While this is true for most vendors, this is not universally true. Lenovo specifically has an S3 BIOS option for some of their Tiger Lake Thinkpads (since they'

While this is true for most vendors, this is not universally true. Lenovo specifically has an S3 BIOS option for some of their Tiger Lake Thinkpads (since they're Linux certified), although as you mention, it isn't always perfect: https://forums.lenovo.com/topic/view/27/5089860 https://forums.lenovo.com/topic/view/27/5089860 There can be lots of EC/BIOS issues for suspending, IMO it's one of the best arguments for going for a Linux-first vendor (Tuxedo, System 76, Slimbook, etc), as you know that their top priority should be to get basic stuff working on Linux.