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 v2.1.277 ·

Version bump to 2.1.277

Claude Code version bumped to 2.1.277

TierUnder the hoodhow much it should matter to you
Useful1my rating, 1 to 5
Signal0worth watching, 1 to 5
AreaElsewherewhat it touches
KindInternal Changesin v2.1.277,
Under the hood

Claude Code version bumped to 2.1.277

What

This release updates the build's version number, build time, and git commit identifier to mark Claude Code 2.1.277.

Why

This is a routine version marker for the release.

Read from
Names in the bundle2.1.277
Since it was published

The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.

Confirmed since Anthropic's documentation has since written up 2.1.277, on Environment variables. | `TASK_MAX_OUTPUT_LENGTH` | Removed in v2.1.277 and now a no-op, together with the `TaskOutput` tool it sized. Previously set the maximum number of characters of a [background task's](/docs/en/tools-reference#background-commands) output t… env-vars see the edit
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up 2.1.277, on Environment variables.

See this entry in the whole of v2.1.277 →