Claude Code core

Component

Updates related to the core component of Claude Code.

4 releases2 features2 bug fixesView all Claude Code releases

All CORE Features

Added CLAUDE_CODE_TMPDIR environment variable to allow overriding the default temporary directory used for internal files.(v2.1.5)
Added CLAUDE_CODE_DISABLE_BACKGROUND_TASKS environment variable to allow users to disable all background task functionality, including auto-backgrounding and the Ctrl+B shortcut.(v2.1.4)

All CORE Bug Fixes

Fixed an issue where the "Help improve Claude" setting fetch would fail due to a stale OAuth token; it now correctly refreshes OAuth and retries the fetch.(v2.1.4)
Fixed issue with macOS code-sign warning when using Claude in Chrome integration(v2.0.76)

Releases with CORE Changes

v2.1.51 feature

Jan 12, 2026

This release introduces a new environment variable, CLAUDE_CODE_TMPDIR, which allows users to specify a custom temporary directory for internal processing files. This is particularly useful for environments with specific temporary storage requirements.

v2.1.41 feature1 fix

Jan 11, 2026

This release introduces a new environment variable, CLAUDE_CODE_DISABLE_BACKGROUND_TASKS, giving users granular control to disable background tasks entirely. Additionally, a critical bug affecting the "Help improve Claude" setting fetch due to stale OAuth tokens has been resolved.

v2.1.1

Jan 7, 2026

v2.0.761 fix

Jan 7, 2026

This release addresses a specific technical issue related to code signing on macOS when using the Claude integration within the Chrome browser. Users should no longer encounter the code-sign warning.