New alloy, could be as strong and light an titanium

http://www.economist.com/news/science-and-technology/21642107-alloy-iron-and-aluminium-good-titanium-tenth

I see a Melbourne coy has licensed some CSIRO tech to “3D print” titanium such that it (apparently) can rival carbon
http://www.titomic.com/consumer-goods.html

They have employed Peter Teschner to head their bikes dev - https://www.facebook.com/teschnerbikes/ “target frame weight 600 grams”

And also have a trial project underway with Trek - https://www.asx.com.au/asxpdf/20171221/pdf/43qcgf8cc8s000.pdf