bitcoin/doc/release-notes.md

(note: this is a temporary file, to be added-to by anybody, and deleted at release time)

0.8.6 changes

• 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 fixes

Warning

• 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.