v1.0.51 Claude Code Release Notes

Jul 11, 2025

Claude's Analysisby Sonnet 4.6

Native Windows support lands (requires Git for Windows), alongside Bedrock auth via env var. /doctor diagnoses broken settings; auto-compact warning raised to 80%.

Changes

Total Changes (vs Average)

0.8×

Version Type

Patch

Release Focus

Mixed

Day Since Prior Release

Release # This Month

#9 of 23

Bug Fix Ratio

11%

Post-Release Edits

—

Change Category

Ecosystem Impact

Key Themes

3Windows Platform Expansion|1Provider Connectivity — Bedrock Returns|4CLI & Settings Usability

May Help If You've Noticed

You've been unable to run Claude Code natively on Windows without a Linux environment or workaround

Added3 changes

•Added support for native Windows (requires Git for Windows)
•Added support for Bedrock API keys through environment variable AWS_BEARER_TOKEN_BEDROCK
•Custom slash commands: Fixed user-level commands in subdirectories

Improved1 change

•Increased auto-compact warning threshold from 60% to 80%

Fixed1 change

•Fixed an issue with handling user directories with spaces for shell snapshots

Other4 changes

•Settings: /doctor can now help you identify and fix invalid setting files
•--append-system-prompt can now be used in interactive mode, not just --print/-p.
•OTEL resource now includes os.type, os.version, host.arch, and wsl.version (if running on Windows Subsystem for Linux)
•Plan mode: Fixed issue where rejected plan from sub-task would get discarded

Other4 changes

•Settings: /doctor can now help you identify and fix invalid setting files

•--append-system-prompt can now be used in interactive mode, not just --print/-p.

•OTEL resource now includes os.type, os.version, host.arch, and wsl.version (if running on Windows Subsystem for Linux)

•Plan mode: Fixed issue where rejected plan from sub-task would get discarded

v1.0.51 Claude Code Release Notes

Changes in Claude Code v1.0.51

Added3 changes

Improved1 change

Fixed1 change

Other4 changes

v1.0.51 Claude Code Release Notes

Changes in Claude Code v1.0.51

Added3 changes

Improved1 change

Fixed1 change

Other4 changes