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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.19 23 Jan 2026

Settings Sync for Remote Sessions

What

Pro users on remote sessions can now sync their Claude Code settings (CLAUDE.md, settings.json) from the cloud.

Details

Syncs user settings (~/.claude/settings.json), user memory (~/.claude/CLAUDE.md), project settings, and project memory
Automatically downloads settings at session start when using remote mode
Includes size limit protection (512KB max per file) to prevent syncing oversized configurations
Settings are fetched from /api/claude_code/user_settings endpoint

Evidence

yMK() at line 533174 (settings sync download, contains "Settings sync: Download starting")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.19 →