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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.265 ·

Adaptive websocket keepalive interval for Artifact live connections, config-gated and off by default

Artifact live-connection keepalive pings can now stretch out during idle periods

TierNothing to try yethow much it should matter to you
Useful2my rating, 1 to 5
Signal3worth watching, 1 to 5
AreaArtifactswhat it touches
KindIn Developmentin v2.1.265,
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Artifact live-connection keepalive pings can now stretch out during idle periods

What

A new module can, when configured via a settings/remote-config key, stretch the ping interval used to keep Artifact websocket connections alive (both the presence-tracking socket and the live-subscribe socket) up to a longer 'idle keepalive' interval once a connection has been idle for a while, instead of always pinging at the normal fixed interval.

Why

Sending fewer keepalive pings during idle periods can reduce unnecessary network chatter for Artifact connections that aren't actively being used.

How sure we are
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this buildNew in this build: tengu_slate_lantern_hush

See this entry in the whole of v2.1.265 →

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