https://github.com/ethereum/go-ethereum/releases/tag/v0.8.4Improved networking (P2P version 2)
Improved Mist UI
New Browser
DApp listing
https://github.com/ethereum/cpp-ethereum/releases/tag/poc-8-tagVast numbers of updates to Mix, Solidity, AlethZero, ethereum.js. Various minor protocol changes.
Comments
https://github.com/ethereum/go-ethereum/releases/tag/v0.8.5