Across many Grasshopper components, a missing input is raised as an error, and failed outputs come back as '' or None instead of empty. Downstream components cannot tell 'no data' from a real value.
From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.