It's actually fantastic for job interviews. Use that trick with my clients when asked to review candidates.
Is there seriously no solution to this? Perhaps something we fan do post training? For example add the new features to SKILLS.md? But the trade-off here is of course tokens.
My working methodology has been , LLM output is a jumping point and to use my experience, knowledge and basic understanding to N+1 it.
So for bleeding edge stuff it works out well or in places where documentation is not great like Apache Flink.