Version Check in Essential-Traffic-Only Mode

When running in essential-traffic-only mode (e.g., CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC), the version display now shows a specific message instead of a generic failure: "Version check skipped (essential-traffic-only mode)".

Evidence

Version check message (search for "essential-traffic-only mode")

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

See this entry in the whole of v2.1.101 →

The build it came inv2.1.101

10 Apr 2026 · 32 entries, this one is #23.

Either side of it

v2.1.100Older
v2.1.104Newer

Open the release →

Names in this entry

envCLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC
Set to any non-empty value, such as 1, to disable nonessential network traffic: auto-updates, telemetry, error reporting, the /feedback command, Claude-drafted feedback, release notes, the PR and MR status badge checks, and availability checks such as the fast mode check. It also stops the background runs of plugin command sources, which are local commands rather than network traffic, because they can trigger dependency installs. Setting it to 0 or false still disables this traffic, unlike most on/off variables; unset the variable to allow it again. Also disables feature-flag fetching, which makes Remote Control and the other features that need feature-flag fetching unavailable. Official plugin marketplace auto-install isn't covered; disable it with CLAUDE_CODE_DISABLE_OFFICIAL_MARKETPLACE_AUTOINSTALL. Doesn't affect gateway model discovery, which has its own opt-in

Is this right?

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.