LG has started rolling out a new update to the G6, and it is more than just a new security patch. The former flagship is due to receive Android 9.0 Pie this quarter, with LG promising earlier this year to deliver the OS upgrade between July and September. The Q3 deadline could slip though if the company faces similar problems to what it did with getting the V30 onto Android 9.0 Pie.
https://www.notebookcheck.net/Still-no-Android-Pie-for-the-LG-G6-despite-LG-pushing-out-a-new-system-update-to-its-former-flagship.428947.0.html