1 Bitcoin-Qt version 0.8.6 final is now available from:
3 http://sourceforge.net/projects/bitcoin/files/Bitcoin/bitcoin-0.8.6/
5 This is a maintenance release to fix a critical bug; we urge all users to upgrade.
7 Please report bugs using the issue tracker at github:
9 https://github.com/bitcoin/bitcoin/issues
14 If you already downloaded 0.8.6rc1 you do not need to re-download. This release is exactly the same.
16 If you are running an older version, shut it down. Wait
17 until it has completely shut down (which might take a few minutes for older
18 versions), then run the installer (on Windows) or just copy over
19 /Applications/Bitcoin-Qt (on Mac) or bitcoind/bitcoin-qt (on Linux).
21 If you are upgrading from version 0.7.2 or earlier, the first time you
22 run 0.8.6 your blockchain files will be re-indexed, which will take
23 anywhere from 30 minutes to several hours, depending on the speed of
29 - Default block size increase for miners.
30 (see https://gist.github.com/gavinandresen/7670433#086-accept-into-block)
32 - Remove the all-outputs-must-be-greater-than-CENT-to-qualify-as-free rule for relaying
33 (see https://gist.github.com/gavinandresen/7670433#086-relaying)
35 - Lower maximum size for free transaction creation
36 (see https://gist.github.com/gavinandresen/7670433#086-wallet)
38 - OSX block chain database corruption fixes
39 - Update leveldb to 1.13
40 - Use fcntl with `F_FULLSYNC` instead of fsync on OSX
41 - Use native Darwin memory barriers
42 - Replace use of mmap in leveldb for improved reliability (only on OSX)
44 - Fix nodes forwarding transactions with empty vins and getting banned
46 - Network code performance and robustness improvements
48 - Additional debug.log logging for diagnosis of network problems, log timestamps by default
50 - Fix Bitcoin-Qt startup crash when clicking dock icon on OSX
52 - Fix memory leaks in CKey::SetCompactSignature() and Key::SignCompact()
54 - Fix rare GUI crash on send
56 - Various small GUI, documentation and build fixes
61 - There have been frequent reports of users running out of virtual memory on 32-bit systems
62 during the initial sync.
63 Hence it is recommended to use a 64-bit executable if possible.
64 A 64-bit executable for Windows is planned for 0.9.
66 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).