Source-level · reverse-engineered from npm

@anthropic-ai/claude-code

Every release, diffed at the source. Not official Anthropic release notes — reverse-engineered from the published CLI bundle.

457
Versions
5.3k
Features
721
Fixes
24
Avg / month
Release cadence457 releases
2025-02-252026-08-08
v2.1.226latest deep
1 features

Claude Code v2.1.226 is a maintenance release. The only change in this build is the version bump itself, from 2.1.225 to 2.1.226. There are no new features, bug fixes, or behavior…

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v2.1.225 deep
114 features17 fixes24 in-dev

This release centers on Remote Control reliability: the bridge now refuses to mint a new session when reattach is required, retries token re-mints with auth-specific error…

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v2.1.224 deep
254 features39 fixes59 in-dev

This release brings self-hosted runners into the CLI: a new claude self-hosted-runner command group (orchestrator, setup, doctor, code-sign, decode-token) that anyone…

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v2.1.223 deep
141 features30 fixes30 in-dev

Version 2.1.223 replaces the builtin /review command with /code-review, which now takes a target, accepts /review as an alias, remembers the effort level you last typed, and…

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v2.1.222 deep
89 features19 fixes13 in-dev

This release focuses on permission correctness and worktree safety. Permission responses are now matched against the tool they were issued for, mismatched replies are logged and…

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v2.1.221 deep
208 features37 fixes63 in-dev

MCP startup is the biggest change in this release: servers can now come up in a "cached" state or start from a discovery cache and connect lazily, so sessions no longer block on…

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v2.1.220 deep
8 features1 in-dev

Version 2.1.220 adds a new beta header to auto-mode classifier requests. Model selection is now more conservative when entitlements cannot be read: Opus 5 is skipped entirely if…

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v2.1.219 deep
106 features19 fixes41 in-dev

Opus 5 replaces Opus 4.8 as the default Opus model in this release, with fast mode support, effort profiles, region variables, and pricing copy wired through, and the bundled…

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v2.1.218
19 features5 fixes1 in-dev

Version 2.1.218 is a large infrastructure and capability release. The most visible addition is a new whiteboard bundled skill that lets users sketch freehand architecture…

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v2.1.217
21 features10 fixes4 in-dev

This release introduces MCP tool errors that now throw typed exceptions in workflow scripts (a behavioral change to be aware of), a new emoji shortcode typeahead feature with a…

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v2.1.216
14 features7 fixes

Version 2.1.216 introduces the /workshop skill for running interactive decision workshops through published artifacts, adds JWT-aware credential masking for sandbox…

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v2.1.215
7 features2 in-dev

This release introduces a new subagent delegation steering system that lets operators control how aggressively Claude suggests or uses subagents, controlled by the…

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v2.1.214
1 features

This is a small internal patch release. The only functional change is a memory allocator tuning fix applied to bash subprocesses running under sandbox mode. No new user-facing…

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v2.1.213
20 features5 fixes1 in-dev

This release introduces two major new capabilities: native support for Claude Platform on Google Cloud as a first-class provider, and a /import command that migrates…

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v2.1.212
23 features4 fixes2 in-dev

This release introduces a major feedback system where Claude can draft bug reports and feature requests for user review, adds a /fork command to split a conversation into a…

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v2.1.211
13 features4 fixes

This release adds a new RefreshMcpTools built-in tool for re-syncing MCP server tool lists, a --forward-subagent-text CLI flag for streaming subagent output in print mode, and…

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v2.1.210
16 features4 fixes

This is a large architectural release. The memory sync backend has been completely replaced — old personal and team sync is gone, replaced by an org memory discovery system that…

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v2.1.209
6 features1 fixes

This release introduces runtime capabilities for published Artifacts, allowing pages to call the user's claude.ai MCP connectors live from within a published Artifact. It also…

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