(Update: Unboxing Video) A few weeks ago LG already offered a preview to the next generation of its Gram laptop series. It continues to weigh around 1 kg (~2.2 lb) but offers more battery life, a more robust case, quad-core CPUs, and Thunderbolt 3 in the year 2018. The new version is shown in first images and hands-on videos directly from CES 2018.
https://www.notebookcheck.net/LG-Gram-2018-Hands-On-Video-Superlight-Longer-Battery-Life.277400.0.html