Adobe released the update 4.3 for Lightroom 4 (click here).
The Adobe Photoshop Lightroom 4.3 update includes these enhancements:
- HiDPI support within the Library and Develop Modules. HiDPI provides support for Retina-enabled Macs.
- Additional raw file support for 20 cameras including the Canon EOS 6D
- Corrections and bug fixes for issues introduced in previous versions of Lightroom.