# DeepSeek Harness changelog

> DeepSeek Harness: Everything is a Plugin.

- Vendor: DeepSeek
- Category: Developer Tools
- Official site: https://deepseek.com/harness
- Tracked by: What's New (https://whatsnew.fyi/product/deepseek-harness)
- Harvested from: GitHub (deepseek-ai/deepseek-harness)
- Entries below: 1 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## Releases

### dsh-v0.1.0-rc.7 — v0.1.0-rc.7

- Date: 2026-08-17
- Version: dsh-v0.1.0-rc.7
- Original notes: https://github.com/deepseek-ai/deepseek-harness/releases/tag/dsh-v0.1.0-rc.7
- Permalink: https://whatsnew.fyi/product/deepseek-harness/releases/dsh-v0.1.0-rc.7
- Labels: Pre-release

- **added** — Enable plugins to register their own settings cards
- **added** — Manage Codex and Claude Code subagent tasks through the Job Panel
- **added** — Add durable image attachments to MCP and ACP, with nested image forwarding in PTC Mode
- **added** — Add `low` reasoning effort for DeepSeek models; `high` remains the default
- **added** — Add collapsible question cards with draft preservation
- **fixed** — Fix persistent Bash latency in minimal mode
- **fixed** — Fix stack overflows in large-history pagination
- **fixed** — Preserve sessions after max-token truncation
- **fixed** — Fix Safari composer cursor misalignment
- **changed** — Upgrade to node-pty 1.2 beta for broader PTY compatibility
- **changed** — Refine the Cordis dynamic plugin panel
- **changed** — Rename the English `Code mode` preset to `PTC mode`

[中文](#cn) | [English](#en)

<h3 id="cn">新增功能</h3>

* 各插件可自行注册设置卡片
* Codex 与 Claude Code 子代理任务接入 Job Panel
* MCP/ACP 支持持久化图片附件，PTC Mode 可转发嵌套图片

###### 问题修复

* 修复极简模式下持久 Bash 调用卡顿
* 修复大历史消息分页栈溢出
* 修复 max-tokens 截断导致会话无法继续
* 修复 Safari 输入框光标与文本错位
* 升级 node-pty 1.2 beta，改善 PTY 平台兼容性

###### 体验优化

* 优化 Cordis 动态插件面板
* DeepSeek 模型新增 `low` 推理强度，默认仍为 `high`
* 英文内置预设 `Code mode` 更名为 `PTC mode`
* 提问卡片支持折叠并保留草稿

---

<h3 id="en">New Features</h3>

* Enable plugins to register their own settings cards by @LegGasai
* Manage Codex and Claude Code subagent tasks through the Job Panel by @pku-xht
* Add durable image attachments to MCP and ACP, with nested image forwarding in PTC Mode by @tianyicui

###### Bug Fixes

* Fix persistent Bash latency in minimal mode by @LegGasai
* Fix stack overflows in large-history pagination by @Kingwl
* Preserve sessions after max-token truncation by @LegGasai
* Fix Safari composer cursor misalignment by @lsdsjy
* Upgrade to node-pty 1.2 beta for broader PTY compatibility by @kermanx

###### Improvements

* Refine the Cordis dynamic plugin panel by @Yifffan
* Add `low` reasoning effort for DeepSeek models; `high` remains the default by @LegGasai
* Rename the English `Code mode` preset to `PTC mode` by @koalazf99
* Add collapsible question cards with draft preservation by @GeeeekExplorer

---

Full Changelog: https://github.com/deepseek-ai/deepseek-harness/compare/fb82698709c39f1860b0ab0ed147e1fa30c1d5d0...99f6f02fecdb7dff40c3fbc9470f5907c29f74ca