# Aider v0.72.0: DeepSeek R1 support

> Aider adds DeepSeek R1 support via an `--model r1` shortcut and through OpenRouter. Also adds Kotlin to the repo map, a `--line-endings` option for file writing, and assorted fixes.

| | |
|---|---|
| **Tool** | Aider |
| **Version** | v0.72.0 |
| **Kind** | release |
| **Published** | 2025-01-20 |
| **Observed** | 2026-08-11 |
| **Significance** | 3/5 |
| **Breaking** | no |
| **Categories** | model-support, feature, fix |

## What changed


- DeepSeek R1 support: shortcut `--model r1`, or `--model openrouter/deepseek/deepseek-r1`
- Kotlin syntax support in the repo map
- New `--line-endings` option for file writing
- `examples_as_sys_msg=True` for GPT-4o models, improving benchmark scores
- All dependencies bumped to pick up litellm support for o1 system messages
- Read-only file announcements added
- Fixes: turn taking when reflecting lint/test errors, Docker image permissions, ASCII fallback for unicode errors, integer indices for list slicing in repo-map calculations


## Sources

- [github_release](https://github.com/Aider-AI/aider/releases/tag/v0.72.0) — retrieved 2026-08-11

## Community

_No curated reactions recorded. Facts and community takes are kept in separate layers
and never blended._

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Canonical: https://changelogs.info/aider/v0-72-0
Entity: https://changelogs.info/aider
Event ID: `evt_2025-01-20_aider_v0-72-0`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.