These are bugfix-only releases, plus protocol support for BIP 16.
Please report bugs by replying to this forum thread. Note that the 0.4.x wxBitcoin GUI client is no longer maintained nor supported. If someone would like to step up to maintain this, they should contact Luke-Jr.
PROTOCOL UPDATES
- BIP 16: Special-case "pay to script hash" logic to enable minimal validation of new transactions.
BUG FIXES
- Build with thread-safe MingW libraries for Windows, fixing a dangerous memory corruption scenario when exceptions are thrown. (0.5.4 only)
- Fix broken testnet mining.
- Yet another attempt at implementing "minimize to tray" that works on all operating systems. (0.5.4 only)
- Fix default filename suffixes in GNOME save dialog. (0.5.4 only)
- Make the "Send coins" tab use the configured unit type, even on the first attempt. (0.5.4 only)
- Print detailed wallet loading errors to debug.log when it is corrupt.
- Allocate exactly the amount of space needed for signing transactions, instead of a fixed 10k buffer.
- Workaround for improbable memory access violation.
Thanks to everybody who contributed code or helped test this release:
Luke Dashjr
Gavin Andresen
Wladimir J. van der Laan
Pieter Wuille
Matt Corallo
Joel Kaartinen