The Austrian company Noctua has issued a press release to announce the introduction of the new NT-H2 thermal compound. The award-winning cooler manufacturer claims the second generation of its "enthusiast-grade" paste managed to deliver up to 2 °C lower temperatures in the firm's tests than the predecessor NT-H1. The thermal paste will be available in 3.5 g and 10 g packages.
https://www.notebookcheck.net/Noctua-introduces-second-generation-thermal-compound-NT-H2.401666.0.html
For anyone who is interested, HWCooling.net has recently released a detailed review of NT-H2 :)