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Sweep 03 Nov 2026 · 22:27Z Build v2.1.318 536 read Stable v2.1.311 Latest v2.1.318 Next v2.1.318 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.318 ·

Preview tunnel sends raw bytes instead of base64 text

The preview tunnel now sends content as raw bytes instead of base64-encoded text

Under the hood Internal Changes
JSON All of v2.1.318
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Remote ControlArea: what it touches
Internal ChangesKind: in v2.1.318,
Internal ChangesSection of the release
What

The preview tunnel, the connection that carries previews over Remote Control, now sends its content as raw bytes. Before, it encoded the content as base64, a way of turning data into plain text. Claude Code picks between two ways of encoding the bytes when it runs.

Why

Raw bytes take less room than base64 text, so the same preview sends less data.

See this entry in the whole of v2.1.318 →

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