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 v2.1.275 ·

File-tracking gains explicit written/removed lists, including content-hash pins for artifacts

Artifact and design-system save operations now report which files were written or removed, with artifacts also tracked by content hash

TierYou'll noticehow much it should matter to you
Useful2my rating, 1 to 5
Signal1worth watching, 1 to 5
AreaElsewherewhat it touches
KindImprovementsin v2.1.275,
Group of 2 You'll notice

Artifact and design-system save operations now report which files were written or removed, with artifacts also tracked by content hash

What

  • Artifact publish, read, and list results now feed a new tracking system that records each file's path, sha256 content hash, and version as a "pin," tagged with where it came from (publish, list, or read). These pins are stored in a pathPins map that persists across conversation restore.
  • Design-system save operations gained a matching files_written (path + sha256) and files_removed (path) schema block in their response.

Why This lets Claude Code know exactly which files a publish or save actually touched, including their content hashes, instead of only knowing that "a save happened," making it possible to detect stale or unchanged files reliably.

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 the gating condition controls, and when files_written/files_removed appear versus not, isn't stated.

See this entry in the whole of v2.1.275 →