Claude Code v2.1.325
Claude Code v2.1.325 fixes a security issue in how zstd-compressed responses are decoded and adds a spinner tip in VS Code about re-running a notebook cell.
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Claude Code changelog
33 versions of Claude Code from Anthropic in The Deploy Log. From to . On the median a new version every day, publisher's dates only; the longest wait was 6 days. The newest is v2.1.325. 13 versions in the last 30 days. 7 rows with no publisher's date. Each links the publisher's own page.
| Version | Publisher's date | Days after the one before |
|---|---|---|
| v2.1.325 | No date | |
| v2.1.323 | 2 | |
| v2.1.322 | 1 | |
| v2.1.321 | 3 | |
| v2.1.319 | 2 | |
| v2.1.318 | 1 | |
| v2.1.317 | 3 | |
| v2.1.316 | 1 | |
| v2.1.314 | 4 | |
| v2.1.311 | 3 | |
| v2.1.310 | 1 | |
| v2.1.309 | 1 | |
| v2.1.307 | 1 | |
| v2.1.305 | 5 | |
| v2.1.302 | No date | |
| v2.1.301 | 1 | |
| v2.1.300 | 0 | |
| v2.1.299 | 6 | |
| v2.1.296 | No date | |
| v2.1.295 | 0 | |
| v2.1.294 | 1 | |
| v2.1.293 | 1 | |
| v2.1.292 | 1 | |
| v2.1.290 | 2 | |
| v2.1.289 | 3 | |
| v2.1.288 | No date | |
| v2.1.287 | No date | |
| v2.1.286 | 1 | |
| v2.1.285 | 1 | |
| v2.1.284 | 5 | |
| v2.1.281 | ||
| v2.1.277 | No date | |
| v2.1.261 | No date |
Claude Code v2.1.323
Claude Code v2.1.323 adds Code Mode, an experimental opt-in in which Claude writes JavaScript to call its tools.
Claude Code v2.1.322
Fast mode added on Vertex in global, us, and eu regions, falling back to standard speed if Vertex refuses it.
Claude Code v2.1.321
Claude Fable 5.2 is now the default model with 1M context and $8/$40 per Mtok pricing.
Claude Code v2.1.319
Claude Code v2.1.319 changes auto mode behavior with telemetry or feature flags off, adds MCP task backgrounding, and adds a /claude-api latency-optimize command.
Claude Code v2.1.318
Claude Code v2.1.318 adds assume_role on mantle upstreams, an effort option for mod model forks, and login expiry dates.
Claude Code v2.1.317
Added onFailure block for Agent SDK hooks, OTel metrics fields, and a gateway admin cost report.
Claude Code v2.1.316
Claude Code v2.1.316 added pooled group budgets to the Claude apps gateway, CLAUDE_CODE_SUBAGENT_EFFORT, and guardrail.input_tagging for Bedrock upstreams. It deprecated fast mode for Opus 4.8 as of , with removal on November 30, 2026.
Claude Code v2.1.314
Claude Code v2.1.314 adds permissions.blockWritesOutsideWorkingDirectories, gateway upstream groups, Bedrock guardrail_trace, and idle compaction for 200K+ token conversations.
Claude Code v2.1.311
Claude Code v2.1.311 adds --hold-idle-file and --max-hold-min to self-hosted-runner and fixes long freezes and context errors.
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Claude Code v2.1.310
Added Monitor tool and plugin monitors on Bedrock, Vertex, and Foundry, plus fixes for gateways, cleanup, and compaction.
Claude Code v2.1.309
Claude Code v2.1.309 fixes sandboxed Bash commands, macOS sandbox glob patterns, MCP config modification, and Bash permission checks.
Claude Code v2.1.307
Claude Code v2.1.307 adds /claude-api api-version, a safety_event OpenTelemetry event, and fixes for model aliases, beta headers, and MCP authentication.
Claude Code v2.1.305
Claude Code v2.1.305 adds sandbox.allowNestedUserNamespaces and CLAUDE_CODE_RETRY_WATCHDOG_USAGE_LIMIT_RECHECK_MS, and fixes provider request failures.
Claude Code v2.1.302
Claude Code v2.1.302 adds CLAUDE_CODE_AUTO_MODE_MODEL to choose the client-side auto mode classifier model and fixes image files over 128 MB being loaded entirely into memory.
Claude Code v2.1.301
Claude Code v2.1.301 adds retry watchdog usage limit wait, OpenTelemetry tracing guidance, vim % motion, and multi-line input.
Claude Code v2.1.300
Claude Code v2.1.300 adds virtualText prompt decorations, cache write metrics, advisor on AWS, and mod UI features.
Claude Code v2.1.299
Added CLAUDE_CODE_DISABLE_FILE_MENTIONS, idle compaction for 200K+ token conversations, and CLAUDE_CODE_IDLE_COMPACT_MIN_TOKENS.
Claude Code v2.1.296
Claude Code v2.1.296 added a code key to the Claude apps gateway managed policies, an autoCompactWindow option for subagents, a CLAUDE_CODE_WORKFLOW_SUBAGENT_MODEL environment variable, and updated Sonnet 5.5 cache reads to $0.10 per million tokens from $0.20.
Claude Code v2.1.295
Added onFailure block for hooks, Program Status Protocol support, and quoted text in /copy picker.
Claude Code v2.1.294
Claude Code v2.1.294 fixes prompt and agent hooks written as instructions and improves Stop/SubagentStop hook judgment.
Claude Code v2.1.293
Claude Code v2.1.293 adds Claude Haiku 5.5, now the default Haiku model, with 1M context and $0.10/$0.50 per Mtok.
Claude Code v2.1.292
Claude Code v2.1.292 adds marketplace install, Agent effort parameter, overloaded retry delay, and prompt.autocomplete.
Claude Code v2.1.290
Claude Code v2.1.290 adds serverToolUses, agentId, ceiling, and ThemeKey/Color types to plugin hooks.
Claude Code v2.1.289
Fixes for deny rules, terminal freezing, symlink Read rules, and sign-out frequency.
Claude Code v2.1.288
Claude Code v2.1.288 added $.ui.selection() for mods, a built-in gh api to cloud sessions, recovery for a prompt cleared with Ctrl+C, and --max-findings <n>|all to /code-review.
Claude Code v2.1.287
Claude Code v2.1.287 added Claude Mods, a built-in mod called You should know, an n:<text> filter to the agents view, and prompt_text to the OpenTelemetry user_prompt event.
Claude Code v2.1.286
Claude Code v2.1.286 adds a count to stacked permission prompts and mouse support for "N more" rows in fullscreen lists.
Claude Code v2.1.285
Claude Code v2.1.285 adds CLAUDE_CODE_DISABLE_WEB_FETCH, claude --desktop, and plugin configure options.
Claude Code v2.1.284
Claude Sonnet 5.5 is now the default Sonnet model on the Anthropic API with 1M context, $2/$10 per Mtok, $0.20/Mtok cache reads.
claude-code v2.1.281
Claude Code v2.1.281 adds gateway support for desktop policy blocks, Bedrock IAM role assumption, and Bedrock guardrails.
Claude Code v2.1.277
Claude Code v2.1.277 added AGENTS.md support, a CLAUDE_GATEWAY_PROXY_IS_EGRESS_BOUNDARY flag, and fixed sessions hanging with no result after internal errors, now reporting the error and exiting with code 1.
Claude Code v2.1.261
Claude Code v2.1.261 adds bashOutputMaxChars and taskOutputMaxChars settings up to 128K characters, a /skill-doctor command to show unused skills, and fixes for Remote Control sessions and Bedrock setup.
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