Anaconda Navigator 2.4.1 fix resolves tab‑close leak but bulk‑update memory growth remains unexplained
Goal: Identify whether the residual memory increase seen during bulk package updates in Anaconda Navigator ≥2.4.1 originates from the same QtWebEngine view‑widget retention that was fixed for environment‑tab closure, or from a different resource‑leak pathway. Constraints: The original leak was caused by missing deleteLater calls on web views when tabs were d