- Official Post
No ETA. The amount of remaining work to switch GXBB/GXL hardware up to mainline with an HDMI 1.4 featureset is small, but also dependent upon a limited number of developers who have a huge paid-job workload, so pro-bono work progress is frustratingly slow. There is still no clear mainline path for GXL devices for various currently insurmountable technical reasons (drivers, etc.)