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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.275 ·

REPL progress-message deduplication in the transcript reducer

Claude Code now cleans up stale REPL progress messages instead of letting them pile up in the transcript

Under the hood Internal Changes
JSON All of v2.1.275
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
REPLArea: what it touches
Internal ChangesKind: in v2.1.275,
Internal ChangesSection of the release
What

The internal system that tracks and updates progress messages in the conversation transcript now matches progress updates more precisely for REPL (interactive code execution) tool calls, using the specific tool call ID rather than a looser match. It also automatically discards older completed or errored REPL progress entries once more than a small number have built up recently.

Why

This keeps the transcript from accumulating stale, no-longer-useful REPL progress records, which should make transcripts cleaner and progress updates more accurate when running interactive code.

See this entry in the whole of v2.1.275 →

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