Windows Live Mail M6 has just shipped, with changes including:
- Firefox support. Doesn't include Spell checker, resizable splitters between message list and reading pane. Does include drag and drop and signatures.
- Policy Changes
- Performance
- Signatures
- Don't auto select first message
- Change colors on the fly
- Subscribe to contact updates
- Contact display name choice
- Compose from anywhere
- More Classic Hotmail improvements
News source: Liveside
Link: Discussion Thread