Sweep 19 Sep 2026 · 02:36Z Build v2.1.278 500 read Stable v2.1.267 Latest v2.1.278 Next v2.1.278 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.274 ·

liveTranscript flag for spawned agent prompts is now conditional instead of always true

Subagent prompts now enable live transcript conditionally instead of always

TierUnder the hoodhow much it should matter to you
Useful1my rating, 1 to 5
Signal1worth watching, 1 to 5
AreaSubagentswhat it touches
KindInternal Changesin v2.1.274,
Under the hood

Subagent prompts now enable live transcript conditionally instead of always

What

When a subagent (a separate Claude instance spun up to handle part of a task) is started, the liveTranscript setting passed along is now computed by a function instead of always being turned on. The related parentPromptId lookup was also changed to read from the current message container rather than a different one.

Why

This means live transcript streaming for a subagent's prompt is no longer unconditional; it now depends on the computed condition, though the finding does not specify what that condition checks.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhat condition `ps(r)` checks to decide whether liveTranscript is enabled is not stated.

See this entry in the whole of v2.1.274 →