 'getreceivedby(account|address)'
- In 'getblock', accept 2nd 'verbose' parameter, similar to
getrawtransaction,
  but defaulting to 1 for backward compatibility
- Add 'verifychain', to verify chain database at runtime
- Add 'dumpwallet' and 'importwallet' RPCs
- 'keypoolrefill' gains optional size parameter
- Add 'getbestblockhash', to return tip of best chain
- Add 'chainwork' (the total work done by all blocks since the genesis
block)
  to 'getblock' output
- Make RPC password resistant to timing attacks
- Clarify help messages and add examples
- Add 'getrawchangeaddress' call for raw transaction change destinations
- Reject insanely high fees by default in 'sendrawtransaction'
- Add RPC call 'decodescript' to decode a hex-encoded transaction script
- Make 'validateaddress' provide redeemScript
- Add 'getnetworkhashps' to get the calculated network hashrate
- New RPC 'ping' command to request ping, new 'pingtime' and 'pingwait'
fields
  in 'getpeerinfo' output
- Adding new 'addrlocal' field to 'getpeerinfo' output
- Add verbose boolean to 'getrawmempool'
- Add rpc command 'getunconfirmedbalance' to obtain total unconfirmed
balance
- Explicitly ensure that wallet is unlocked in `importprivkey`
- Add check for valid keys in `importprivkey`

Command-line options:

- New option: -nospendzeroconfchange to never spend unconfirmed change
outputs
- New option: -zapwallettxes to rebuild the wallet's transaction informatio=
n
- Rename option '-tor' to '-onion' to better reflect what it does
- Add '-disablewallet' mode to let bitcoind run entirely without wallet
(when
  built with wallet)
- Update default '-rpcsslciphers' to include TLSv1.2
- make '-logtimestamps' default on and rework help-message
- RPC client option: '-rpcwait', to wait for server start
- Remove '-logtodebugger'
- Allow `-noserver` with bitcoind

Block-chain handling and storage:

- Update leveldb to 1.15
- Check for correct genesis (prevent cases where a datadir from the wrong
  network is accidentally loaded)
- Allow txindex to be removed and add a reindex dialog
- Log aborted block database rebuilds
- Store orphan blocks in serialized form, to save memory
- Limit the number of orphan blocks in memory to 750
- Fix non-standard disconnected transactions causing mempool orphans
- Add a new checkpoint at block 279,000

Wallet:

- Bug fixes and new regression tests to correctly compute
  the balance of wallets containing double-spent (or mutated) transactions
- Store key creation time. Calculate whole-wallet birthday.
- Optimize rescan to skip blocks prior to birthday
- Let user select wallet file with -wallet=3Dfoo.dat
- Consider generated coins mature at 101 instead of 120 blocks
- Improve wallet load time
- Don't count txins for priority to encourage sweeping
- Don't create empty transactions when reading a corrupted wallet
- Fix rescan to start from beginning after importprivkey
- Only create signatures with low S values.

Mining:

- Increase default -blockmaxsize/prioritysize to 750K/50K
- 'getblocktemplate' does not require a key to create a block template

Protocol and network:

- Drop the fee required to relay a transaction to 0.01mBTC per kilobyte
- Send tx relay flag with version
- New 'reject' P2P message (BIP 0061, see
https://gist.github.com/gavinandresen/7079034 for draft)
- Dump addresses every 15 minutes instead of 10 seconds
- Relay OP_RETURN data TxOut as standard transaction type
- Remove CENT-output free transaction rule when relaying
- Lower maximum size for free transaction creation
- Send multiple inv messages if mempool.size > MAX_INV_SZ
- Split MIN_PROTO_VERSION into INIT_PROTO_VERSION and MIN_PEER_PROTO_VERSIO=
N
- Do not treat fFromMe transaction differently when broadcasting
- Process received messages one at a time without sleeping between messages
- Improve logging of failed connections
- Bump protocol version to 70002
- Add some additional logging to give extra network insight
- Added new DNS seed from bitcoinstats.com

Validation:

- Log reason for non-standard transaction rejection
- Prune provably-unspendable outputs, and adapt consistency check for it.
- Detect any sufficiently long fork and add a warning
- Call the -alertnotify script when we see a long or invalid fork
- Fix multi-block reorg transaction resurrection
- Reject non-canonically-encoded serialization sizes
- Reject dust amounts during validation
- Accept nLockTime transactions that finalize in the next block

Build system:

- Switch to autotools-based build system
- Build without wallet by passing `--disable-wallet` to configure, this
removes
  the BerkeleyDB dependency
- Upgrade gitian dependencies (libpng, libz, libupnpc, boost, openssl) to
more
  recent versions
- Windows 64-bit build support
- Solaris compatibility fixes
- Check integrity of gitian input source tarballs
- Enable full GCC Stack-smashing protection for all OSes

GUI:

- Switch to Qt 5.2.0 for Windows build
- Add payment request (BIP 0070) support
- Improve options dialog
- Show transaction fee in new send confirmation dialog
- Add total balance in overview page
- Allow user to choose data directory on first start, when data directory i=
s
  missing, or when the -choosedatadir option is passed
- Save and restore window positions
- Add vout index to transaction id in transactions details dialog
- Add network traffic graph in debug window
- Add open URI dialog
- Add Coin Control Features
- Improve receive coins workflow: make the 'Receive' tab into a form to
request
  payments, and move historical address list functionality to File menu.
- Rebrand to `Bitcoin Core`
- Move initialization/shutdown to a thread. This prevents "Not responding"
  messages during startup. Also show a window during shutdown.
- Don't regenerate autostart link on every client startup
- Show and store message of normal bitcoin:URI
- Fix richtext detection hang issue on very old Qt versions
- osx: Make use of the 10.8+ user notification center to display growl like
       notifications
- osx: Added NSHighResolutionCapable flag to Info.plist for better font
       rendering on Retina displays.
- osx: Fix bitcoin-qt startup crash when clicking dock icon
- linux: Fix Gnome bitcoin: URI handler

Miscellaneous:

- Add Linux script (contrib/qos/tc.sh) to limit outgoing bandwidth
- Add '-regtest' mode, similar to testnet but private with instant block
  generation with 'setgenerate' RPC.
- Add 'linearize.py' script to contrib, for creating bootstrap.dat
- Add separate bitcoin-cli client

Credits
--------

Thanks to everyone who contributed to this release:

- Andrey
- Ashley Holman
- b6393ce9-d324-4fe1-996b-acf82dbc3d53
- bitsofproof
- Brandon Dahler
- Calvin Tam
- Christian Decker
- Christopher Latham
- Chuck
- coblee
- constantined
- Cory Fields
- Cozz Lovan
- Daniel Larimer
- David Hill
- Dmitry Smirnov
- Drak
- Eric Lombrozo
- fanquake
- fcicq
- Florin
- frewil
- Gavin Andresen
- Gregory Maxwell
- gubatron
- Guillermo C=E9spedes Tab=E1rez
- Haakon Nilsen
- HaltingState
- Han Lin Yap
- harry
- Ian Kelling
- Jeff Garzik
- Johnathan Corgan
- Jonas Schnelli
- Josh Lehan
- Josh Triplett
- Julian Langschaedel
- Kangmo
- Lake Denman
- Luke Dashjr
- Mark Friedenbach
- Matt Corallo
- Michael Bauer
- Michael Ford
- Michagogo
- Midnight Magic
- Mike Hearn
- Nils Schneider
- Noel Tiernan
- Olivier Langlois
- patrick s
- Patrick Strateman
- Peter Todd
- phantomcircuit
- phelixbtc
- Philip Kaufmann
- Pieter Wuille
- Rav3nPL
- regergregregerrge
- Robert Backhaus
- Roman Mindalev
- Rune K. Svendsen
- Ryan Niebur
- Scott Ellis
- Scott Willeke
- Sergey Kazenyuk
- Shawn Wilkinson
- Sined
- sje
- Subo1978
- super3
- Tamas Blummer
- theuni
- Thomas Holenstein
- Timon Rapp
- Timothy Stranex
- Vaclav Vobornik
- vhf / victor felder
- Vinnie Falco
- Warren Togami
- Wil Bown
- Wladimir J. van der Laan

--20cf300faba984aa0504f3a0019e
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<div dir=3D"ltr"><div><span style=3D"color:rgb(85,85,85);font-family:sans-s=
erif;font-size:13px;line-height:18px">Please download and help test 0.9.0rc=
2; binaries are available from:</span></div><span style=3D"color:rgb(85,85,=
85);font-family:sans-serif;font-size:13px;line-height:18px"><div>
<span style=3D"font-size:13px">&nbsp; &nbsp;<a href=3D"https://bitcoin.org/=
bin/0.9.0/test/">https://bitcoin.org/bin/0.9.0/test/</a></span><br></div></=
span><div><font color=3D"#555555" face=3D"sans-serif"><span style=3D"line-h=
eight:18px"><br>
</span></font></div><div><font color=3D"#555555" face=3D"sans-serif"><span =
style=3D"line-height:18px">If no serious bugs are found in this release can=
didate, it will be the final 0.9.0 release.</span></font></div><div><font c=
olor=3D"#555555" face=3D"sans-serif"><span style=3D"line-height:18px"><br>
</span></font></div><div>Release notes (please help proofread/improve these=
, too):</div><div>---------------------------------------------------------=
------------------</div><div><br></div><div><div>Bitcoin Core version 0.9.0=
rc2 is now available from:</div>
<div><br></div><div>&nbsp; <a href=3D"https://bitcoin.org/bin/0.9.0/test/">=
https://bitcoin.org/bin/0.9.0/test/</a></div><div><br></div><div>This is a =
release candidate for a new major version. A major version brings</div><div=
>both new features and bug fixes.</div>
<div><br></div><div>Please report bugs using the issue tracker at github:</=
div><div><br></div><div>&nbsp; <a href=3D"https://github.com/bitcoin/bitcoi=
n/issues">https://github.com/bitcoin/bitcoin/issues</a></div><div><br></div=
><div>
How to Upgrade</div><div>--------------</div><div><br></div><div>If you are=
 running an older version, shut it down. Wait until it has completely</div>=
<div>shut down (which might take a few minutes for older versions), uninsta=
ll all</div>
<div>earlier versions of Bitcoin, then run the installer (on Windows) or ju=
st copy</div><div>over /Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoi=
n-qt (on Linux).</div><div><br></div><div>If you are upgrading from version=
 0.7.2 or earlier, the first time you run</div>
<div>0.9.0 your blockchain files will be re-indexed, which will take anywhe=
re from</div><div>30 minutes to several hours, depending on the speed of yo=
ur machine.</div><div><br></div><div>On Windows, do not forget to uninstall=
 all earlier versions of the Bitcoin</div>
<div>client first, especially if you are switching to the 64-bit version.</=
div><div><br></div><div>Windows 64-bit installer</div><div>----------------=
---------</div><div><br></div><div>New in 0.9.0 is the Windows 64-bit versi=
on of the client. There have been</div>
<div>frequent reports of users running out of virtual memory on 32-bit syst=
ems</div><div>during the initial sync. Because of this it is recommended to=
 install the</div><div>64-bit version if your system supports it.</div>
<div><br></div><div>NOTE: Release candidate 2 windows binaries are not code=
-signed; use pgp</div><div>and the SHA256SUMS.asc file to make sure your bi=
naries are correct.</div><div>The final 0.9.0 release Windows setup.exe bin=
aries will be code-signed.</div>
<div><br></div><div>OSX 10.5 / 32-bit no longer supported</div><div>-------=
------------------------------</div><div><br></div><div>0.9.0 drops support=
 for older Macs. The minimum requirements are now</div><div>a 64-bit-capabl=
e CPU running OSX 10.6 or later.</div>
<div><br></div><div>Rebranding to Bitcoin Core</div><div>------------------=
---------</div><div><br></div><div>To reduce confusion between Bitcoin-the-=
network and Bitcoin-the-software we</div><div>have renamed the reference cl=
ient to Bitcoin Core.</div>
<div><br></div><div>Autotools build system</div><div>----------------------=
-</div><div><br></div><div>For 0.9.0 we switched to an autotools-based buil=
d system instead of individual</div><div>(q)makefiles.</div><div><br></div>
<div>Using the standard &ldquo;./autogen.sh; ./configure; make&rdquo; to bu=
ild Bitcoin-Qt and</div><div>bitcoind makes it easier for experienced open =
source developers to contribute</div><div>to the project.</div><div><br></d=
iv><div>
Be sure to check doc/build-*.md for your platform before building from sour=
ce.</div><div><br></div><div>Bitcoin-cli</div><div>-------------</div><div>=
<br></div><div>Another change in the 0.9 release is moving away from the bi=
tcoind executable</div>
<div>functioning both as a server and as a RPC client. The RPC client funct=
ionality</div><div>(&ldquo;tell the running bitcoin daemon to do THIS&rdquo=
;) was split into a separate</div><div>executable, &#39;bitcoin-cli&#39;. T=
he RPC client code will eventually be removed from</div>
<div>bitcoind, but will be kept for backwards compatibility for a release o=
r two.</div><div><br></div><div>`walletpassphrase` RPC</div><div>----------=
-------------</div><div><br></div><div>The behavior of the `walletpassphras=
e` RPC when the wallet is already unlocked</div>
<div>has changed between 0.8 and 0.9.</div><div><br></div><div>The 0.8 beha=
vior of `walletpassphrase` is to fail when the wallet is already unlocked:<=
/div><div><br></div><div>&nbsp; &nbsp; &gt; walletpassphrase 1000</div><div=
>&nbsp; &nbsp; walletunlocktime =3D now + 1000</div>
<div>&nbsp; &nbsp; &gt; walletpassphrase 10</div><div>&nbsp; &nbsp; Error: =
Wallet is already unlocked (old unlock time stays)</div><div><br></div><div=
>The new behavior of `walletpassphrase` is to set a new unlock time overrid=
ing</div><div>the old one:</div>
<div><br></div><div>&nbsp; &nbsp; &gt; walletpassphrase 1000</div><div>&nbs=
p; &nbsp; walletunlocktime =3D now + 1000</div><div>&nbsp; &nbsp; &gt; wall=
etpassphrase 10</div><div>&nbsp; &nbsp; walletunlocktime =3D now + 10 (over=
riding the old unlock time)</div><div><br>
</div><div>Transaction malleability-related fixes</div><div>---------------=
-----------------------</div><div><br></div><div>This release contains a fe=
w fixes for transaction id malleability issues:</div><div><br></div><div>
- -nospendzeroconfchange command-line option, to avoid spending</div><div>&=
nbsp; zero-confirmation change</div><div>- IsStandard() transaction rules t=
ightened to prevent relaying and mining of</div><div>&nbsp; mutated transac=
tions</div>
<div>- Additional information in listtransactions/gettransaction output to<=
/div><div>&nbsp; report wallet transactions that conflict with each other b=
ecause</div><div>&nbsp; they spend the same outputs.</div><div>- Bug fixes =
to the getbalance/listaccounts RPC commands, which would report</div>
<div>&nbsp; incorrect balances for double-spent (or mutated) transactions.<=
/div><div>- New option: -zapwallettxes to rebuild the wallet&#39;s transact=
ion information</div><div><br></div><div>Transaction Fees</div><div>-------=
---------</div>
<div><br></div><div>This release drops the default fee required to relay tr=
ansactions across the</div><div>network to 0.01mBTC per kilobyte. Note that=
 getting a transaction relayed</div><div>across the network does NOT guaran=
tee that the transaction will be</div>
<div>accepted by a miner and included in a block, and the default fee accep=
ted</div><div>by miners remains 0.1mBTC per kilobyte.</div><div><br></div><=
div>As in previous releases, the relay fee may be changed with the -minrela=
ytxfee</div>
<div>command-line option, and miners may change the default minimum fee the=
y accept</div><div>with the -mintxfee command-line option.</div><div><br></=
div><div>0.9.0rc2 Release notes</div><div>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div>
<div><br></div><div>RPC:</div><div><br></div><div>- New notion of &#39;conf=
licted&#39; transactions, reported as</div><div>&nbsp; confirmations: -1</d=
iv><div>- &#39;listreceivedbyaddress&#39; now provides tx ids</div><div>- A=
dd raw transaction hex to &#39;gettransaction&#39; output</div>
<div>- Updated help and tests for &#39;getreceivedby(account|address)&#39;<=
/div><div>- In &#39;getblock&#39;, accept 2nd &#39;verbose&#39; parameter, =
similar to getrawtransaction,</div><div>&nbsp; but defaulting to 1 for back=
ward compatibility</div>
<div>- Add &#39;verifychain&#39;, to verify chain database at runtime</div>=
<div>- Add &#39;dumpwallet&#39; and &#39;importwallet&#39; RPCs</div><div>-=
 &#39;keypoolrefill&#39; gains optional size parameter</div><div>- Add &#39=
;getbestblockhash&#39;, to return tip of best chain</div>
<div>- Add &#39;chainwork&#39; (the total work done by all blocks since the=
 genesis block)</div><div>&nbsp; to &#39;getblock&#39; output</div><div>- M=
ake RPC password resistant to timing attacks</div><div>- Clarify help messa=
ges and add examples</div>
<div>- Add &#39;getrawchangeaddress&#39; call for raw transaction change de=
stinations</div><div>- Reject insanely high fees by default in &#39;sendraw=
transaction&#39;</div><div>- Add RPC call &#39;decodescript&#39; to decode =
a hex-encoded transaction script</div>
<div>- Make &#39;validateaddress&#39; provide redeemScript</div><div>- Add =
&#39;getnetworkhashps&#39; to get the calculated network hashrate</div><div=
>- New RPC &#39;ping&#39; command to request ping, new &#39;pingtime&#39; a=
nd &#39;pingwait&#39; fields</div>
<div>&nbsp; in &#39;getpeerinfo&#39; output</div><div>- Adding new &#39;add=
rlocal&#39; field to &#39;getpeerinfo&#39; output</div><div>- Add verbose b=
oolean to &#39;getrawmempool&#39;</div><div>- Add rpc command &#39;getuncon=
firmedbalance&#39; to obtain total unconfirmed balance</div>
<div>- Explicitly ensure that wallet is unlocked in `importprivkey`</div><d=
iv>- Add check for valid keys in `importprivkey`</div><div><br></div><div>C=
ommand-line options:</div><div><br></div><div>- New option: -nospendzerocon=
fchange to never spend unconfirmed change outputs</div>
<div>- New option: -zapwallettxes to rebuild the wallet&#39;s transaction i=
nformation</div><div>- Rename option &#39;-tor&#39; to &#39;-onion&#39; to =
better reflect what it does</div><div>- Add &#39;-disablewallet&#39; mode t=
o let bitcoind run entirely without wallet (when</div>
<div>&nbsp; built with wallet)</div><div>- Update default &#39;-rpcsslciphe=
rs&#39; to include TLSv1.2</div><div>- make &#39;-logtimestamps&#39; defaul=
t on and rework help-message</div><div>- RPC client option: &#39;-rpcwait&#=
39;, to wait for server start</div>
<div>- Remove &#39;-logtodebugger&#39;</div><div>- Allow `-noserver` with b=
itcoind</div><div><br></div><div>Block-chain handling and storage:</div><di=
v><br></div><div>- Update leveldb to 1.15</div><div>- Check for correct gen=
esis (prevent cases where a datadir from the wrong</div>
<div>&nbsp; network is accidentally loaded)</div><div>- Allow txindex to be=
 removed and add a reindex dialog</div><div>- Log aborted block database re=
builds</div><div>- Store orphan blocks in serialized form, to save memory</=
div>
<div>- Limit the number of orphan blocks in memory to 750</div><div>- Fix n=
on-standard disconnected transactions causing mempool orphans</div><div>- A=
dd a new checkpoint at block 279,000</div><div><br></div><div>Wallet:</div>
<div><br></div><div>- Bug fixes and new regression tests to correctly compu=
te</div><div>&nbsp; the balance of wallets containing double-spent (or muta=
ted) transactions</div><div>- Store key creation time. Calculate whole-wall=
et birthday.</div>
<div>- Optimize rescan to skip blocks prior to birthday</div><div>- Let use=
r select wallet file with -wallet=3Dfoo.dat</div><div>- Consider generated =
coins mature at 101 instead of 120 blocks</div><div>- Improve wallet load t=
ime</div>
<div>- Don&#39;t count txins for priority to encourage sweeping</div><div>-=
 Don&#39;t create empty transactions when reading a corrupted wallet</div><=
div>- Fix rescan to start from beginning after importprivkey</div><div>
- Only create signatures with low S values.</div><div><br></div><div>Mining=
:</div><div><br></div><div>- Increase default -blockmaxsize/prioritysize to=
 750K/50K</div><div>- &#39;getblocktemplate&#39; does not require a key to =
create a block template</div>
<div><br></div><div>Protocol and network:</div><div><br></div><div>- Drop t=
he fee required to relay a transaction to 0.01mBTC per kilobyte</div><div>-=
 Send tx relay flag with version</div><div>- New &#39;reject&#39; P2P messa=
ge (BIP 0061, see <a href=3D"https://gist.github.com/gavinandresen/7079034"=
>https://gist.github.com/gavinandresen/7079034</a> for draft)</div>
<div>- Dump addresses every 15 minutes instead of 10 seconds</div><div>- Re=
lay OP_RETURN data TxOut as standard transaction type</div><div>- Remove CE=
NT-output free transaction rule when relaying</div><div>- Lower maximum siz=
e for free transaction creation</div>
<div>- Send multiple inv messages if mempool.size &gt; MAX_INV_SZ</div><div=
>- Split MIN_PROTO_VERSION into INIT_PROTO_VERSION and MIN_PEER_PROTO_VERSI=
ON</div><div>- Do not treat fFromMe transaction differently when broadcasti=
ng</div>
<div>- Process received messages one at a time without sleeping between mes=
sages</div><div>- Improve logging of failed connections</div><div>- Bump pr=
otocol version to 70002</div><div>- Add some additional logging to give ext=
ra network insight</div>
<div>- Added new DNS seed from <a href=3D"http://bitcoinstats.com">bitcoins=
tats.com</a></div><div><br></div><div>Validation:</div><div><br></div><div>=
- Log reason for non-standard transaction rejection</div><div>- Prune prova=
bly-unspendable outputs, and adapt consistency check for it.</div>
<div>- Detect any sufficiently long fork and add a warning</div><div>- Call=
 the -alertnotify script when we see a long or invalid fork</div><div>- Fix=
 multi-block reorg transaction resurrection</div><div>- Reject non-canonica=
lly-encoded serialization sizes</div>
<div>- Reject dust amounts during validation</div><div>- Accept nLockTime t=
ransactions that finalize in the next block</div><div><br></div><div>Build =
system:</div><div><br></div><div>- Switch to autotools-based build system</=
div>
<div>- Build without wallet by passing `--disable-wallet` to configure, thi=
s removes</div><div>&nbsp; the BerkeleyDB dependency</div><div>- Upgrade gi=
tian dependencies (libpng, libz, libupnpc, boost, openssl) to more</div><di=
v>
&nbsp; recent versions</div><div>- Windows 64-bit build support</div><div>-=
 Solaris compatibility fixes</div><div>- Check integrity of gitian input so=
urce tarballs</div><div>- Enable full GCC Stack-smashing protection for all=
 OSes</div>
<div><br></div><div>GUI:</div><div><br></div><div>- Switch to Qt 5.2.0 for =
Windows build</div><div>- Add payment request (BIP 0070) support</div><div>=
- Improve options dialog</div><div>- Show transaction fee in new send confi=
rmation dialog</div>
<div>- Add total balance in overview page</div><div>- Allow user to choose =
data directory on first start, when data directory is</div><div>&nbsp; miss=
ing, or when the -choosedatadir option is passed</div><div>- Save and resto=
re window positions</div>
<div>- Add vout index to transaction id in transactions details dialog</div=
><div>- Add network traffic graph in debug window</div><div>- Add open URI =
dialog</div><div>- Add Coin Control Features</div><div>- Improve receive co=
ins workflow: make the &#39;Receive&#39; tab into a form to request</div>
<div>&nbsp; payments, and move historical address list functionality to Fil=
e menu.</div><div>- Rebrand to `Bitcoin Core`</div><div>- Move initializati=
on/shutdown to a thread. This prevents &ldquo;Not responding&rdquo;</div><d=
iv>&nbsp; messages during startup. Also show a window during shutdown.</div=
>
<div>- Don&#39;t regenerate autostart link on every client startup</div><di=
v>- Show and store message of normal bitcoin:URI</div><div>- Fix richtext d=
etection hang issue on very old Qt versions</div><div>- osx: Make use of th=
e 10.8+ user notification center to display growl like</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp;notifications</div><div>- osx: Added NSHigh=
ResolutionCapable flag to Info.plist for better font</div><div>&nbsp; &nbsp=
; &nbsp; &nbsp;rendering on Retina displays.</div><div>- osx: Fix bitcoin-q=
t startup crash when clicking dock icon</div>
<div>- linux: Fix Gnome bitcoin: URI handler</div><div><br></div><div>Misce=
llaneous:</div><div><br></div><div>- Add Linux script (contrib/qos/tc.sh) t=
o limit outgoing bandwidth</div><div>- Add &#39;-regtest&#39; mode, similar=
 to testnet but private with instant block</div>
<div>&nbsp; generation with &#39;setgenerate&#39; RPC.</div><div>- Add &#39=
;linearize.py&#39; script to contrib, for creating bootstrap.dat</div><div>=
- Add separate bitcoin-cli client</div><div><br></div><div>Credits</div><di=
v>
--------</div><div><br></div><div>Thanks to everyone who contributed to thi=
s release:</div><div><br></div><div>- Andrey</div><div>- Ashley Holman</div=
><div>- b6393ce9-d324-4fe1-996b-acf82dbc3d53</div><div>- bitsofproof</div>
<div>- Brandon Dahler</div><div>- Calvin Tam</div><div>- Christian Decker</=
div><div>- Christopher Latham</div><div>- Chuck</div><div>- coblee</div><di=
v>- constantined</div><div>- Cory Fields</div><div>- Cozz Lovan</div><div>
- Daniel Larimer</div><div>- David Hill</div><div>- Dmitry Smirnov</div><di=
v>- Drak</div><div>- Eric Lombrozo</div><div>- fanquake</div><div>- fcicq</=
div><div>- Florin</div><div>- frewil</div><div>- Gavin Andresen</div><div>
- Gregory Maxwell</div><div>- gubatron</div><div>- Guillermo C=E9spedes Tab=
=E1rez</div><div>- Haakon Nilsen</div><div>- HaltingState</div><div>- Han L=
in Yap</div><div>- harry</div><div>- Ian Kelling</div><div>- Jeff Garzik</d=
iv>
<div>- Johnathan Corgan</div><div>- Jonas Schnelli</div><div>- Josh Lehan</=
div><div>- Josh Triplett</div><div>- Julian Langschaedel</div><div>- Kangmo=
</div><div>- Lake Denman</div><div>- Luke Dashjr</div><div>- Mark Friedenba=
ch</div>
<div>- Matt Corallo</div><div>- Michael Bauer</div><div>- Michael Ford</div=
><div>- Michagogo</div><div>- Midnight Magic</div><div>- Mike Hearn</div><d=
iv>- Nils Schneider</div><div>- Noel Tiernan</div><div>- Olivier Langlois</=
div>
<div>- patrick s</div><div>- Patrick Strateman</div><div>- Peter Todd</div>=
<div>- phantomcircuit</div><div>- phelixbtc</div><div>- Philip Kaufmann</di=
v><div>- Pieter Wuille</div><div>- Rav3nPL</div><div>- regergregregerrge</d=
iv>
<div>- Robert Backhaus</div><div>- Roman Mindalev</div><div>- Rune K. Svend=
sen</div><div>- Ryan Niebur</div><div>- Scott Ellis</div><div>- Scott Wille=
ke</div><div>- Sergey Kazenyuk</div><div>- Shawn Wilkinson</div><div>- Sine=
d</div>
<div>- sje</div><div>- Subo1978</div><div>- super3</div><div>- Tamas Blumme=
r</div><div>- theuni</div><div>- Thomas Holenstein</div><div>- Timon Rapp</=
div><div>- Timothy Stranex</div><div>- Vaclav Vobornik</div><div>- vhf / vi=
ctor felder</div>
<div>- Vinnie Falco</div><div>- Warren Togami</div><div>- Wil Bown</div><di=
v>- Wladimir J. van der Laan</div></div><div><br></div></div>

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