They will never learn. Upstream or GTFO.
Nobody cares about your corporate forks based on some kernel versions. We've seen it with numerous of other CN SoC. Only with upstreaming RK3xxx support rockchip get a chance to keep pace with "stable" kernel tip.
That is not you've been asked to do. Anthropic is a fucking joke.
Worst harness, worst support of open standards and none of the respect to its paying auditory.