What does this release signal mean?

Anthropic published anthropics/anthropic-cli v1.21.0 (anthropics/anthropic-cli). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: v1.21.0 Repository: anthropics/anthropic-cli Tag: v1.21.0 Published: 2026-07-24T16:43:17Z Prerelease: no Release notes: 1.21.0 (2026-07-24) Full Changelog:.... onlylabs links this event to 1 captured evidence page and 6 related release signals.

Anthropic Release: anthropics/anthropic-cli v1.21.0

Captured source

source ↗

GitHub/github.com/anthropics/anthropic-cli

anthropics/anthropic-cli v1.21.0

Source ↗

published Jul 24, 2026seen 1dcaptured 1dhttp 200method plain

v1.21.0

Repository: anthropics/anthropic-cli

Tag: v1.21.0

Published: 2026-07-24T16:43:17Z

Prerelease: no

Release notes:

1.21.0 (2026-07-24)

Full Changelog: v1.20.0...v1.21.0

Features

api: add claude-opus-5 model (3e67b3d)
api: add tool addition/removal blocks and tool_change events (3e67b3d)
api: expand client-side fallback credit token types and add server-side fallbacks default option (3e67b3d)

Bug Fixes

client: honor ANTHROPIC_BASE_URL in API requests (#43) (0dcaa4f)

Chores

bump dependency (8358acd)
ci: cap macOS notarize timeout at 40m; add notary-status debug workflow (#42) (3aa7a80)