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Sweep 27 Oct 2026 · 19:04Z Build v2.1.312 531 read Stable v2.1.308 Latest v2.1.312 Next v2.1.312 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.311 ·

Prepend layer ordering now includes user content

An ordering table for prepended content now lists user content first, ahead of append, built-in and core layers

Under the hood Internal Changes
JSON All of v2.1.311
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
AgentsArea: what it touches
Internal ChangesKind: in v2.1.311,
Internal ChangesSection of the release

Unclear What these layers are, and so what this changes for a reader, is not known.

What

An ordering table used when content is prepended now lists the layers as user, append, built-in and core. Before, user content was not in that list.

Why

It changes how prepended customisation is combined with your own content.

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 these layers are, and so what this changes for a reader, is not known.

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