Bitcoin Forum

bitcoind version 0.4.3 is now available for download at:
  http://luke.dashjr.org/programs/bitcoin/files/bitcoind-0.4.3/ (http://luke.dashjr.org/programs/bitcoin/files/bitcoind-0.4.3/) (until Gavin uploads to SourceForge)

This is a bugfix-only release based on 0.4.0.

Please note that the wxBitcoin GUI client is no longer maintained nor supported. If someone would like to step up to maintain this, they should contact Luke-Jr.

Please report bugs for the daemon only using the issue tracker at github:
  https://github.com/bitcoin/bitcoin/issues (https://github.com/bitcoin/bitcoin/issues)

Stable source code is hosted at Gitorious:
  http://gitorious.org/bitcoin/bitcoind-stable/archive-tarball/v0.4.3#.tar.gz (http://gitorious.org/bitcoin/bitcoind-stable/archive-tarball/v0.4.3#.tar.gz)

BUG FIXES

• Cease locking memory used by non-sensitive information (this caused a huge performance hit on some platforms, especially noticable during initial blockchain download).
• Fixed some address-handling deadlocks (client freezes).
• No longer accept inbound connections over the internet when Bitcoin is being used with Tor (identity leak).
• Use the correct base transaction fee of 0.0005 BTC for accepting transactions into mined blocks (since 0.4.0, it was incorrectly accepting 0.0001 BTC which was only meant to be relayed).
• Add new DNS seeds (maintained by Pieter Wuille and Luke Dashjr).

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Thanks to everybody who contributed code or helped test this release:

Luke Dashjr
Matt Corallo
Gavin Andresen
Pieter Wuille

Two questions...
1) Was there a 0.4.2 did I miss something ?

2) Are there changes which break the GUI Client for 0.4.3 ?

There was, but it was git-only: no binaries were built.

Unknown. Nobody is testing, nor seems to care. Probably not.