On the kernel side we'll hopefully see at least Linux 5.16 make it if not Linux 5.17 for delivering the latest hardware support and other low-level improvements.
Maybe this is also the reason why Canonical already played it rather conservatively with 21.10 + Linux 5.13...
Either way, hopefully Greg-KH can be convinced somehow to declare Linux 5.16 as LTS-next come ~mid-January.
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