Which to update first Core or OS?

[CloudFreeFan]

This same question gets asked regularly:

• Update "HA Core" or "HA OS" First? Both show needing updates
• Updating home assistant, which should I update first?
• OS, Supervisor, Core - update order?

Strongly-related questions also get asked, e.g.:

• Supervisor, Home Assistant Core and Operating System Updates
• Updating OS, Supervisor and Home Assistant Core

Suggestion: when HA UI shows that Core and OS updates are both available, it should also recommending which order to update them in - or even better, provide a button the user can press to apply both updates in the best sequence.

This would avoid user stress and duplicate questions.