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docs: update Claude Code releases tracking (v2.1.38 → v2.1.41)

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- Add v2.1.39: recursive launch guard, Agent Teams 3P model fix, OTel speed
- Add v2.1.41: claude auth CLI, Windows ARM64, /rename auto-name
- Fix markdown missing v2.1.38 entry (security: heredoc, sandbox skills)
- Add heredoc command smuggling to security breaking summary

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Florian BRUNIAUX 2026-02-13 11:06:07 +01:00
parent d72905e9ba
commit d94f6bf62e
2 changed files with 62 additions and 5 deletions
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42
guide/claude-code-releases.md
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@ -4,7 +4,7 @@
> **Full details**: [github.com/anthropics/claude-code/CHANGELOG.md](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md)
> **Machine-readable**: [claude-code-releases.yaml](../machine-readable/claude-code-releases.yaml)
**Latest**: v2.1.37 | **Updated**: 2026-02-08
**Latest**: v2.1.41 | **Updated**: 2026-02-13
---
@ -19,6 +19,43 @@
## 2.1.x Series (January-February 2026)
### v2.1.41 (2026-02-13)
- **New**: `claude auth login`, `claude auth status`, `claude auth logout` CLI subcommands
- **New**: Windows ARM64 (win32-arm64) native binary support
- **Improved**: `/rename` auto-generates session name from conversation context when called without arguments
- Improved narrow terminal layout for prompt footer
- Fixed: File resolution for @-mentions with anchor fragments (e.g., `@README.md#installation`)
- Fixed: FileReadTool blocking on FIFOs, `/dev/stdin`, and large files
- Fixed: Background task notifications not delivered in streaming Agent SDK mode
- Fixed: Auto-compact failure error notifications shown to users
- Fixed: Stale permission rules not clearing when settings change on disk
- Fixed: Permission wait time included in subagent elapsed time display
- Fixed: Proactive ticks firing while in plan mode
### v2.1.39 (2026-02-11)
- **New**: Guard against launching Claude Code inside another Claude Code session
- Added `speed` attribute to OTel events and trace spans for fast mode visibility
- Fixed: Agent Teams using wrong model identifier for Bedrock, Vertex, and Foundry customers
- Fixed: Crash when MCP tools return image content during streaming
- Fixed: `/resume` session previews showing raw XML tags instead of readable command names
- Fixed: Opus 4.6 launch announcement showing for Bedrock/Vertex/Foundry users
- Fixed: Hook blocking errors (exit code 2) not showing stderr to the user
- Fixed: Structured-outputs beta header sent unconditionally on Vertex/Bedrock
- Improved: Model error messages for Bedrock/Vertex/Foundry with fallback suggestions
- Improved: Terminal rendering performance
- Multiple stability fixes (fatal errors, process hanging, character loss at screen boundary)
### v2.1.38 (2026-02-10)
- Fixed: VS Code terminal scroll-to-top regression introduced in 2.1.37
- Fixed: Tab key queueing slash commands instead of autocompleting
- Fixed: Bash permission matching for commands using environment variable wrappers
- Fixed: Text between tool uses disappearing when not using streaming
- **Security**: Improved heredoc delimiter parsing to prevent command smuggling
- **Security**: Blocked writes to `.claude/skills` directory in sandbox mode
### v2.1.37 (2026-02-08)
- Fixed `/fast` not immediately available after enabling `/extra-usage`
@ -438,6 +475,7 @@
| v2.1.2 | Command injection in bash command processing |
| v2.1.6 | Shell line continuation permission bypass |
| v2.1.7 | Wildcard permission rules compound commands |
| v2.1.38 | Heredoc delimiter command smuggling prevention |
### Syntax
@ -476,4 +514,4 @@
---
*Last updated: 2026-02-06 | [Back to main guide](./ultimate-guide.md)*
*Last updated: 2026-02-13 | [Back to main guide](./ultimate-guide.md)*

25
machine-readable/claude-code-releases.yaml
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@ -3,8 +3,8 @@
# Purpose: Track Claude Code product releases for documentation sync
# Maintained: Manual updates when new releases are announced
latest: "2.1.38"
updated: "2026-02-10"
latest: "2.1.41"
updated: "2026-02-13"
# ════════════════════════════════════════════════════════════════
# RELEASES (newest first, condensed highlights only)
@ -15,12 +15,30 @@ releases:
# 2.1.x Series (January-February 2026)
# ─────────────────────────────────────────────────────────────
- version: "2.1.41"
date: "2026-02-13"
highlights:
- "`claude auth login/status/logout` CLI subcommands"
- "Windows ARM64 (win32-arm64) native binary support"
- "`/rename` auto-generates session name from conversation context"
- "Multiple stability fixes (FileReadTool FIFOs, background tasks, stale permissions)"
breaking: []
- version: "2.1.39"
date: "2026-02-11"
highlights:
- "Guard against launching Claude Code inside another Claude Code session"
- "Fixed Agent Teams wrong model for Bedrock/Vertex/Foundry"
- "`speed` attribute in OTel events for fast mode visibility"
- "Multiple stability fixes (rendering, session close, fatal errors)"
breaking: []
- version: "2.1.38"
date: "2026-02-10"
highlights:
- "Fixed VS Code terminal scroll-to-top regression"
- "Fixed Tab key queueing slash commands instead of autocompleting"
- "Fixed bash permission matching for commands with env var wrappers"
- "Security: Heredoc delimiter parsing to prevent command smuggling"
- "Security: Blocked writes to `.claude/skills` in sandbox mode"
breaking: []
@ -535,6 +553,7 @@ breaking_summary:
- "Wildcard permission rules compound commands fix (v2.1.7)"
- "Shell line continuation permission bypass fix (v2.1.6)"
- "Sandbox-excluded commands bypass with autoAllowBashIfSandboxed (v2.1.34)"
- "Heredoc delimiter command smuggling prevention (v2.1.38)"
installation:
- "npm installations deprecated - use native installer (v2.1.15)"
behavior: