The Thunder release is out:
https://github.com/ombre-projects/ombre/releases/tag/1.3

This release contains many changes and bug fixes. Highlights are:

- Hardfork to change to cryptonote heavy
- Increased transaction size
- Proper DNS checkpointing
- Additional wallet key protection
- A new RPC in the ombred which allows synchronisation with the viewkey (will be used in android wallet).

All users should upgrade in the next few days.