Source Intelligence

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.191 Home All releases olderv2.1.190 v2.1.193newer
Claude Code v2.1.191

  • Atomic write error handling improved: if the temp-file close fails after a write error, the original write error is preserved and re-thrown with the close failure attached as context, rather than losing the original error. (search for "atomic write failed first:")
  • Config file read no longer reports "resetting to defaults" when the file is corrupted — it now auto-repairs from cache or reports backup location accurately. (search for "Config file corrupted:")
  • Cloud session registration no longer silently swallows HTTP 503 errors; 503 is now treated as a retryable server error rather than a client error, matching the intended error-handling strategy. (search for "registerWorker failed")
  • Memory byte-cap stripping now correctly accounts for byte sizes when deciding which media to remove, and reports removed byte counts to telemetry (tengu_media_byte_cap_stripped). Previously only item counts were tracked, which could leave the cap under-enforced for large images.
  • /design-login credential rejection now includes a more specific message for HTTP 403 responses: "token may be missing a scope this server needs — run /design-login", distinguishing scope issues from full re-auth requirements. (search for "token may be missing a scope this server needs")

See this entry in the whole of v2.1.191 →