When a background agent (a Claude Code task running separately from your main session) gets stopped or parked mid-task, Claude Code used to notify you about it right away. Now that notification is queued as passive and given next priority, meaning it waits to be shown rather than interrupting you immediately.
Alongside this, the internal loop that lists background agents now skips any agent already marked as done before it counts or parks them, avoiding redundant processing of agents that have already finished.
This makes background-agent notifications less disruptive: instead of an interrupted or parked agent immediately grabbing your attention, you'll see the notice surfaced at a calmer point. It also avoids Claude Code re-processing agents that are already finished, which keeps the agent-listing logic cleaner.