git / moonbite-core / doc/release-notes/release-notes-0.8.6.md · raw

Bitcoin-Qt version 0.8.6 final is now available from:  http://sourceforge.net/projects/bitcoin/files/Bitcoin/bitcoin-0.8.6/This is a maintenance release to fix a critical bug; we urge all users to upgrade.Please report bugs using the issue tracker at github:  https://github.com/bitcoin/bitcoin/issuesHow to Upgrade--------------If you already downloaded 0.8.6rc1 you do not need to re-download. This release is exactly the same.If you are running an older version, shut it down. Waituntil it has completely shut down (which might take a few minutes for olderversions), 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 yourun 0.8.6 your blockchain files will be re-indexed, which will takeanywhere from 30 minutes to several hours, depending on the speed ofyour machine.0.8.6 Release notes===================- Default block size increase for miners.  (see https://gist.github.com/gavinandresen/7670433#086-accept-into-block)- Remove the all-outputs-must-be-greater-than-CENT-to-qualify-as-free rule for relaying  (see https://gist.github.com/gavinandresen/7670433#086-relaying)- Lower maximum size for free transaction creation  (see https://gist.github.com/gavinandresen/7670433#086-wallet)- OSX block chain database corruption fixes  - Update leveldb to 1.13  - Use fcntl with `F_FULLSYNC` instead of fsync on OSX  - Use native Darwin memory barriers  - Replace use of mmap in leveldb for improved reliability (only on OSX)- Fix nodes forwarding transactions with empty vins and getting banned- Network code performance and robustness improvements- Additional debug.log logging for diagnosis of network problems, log timestamps by default- Fix Bitcoin-Qt startup crash when clicking dock icon on OSX - Fix memory leaks in CKey::SetCompactSignature() and Key::SignCompact()- Fix rare GUI crash on send- Various small GUI, documentation and build fixesWarning-------- There have been frequent reports of users running out of virtual memory on 32-bit systems  during the initial sync.  Hence it is recommended to use a 64-bit executable if possible.  A 64-bit executable for Windows is planned for 0.9.Note: Gavin Andresen's GPG signing key for SHA256SUMS.asc has been changed from  key id 1FC730C1 to sub key 7BF6E212 (see https://github.com/bitcoin/bitcoin.org/pull/279).