# Concise output style, LLM gateway prompt caching fix

> Adds a built-in Concise output style that leads with results and skips preamble and narration while doing the work as thoroughly. Fixes prompt caching for sessions routed through an LLM gateway or custom base URL.

| | |
|---|---|
| **Tool** | Claude Code |
| **Version** | 2.1.237 |
| **Kind** | release |
| **Published** | 2026-08-19 |
| **Observed** | 2026-08-21 |
| **Significance** | 3/5 |
| **Breaking** | no |
| **Categories** | feature, fix |

## What changed


- Added built-in "Concise" output style (selectable under /config → Output style): Claude leads with results and skips preamble/narration
- Fixed prompt caching for sessions using an LLM gateway or custom base URL


## Sources

- [changelog_md](https://github.com/anthropics/claude-code/blob/main/CHANGELOG.md) — retrieved 2026-08-21


## Community

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Canonical: https://changelogs.info/claude-code/2-1-237
Entity: https://changelogs.info/claude-code
Event ID: `evt_2026-08-19_claude-code_2-1-237`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.