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Bitcoin Core version 0.9.2 is now available from:

https://bitcoin.org/bin/0.9.2/

This is a new minor version release, bringing mostly bug fixes and some minor improvements. OpenSSL has been updated because of a security issue (CVE-2014-0224). Upgrading to this release is recommended.

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), 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 0.9.2 your blockchain files will be re-indexed, which will take anywhere from 30 minutes to several hours, depending on the speed of your machine.

Downgrading warnings

The 'chainstate' for this release is not always compatible with previous releases, so if you run 0.9.x and then decide to switch back to a 0.8.x release you might get a blockchain validation error when starting the old release (due to 'pruned outputs' being omitted from the index of unspent transaction outputs).

Running the old release with the -reindex option will rebuild the chainstate data structures and correct the problem.

Also, the first time you run a 0.8.x release on a 0.9 wallet it will rescan the blockchain for missing spent coins, which will take a long time (tens of minutes on a typical machine).

Important changes

Gitian OSX build

The deterministic build system that was already used for Windows and Linux builds is now used for OSX as well. Although the resulting executables have been tested quite a bit, there could be possible regressions. Be sure to report these on the Github bug tracker mentioned above.

Compatibility of Linux build

For Linux we now build against Qt 4.6, and filter the symbols for libstdc++ and glibc. This brings back compatibility with

Debian 6+ / Tails
Ubuntu 10.04
CentOS 6.5

0.9.2 Release notes

The OpenSSL dependency in the gitian builds has been upgraded to 1.0.1h because of CVE-2014-0224.

RPC:

Add getwalletinfo, getblockchaininfo and getnetworkinfo calls (will replace hodge-podge getinfo at some point)
Add a relayfee field to getnetworkinfo
Fix RPC related shutdown hangs and leaks
Always show syncnode in getpeerinfo
sendrawtransaction: report the reject code and reason, and make it possible to re-send transactions that are already in the mempool
getmininginfo show right genproclimit

Command-line options:

Fix -printblocktree output
Show error message if ReadConfigFile fails

Block-chain handling and storage:

Fix for GetBlockValue() after block 13,440,000 (BIP42)
Upgrade leveldb to 1.17

Protocol and network code:

Per-peer block download tracking and stalled download detection
Add new DNS seed from bitnodes.io
Prevent socket leak in ThreadSocketHandler and correct some proxy related socket leaks
Use pnode->nLastRecv as sync score (was the wrong way around)

Wallet:

Make GetAvailableCredit run GetHash() only once per transaction (performance improvement)
Lower paytxfee warning threshold from 0.25 BTC to 0.01 BTC
Fix importwallet nTimeFirstKey (trigger necessary rescans)
Log BerkeleyDB version at startup
CWallet init fix

Build system:

Add OSX build descriptors to gitian
Fix explicit --disable-qt-dbus
Don't require db_cxx.h when compiling with wallet disabled and GUI enabled
Improve missing boost error reporting
Upgrade miniupnpc version to 1.9
gitian-linux: --enable-glibc-back-compat for binary compatibility with old distributions
gitian: don't export any symbols from executable
gitian: build against Qt 4.6
devtools: add script to check symbols from Linux gitian executables
Remove build-time no-IPv6 setting

GUI:

Fix various coin control visual issues
Show number of in/out connections in debug console
Show weeks as well as years behind for long timespans behind
Enable and disable the Show and Remove buttons for requested payments history based on whether any entry is selected.
Show also value for options overridden on command line in options dialog
Fill in label from address book also for URIs
Fixes feel when resizing the last column on tables (issue #2862)
Fix ESC in disablewallet mode
Add expert section to wallet tab in optionsdialog
Do proper boost::path conversion (fixes unicode in datadir)
Only override -datadir if different from the default (fixes -datadir in config file)
Show rescan progress at start-up
Show importwallet progress
Get required locks upfront in polling functions (avoids hanging on locks)
Catch Windows shutdown events while client is running
Optionally add third party links to transaction context menu
Check for !pixmap() before trying to export QR code (avoids crashes when no QR code could be generated)
Fix "Start bitcoin on system login"

Miscellaneous:

Replace non-threadsafe C functions (gmtime, strerror and setlocale)
Add missing cs_main and wallet locks
Avoid exception at startup when system locale not recognized
Changed bitrpc.py's raw_input to getpass for passwords to conceal characters during command line input
devtools: add a script to fetch and postprocess translations

Credits

Thanks to everyone who contributed to this release:

Addy Yeow
Altoidnerd
Andrea D'Amore
Andreas Schildbach
Bardi Harborow
Brandon Dahler
Bryan Bishop
Chris Beams
Christian von Roques
Cory Fields
Cozz Lovan
daniel
Daniel Newton
David A. Harding
ditto-b
duanemoody
Eric S. Bullington
Fabian Raetz
Gavin Andresen
Gregory Maxwell
gubatron
Haakon Nilsen
harry
Hector Jusforgues
Isidoro Ghezzi
Jeff Garzik
Johnathan Corgan
jtimon
Kamil Domanski
langerhans
Luke Dashjr
Manuel Araoz
Mark Friedenbach
Matt Corallo
Matthew Bogosian
Meeh
Michael Ford
Michagogo
Mikael Wikman
Mike Hearn
olalonde
paveljanik
peryaudo
Philip Kaufmann
philsong
Pieter Wuille
R E Broadley
richierichrawr
Rune K. Svendsen
rxl
shshshsh
Simon de la Rouviere
Stuart Cardall
super3
Telepatheic
Thomas Zander
Torstein Husebø
Warren Togami
Wladimir J. van der Laan
Yoichi Hirai

6.3 KiB Raw Blame History