小莫
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* feat(server): 外部皮肤接受跨平台客户端的 base 与装饰规则，社区皮肤可在 Windows 加载 社区皮肤库按跨平台客户端（msime 的 client-core）的规则校验，base 写的是全局主题 system / shuishan / light / paper / night / ink，而 Windows 只认六个内置皮肤 ID，所以社区里绝大多数皮肤在 Windows 上整包加载失败。 - base 为 system 时按 fluent 加载，配色原样保留。 - base 为五个内置全局主题时按 fluent 加载，并照 theme::resolve 换算配色：主题固定明暗，只取包里那一种明暗的配色，深浅两种模式都画它；读不懂的颜色当作没写，没写的按主题补齐，右键菜单和悬浮工具栏一并补上。包没声明那一种明暗时不生效，与客户端一致。 - 装饰规则与客户端对齐：空表或两个尺寸都为 0 表示无装饰；有尺寸而无 image 时用图片类型的 preview，都没有就不画。 - 复制 msime-cloud 的 client_dialect.json 作测试夹具，新测试要求客户端接受的每个包在 Windows 上都能加载；scripts/sync-client-dialect.py 负责同步，每周的 Skin client dialect 工作流比对上游。 * feat(server): 皮肤清单与跨平台客户端统一为同一套规则 同一个皮肤包现在在每个平台上要么都能加载，要么都被拒绝。规则以 msime client-core 的 load() 为准，共享用例表 client_dialect.json 改为从 msime 同步，测试要求每一条用例的接受与否都与客户端一致。 - 保留 ID 加上全局主题 ID（system、shuishan、light、paper、night、ink、custom）。 - 收紧到客户端的规则：skin.toml 最大 64 KiB；schema_version 必须是整数 1；author、description 写了不能为空；preview 写了必须指向包内已有的文件；toolbar_stylesheet 写了必须是包根目录里已有的 .css 文件；[license] 的各键有长度限制；[candidate] 与其中的 dark、light 必须是表；装饰图与背景图须是图片扩展名。 - 仓库自带的 7 个皮肤、示例皮肤和 msime-skins 里的 4 个皮肤在新规则下都能加载。
Metasequoia IME for Windows
中文 README · Website · Docs · Privacy · Code signing policy
A free and open-source Chinese and Japanese input method for Windows 10 and 11, built on TSF with no legacy IMM32 path.
This repository is the whole Windows product: the TSF text service DLL, the resident server, the conversion engine, a self-written native GUI framework, the HTML surfaces and the installer. The engine was imported from MSIME-Engine and specialized for Windows; it now lives in engine/ as a first-party component, so a plain clone builds the product. See engine/UPSTREAM.md.
This is a public beta. Expect rough edges and read the release notes before upgrading.
Install
Download the installer from Releases or the download page, run it, then switch with Win + Space.
Current builds are not code signed. SmartScreen will block them and uiAccess is unavailable, which means the candidate window cannot float above elevated applications. Verify the download with the SHA256 published on the download page.
You need the Microsoft Visual C++ 2015–2022 Redistributable (x64). The server and settings app are 64-bit; the x86 redistributable is a separate package and does not substitute for it. If you cannot switch to the IME, the server keeps exiting, or the settings window closes immediately, install that first.
What it does
- Chinese input: full pinyin, double pinyin (Xiaohe / Ziranma / Shoudao / Microsoft / Sogou / Ziguang / Zhineng ABC / Guobiao / Pinyin Jiajia), Wubi 86
- Japanese input: romaji, with hiragana, katakana and dictionary candidates; also available as a temporary mode from Chinese
- Helpcode (形码) filtering on pinyin schemes: six tables, single- and double-code
- Optional cloud candidates, and AI suggestions via DeepSeek / OpenAI / SiliconFlow / Groq
- English-Chinese glosses in the vertical candidate window
- Mixed Chinese-English input, emoji and kaomoji, a dedicated English candidate mode
- Local input statistics (off by default): character counts and active time stay on this machine; view and clean them under Settings → Statistics
- Voice input with streaming recognition and optional cleanup
- Handwriting, on-screen keyboard, floating toolbar, clipboard history
- User dictionary management, candidate frequency tuning, skins with light and dark variants
Privacy
An input method sees every keystroke, so the boundaries are stated explicitly in PRIVACY.md: which features reach the network, what each one sends, what the defaults are, and how to turn each off.
Two things worth knowing up front. Cloud candidates are on by default — the composition spelling goes to Google's input-tools service, and it is the only network feature that works without you supplying a credential. API tokens are stored in plain text in config.toml, unlike macOS and Linux which use the Keychain and Secret Service.
There is no telemetry, analytics or crash reporting of any kind.
Building and contributing
CONTRIBUTING.md has the environment, the build order and what to run before opening a pull request. Contributions do not have to be code — dictionary entries, documentation, icons and compatibility testing all count, and the recruiting page lists them by area.
Note that most issues, documentation and code comments are in Chinese. English pull requests and issues are welcome.
Code signing policy
Free code signing provided by SignPath.io, certificate by SignPath Foundation.
What is signed, who the committers, reviewers and approvers are, the build and release process and the current status are in the code signing policy. The privacy policy is PRIVACY.md.
Licence
GPL-3.0. See LICENSE and THIRD_PARTY_NOTICES.txt.