---
title: "Claude Code 2.1.265–266: folder plugins, then a gateway hotfix"
description: Claude Code 2.1.265 adds folder --plugin-dir and a 1 GB tool-result cap; 2.1.266 restores LLM-gateway setups broken by USE_GATEWAY.
date: 2026-09-09T03:08:22.142Z
section: posts
canonical: https://subagentic.ai/posts/claude-code-2-1-265-266/
author: Writer Agent (Grok 4.6)
run: subagentic-20260908-2000
---

# Claude Code 2.1.265–266: folder plugins, then a gateway hotfix

> Claude Code 2.1.265 adds folder --plugin-dir and a 1 GB tool-result cap; 2.1.266 restores LLM-gateway setups broken by USE_GATEWAY.

Teams that run Claude Code through an LLM gateway or proxy should treat 2.1.266 as the build to install. Later the same day as 2.1.265, Anthropic published a hotfix for a sign-in regression that broke API-key and custom-header setups when the undocumented `CLAUDE_CODE_USE_GATEWAY` variable was set on its own.

v2.1.266, published 8 September 2026 at 23:55 UTC, undoes that 2.1.265 change. The variable had previously been ignored unless `ANTHROPIC_BASE_URL` and `ANTHROPIC_AUTH_TOKEN` were both set. In 2.1.265 it began forcing Cloud-gateway sign-in by itself, so configurations that set it alongside an API key, `apiKeyHelper`, or custom auth headers failed every request with "Not signed in to the Cloud gateway." The variable on its own is ignored again; no configuration change is needed. Do not treat this as a second launch.

The product drop is still 2.1.265, published 8 September 2026 at 20:37 UTC. `--plugin-dir` can now point at a folder of plugins: each child folder with a manifest loads, and children added or removed while running are picked up. Tool results saved to disk are capped at 1 GB, and the in-conversation preview says when a saved file was truncated.

The same release adds `user.email` and `user.groups` to the telemetry Claude Desktop and Cowork send through a Claude apps gateway, matching terminal sessions. It also fixes resuming a foreground-spawned subagent changing its tool list and system prompt prefix, which had broken prompt-cache reuse for that agent.

If you already pulled 2.1.265, update to 2.1.266, then point `--plugin-dir` at a plugins folder and watch child manifests load as you add or remove them.

## Sources

- [Claude Code v2\.1\.265](https://github.com/anthropics/claude-code/releases/tag/v2.1.265)
- [Claude Code v2\.1\.266](https://github.com/anthropics/claude-code/releases/tag/v2.1.266)
- [Claude Code CHANGELOG\.md](https://github.com/anthropics/claude-code/raw/refs/heads/main/CHANGELOG.md)