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# OpenHarmony v2.2 Beta2 <a name="ZH-CN_TOPIC_0000001182379069"></a>

-   [版本概述](#section1677664815431)
-   [配套关系](#section13201781528)
-   [源码获取](#section1350215462116)
-   [更新说明](#section11256141314463)
-   [修复缺陷列表](#section3442123281619)

## 版本概述<a name="section1677664815431"></a>

当前版本在OpenHarmony 2.0 Canary的基础上，针对轻量系统、小型系统和标准系统都有增加新的特性：

标准系统新增特性功能如下：

-   新增分布式远程拉起能力端到端的构建。
-   新增系统基础应用的拖拽能力和新增若干Sample应用。
-   新增媒体三大服务能力，提供更好的媒体系统功能。

轻量和小型系统新增特性功能如下：
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-   新增小型系统linux版本构建能力。
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-   新增轻量级内核能力增强，包括文件系统增强、内核调试工具增强支持、内核模块支持可配置、三方芯片适配支持、支持ARM9架构等。
-   轻量级图形能力增强支持，包括支持多语言字体对齐、支持显示控件轮廓、支持点阵字体、供统一多后端框架支持多芯片平台等。
-   DFX能力增强支持，包括HiLog功能增强、HiEvent功能增强，提供轻量级系统信息dump工具、提供重启维侧框架等。
-   AI能力增强支持，包括新增linux内核适配支持、AI引擎支持基于共享内存的数据传输。

## 配套关系<a name="section13201781528"></a>

**表 1**  版本软件和工具配套关系

<a name="table3398163217210"></a>
<table><thead align="left"><tr id="row1339820327212"><th class="cellrowborder" valign="top" width="28.622862286228624%" id="mcps1.2.4.1.1"><p id="p63988321828"><a name="p63988321828"></a><a name="p63988321828"></a>软件</p>
</th>
<th class="cellrowborder" valign="top" width="30.003000300030003%" id="mcps1.2.4.1.2"><p id="p7398133211216"><a name="p7398133211216"></a><a name="p7398133211216"></a>版本</p>
</th>
<th class="cellrowborder" valign="top" width="41.37413741374137%" id="mcps1.2.4.1.3"><p id="p1239913216212"><a name="p1239913216212"></a><a name="p1239913216212"></a>备注</p>
</th>
</tr>
</thead>
<tbody><tr id="row113991632528"><td class="cellrowborder" valign="top" width="28.622862286228624%" headers="mcps1.2.4.1.1 "><p id="p33994328215"><a name="p33994328215"></a><a name="p33994328215"></a>OpenHarmony</p>
</td>
<td class="cellrowborder" valign="top" width="30.003000300030003%" headers="mcps1.2.4.1.2 "><p id="p61561339133315"><a name="p61561339133315"></a><a name="p61561339133315"></a>2.2 Beta2</p>
</td>
<td class="cellrowborder" valign="top" width="41.37413741374137%" headers="mcps1.2.4.1.3 "><p id="p7316162554817"><a name="p7316162554817"></a><a name="p7316162554817"></a>NA</p>
</td>
</tr>
<tr id="row239911321527"><td class="cellrowborder" valign="top" width="28.622862286228624%" headers="mcps1.2.4.1.1 "><p id="p193286111669"><a name="p193286111669"></a><a name="p193286111669"></a>HUAWEI DevEco Studio（可选）</p>
</td>
<td class="cellrowborder" valign="top" width="30.003000300030003%" headers="mcps1.2.4.1.2 "><p id="p83711419141513"><a name="p83711419141513"></a><a name="p83711419141513"></a>DevEco Studio 2.2 Beta1</p>
</td>
<td class="cellrowborder" valign="top" width="41.37413741374137%" headers="mcps1.2.4.1.3 "><p id="p12457193617153"><a name="p12457193617153"></a><a name="p12457193617153"></a>OpenHarmony应用开发推荐使用。</p>
</td>
</tr>
<tr id="row153991032926"><td class="cellrowborder" valign="top" width="28.622862286228624%" headers="mcps1.2.4.1.1 "><p id="p17708321495"><a name="p17708321495"></a><a name="p17708321495"></a>HUAWEI DevEco Device Tool（可选）</p>
</td>
<td class="cellrowborder" valign="top" width="30.003000300030003%" headers="mcps1.2.4.1.2 "><p id="p145502371612"><a name="p145502371612"></a><a name="p145502371612"></a>Deveco DeviceTool 2.2 Beta1</p>
</td>
<td class="cellrowborder" valign="top" width="41.37413741374137%" headers="mcps1.2.4.1.3 "><p id="p1139765711198"><a name="p1139765711198"></a><a name="p1139765711198"></a>OpenHarmony智能设备集成开发环境推荐使用。</p>
</td>
</tr>
</tbody>
</table>

## 源码获取<a name="section1350215462116"></a>
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### 通过repo下载
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**方式一（推荐）**

通过repo + ssh 下载（需注册公钥，请参考[码云帮助中心](https://gitee.com/help/articles/4191)）。

```
repo init -u git@gitee.com:openharmony/manifest.git -b refs/tags/OpenHarmony-v2.2-Beta2 --no-repo-verify
repo sync -c
repo forall -c 'git lfs pull'
```

**方式二**

通过repo + https 下载。

```
repo init -u https://gitee.com/openharmony/manifest.git -b refs/tags/OpenHarmony-v2.2-Beta2 --no-repo-verify
repo sync -c
repo forall -c 'git lfs pull'
```
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### 通过镜像站点下载

**表2** 源码获取路径

| 版本源码 | 版本信息 | 下载站点 | SHA256校验码 | 
| -------- | -------- | -------- | -------- |
| 全量代码（标准、轻量和小型系统） | 2.2 | [站点](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/code-v2.2-beta2_20210730.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/code-v2.2-beta2_20210730.tar.gz.sha256) | 
| 标准系统解决方案（二进制） | 2.2 | [站点](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/standard-2.2-Beta2.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/standard-2.2-Beta2.tar.gz.sha256) | 
| Hi3861解决方案（二进制） | 2.2 | [站点](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_pegasus-2.2-Beta2.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_pegasus-2.2-Beta2.tar.gz.sha256) | 
| Hi3518解决方案（二进制） | 2.2 | [站点](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_aries-2.2-Beta2.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_aries-2.2-Beta2.tar.gz.sha256) | 
| Hi3516解决方案-LiteOS（二进制） | 2.2 | [站点](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_taurus-2.2-Beta2.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_taurus-2.2-Beta2.tar.gz.sha256) | 
| Hi3516解决方案-Linux（二进制） | 2.2 | [站点](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_taurus_linux-2.2-Beta2.tar.gz) | [SHA256校验码](https://repo.huaweicloud.com/harmonyos/os/2.2-Beta2/hispark_taurus_linux-2.2-Beta2.tar.gz.sha256) | 
| Release&nbsp;Notes | 2.2 | [站点](https://gitee.com/openharmony/docs/blob/master/zh-cn/release-notes/OpenHarmony-v2.2-beta2.md) | - |
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## 更新说明<a name="section11256141314463"></a>

本版本在继承了OpenHarmony 2.0 Canary的基础上有如下变更。

### 特性变更

**表 2**  版本新增特性表

<a name="table1976311913503"></a>
<table><thead align="left"><tr id="row127631916501"><th class="cellrowborder" valign="top" width="23.04%" id="mcps1.2.4.1.1"><p id="p6763997509"><a name="p6763997509"></a><a name="p6763997509"></a>子系统名称</p>
</th>
<th class="cellrowborder" valign="top" width="41.6%" id="mcps1.2.4.1.2"><p id="p1176418919506"><a name="p1176418919506"></a><a name="p1176418919506"></a>标准系统</p>
</th>
<th class="cellrowborder" valign="top" width="35.36%" id="mcps1.2.4.1.3"><p id="p05751656182510"><a name="p05751656182510"></a><a name="p05751656182510"></a>轻量、小型系统</p>
</th>
</tr>
</thead>
<tbody><tr id="row12618619217"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p1626368217"><a name="p1626368217"></a><a name="p1626368217"></a>分布式文件</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p753217119019"><a name="p753217119019"></a><a name="p753217119019"></a>提供本地system.file异步文件操作JS API，包括文件读写、目录访问、增删等接口。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p1257515560253"><a name="p1257515560253"></a><a name="p1257515560253"></a>NA</p>
</td>
</tr>
<tr id="row1697324472115"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p19973154462114"><a name="p19973154462114"></a><a name="p19973154462114"></a>驱动</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p178202347481"><a name="p178202347481"></a><a name="p178202347481"></a><a href="https://gitee.com/openharmony/drivers_framework/issues/I3QE85" target="_blank" rel="noopener noreferrer">3QE85</a>：新增Audio、Camera、USB、马达、ADC驱动模型。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p18438192992613"><a name="p18438192992613"></a><a name="p18438192992613"></a>LiteOS-M支持HDF框架。</p>
</td>
</tr>
<tr id="row472717219225"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p147281129226"><a name="p147281129226"></a><a name="p147281129226"></a>电源管理服务</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p4668144017319"><a name="p4668144017319"></a><a name="p4668144017319"></a>新增系统电源状态机、休眠运行锁、休眠唤醒功能。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><a name="ul33391443142616"></a><a name="ul33391443142616"></a><ul id="ul33391443142616"><li>新增充放电状态查询接口、电量查询接口。</li><li>提供低功耗模式支持，并提供低功耗模式统一API支持。</li></ul>
</td>
</tr>
<tr id="row620911170236"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p162091917182319"><a name="p162091917182319"></a><a name="p162091917182319"></a>升级服务</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p18451433239"><a name="p18451433239"></a><a name="p18451433239"></a>新增恢复出厂功能。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p7576205613250"><a name="p7576205613250"></a><a name="p7576205613250"></a>NA</p>
</td>
</tr>
<tr id="row271213617373"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p716961115372"><a name="p716961115372"></a><a name="p716961115372"></a>媒体</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><a name="ul108105123910"></a><a name="ul108105123910"></a><ul id="ul108105123910"><li>新增音频服务，提供音频基础控制能力。</li><li>新增相机服务，提供预览、拍照等基础功能力。</li><li>新增媒体服务，提供音频、视频播放能力。</li></ul>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p8576165610250"><a name="p8576165610250"></a><a name="p8576165610250"></a>NA</p>
</td>
</tr>
<tr id="row776714945019"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p0767179135017"><a name="p0767179135017"></a><a name="p0767179135017"></a>JS UI框架</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p1128414013613"><a name="p1128414013613"></a><a name="p1128414013613"></a>支持使用JS与C/C++混合开发JS API。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p45762056192514"><a name="p45762056192514"></a><a name="p45762056192514"></a>NA</p>
</td>
</tr>
<tr id="row188861132252"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p18866362511"><a name="p18866362511"></a><a name="p18866362511"></a>事件通知</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p2024302141016"><a name="p2024302141016"></a><a name="p2024302141016"></a>支持应用本地发送、取消多行文本通知能力。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p85761556122515"><a name="p85761556122515"></a><a name="p85761556122515"></a>NA</p>
</td>
</tr>
<tr id="row32413714262"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p424237152616"><a name="p424237152616"></a><a name="p424237152616"></a>分布式软总线</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p17236217843"><a name="p17236217843"></a><a name="p17236217843"></a>新增软总线自组网功能，可信设备接入到局域网中（ETH\WiFi）后可自发现、无感知的接入到软总线。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p1857675611252"><a name="p1857675611252"></a><a name="p1857675611252"></a>NA</p>
</td>
</tr>
<tr id="row6307237105110"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p24971139185111"><a name="p24971139185111"></a><a name="p24971139185111"></a>分布式数据管理</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><a name="ul1411113817529"></a><a name="ul1411113817529"></a><ul id="ul1411113817529"><li>新增分布式数据管理能力，支持分布式数据库在本地加密存储</li><li>支持轻量级偏好数据库</li></ul>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><a name="ul59217181020"></a><a name="ul59217181020"></a><ul id="ul59217181020"><li>提供数据库内容的删除能力。</li><li>提供统一的HAL文件系统操作函数实现。</li><li>提供相关数据存储的原子操作能力。</li><li>提供二进制Value的写入读取能力。</li></ul>
</td>
</tr>
<tr id="row161918529268"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p066763616286"><a name="p066763616286"></a><a name="p066763616286"></a>系统应用</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p1490153195610"><a name="p1490153195610"></a><a name="p1490153195610"></a>桌面:</p>
<a name="ul16239155595614"></a><a name="ul16239155595614"></a><ul id="ul16239155595614"><li>桌面设置界面UX优化。</li><li>新增桌面图标拖拽特性。</li></ul>
<p id="p20905319564"><a name="p20905319564"></a><a name="p20905319564"></a>设置：</p>
<a name="ul245041017582"></a><a name="ul245041017582"></a><ul id="ul245041017582"><li>新增Wlan设置功能。</li></ul>
<p id="p1090143112566"><a name="p1090143112566"></a><a name="p1090143112566"></a>SystemUI：</p>
<a name="ul1027287584"></a><a name="ul1027287584"></a><ul id="ul1027287584"><li>新增卡信号图标显示功能。</li></ul>
<p id="p14903318562"><a name="p14903318562"></a><a name="p14903318562"></a>图库：</p>
<a name="ul172792055205811"></a><a name="ul172792055205811"></a><ul id="ul172792055205811"><li>新增图片、视频资源的查看、移动、复制、删除、重命名等功能。</li></ul>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p6576125602513"><a name="p6576125602513"></a><a name="p6576125602513"></a>NA</p>
</td>
</tr>
<tr id="row377318915507"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p777349105012"><a name="p777349105012"></a><a name="p777349105012"></a>全球化子系统</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><a name="ul18119906123"></a><a name="ul18119906123"></a><ul id="ul18119906123"><li>完善时间日期格式化能力。</li><li>支持时间段的格式化。</li><li>新增数字格式化能力。</li></ul>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><a name="ul33981411321"></a><a name="ul33981411321"></a><ul id="ul33981411321"><li>新增构建自定义数据编译能力。</li><li>新增构建星期、单复数、数字开关国际化能力。</li><li>新增构建应用资源解析和加载机制。</li><li>新增构建资源回溯机制。</li></ul>
</td>
</tr>
<tr id="row20979141410276"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p129791114102719"><a name="p129791114102719"></a><a name="p129791114102719"></a>Sample应用</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><a name="ul3397818122718"></a><a name="ul3397818122718"></a><ul id="ul3397818122718"><li>计算器中新增分布式功能，组网后支持拉起另一台组网设备上的计算器，两台设备可协同计算，计算数据实时同步。</li><li>新增音频播放器应用，支持本地音频播放，组网后可将音乐播放接续至其他组网设备上。</li></ul>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p0576125692520"><a name="p0576125692520"></a><a name="p0576125692520"></a>NA</p>
</td>
</tr>
<tr id="row1474114139329"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p6741131317321"><a name="p6741131317321"></a><a name="p6741131317321"></a>分布式设备管理</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p143617933314"><a name="p143617933314"></a><a name="p143617933314"></a>新增设备管理系统服务，提供分布式设备账号无关的认证组网能力。</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p264113419105"><a name="p264113419105"></a><a name="p264113419105"></a>NA</p>
</td>
</tr>
<tr id="row832191324615"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p3331113194616"><a name="p3331113194616"></a><a name="p3331113194616"></a>DFX</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p47911168336"><a name="p47911168336"></a><a name="p47911168336"></a>NA</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><a name="ul1469920194511"></a><a name="ul1469920194511"></a><ul id="ul1469920194511"><li>提供LiteOS内核系统信息dump工具。</li><li>提供LiteOS内核死机重启维测框架。</li><li>新增数字格式化能力。</li><li>HiLog功能增强。</li><li>HiEvent功能增强。</li></ul>
</td>
</tr>
<tr id="row1336310497544"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p173649490544"><a name="p173649490544"></a><a name="p173649490544"></a>内核</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p1300552183317"><a name="p1300552183317"></a><a name="p1300552183317"></a>NA</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><a name="ul191101631555"></a><a name="ul191101631555"></a><ul id="ul191101631555"><li>支持轻量级Linux版本。</li><li>proc文件系统增强。</li><li>新增mksh命令解析器。</li><li>文件系统维测增强。</li><li>LiteOS-A內核模块支持可配置。</li><li>支持LiteOS-A小系统三方芯片适配。</li><li>LiteOS-M支持三方组件Mbedtls编译。</li><li>LiteOS-M支持三方组件curl编译。</li><li>支持轻量级shell框架和常用调测命令。</li><li>LiteOS-M支持ARM9架构。</li><li>支持基于NOR Flash的littlefs文件系统。</li><li>LiteOS-M对外提供统一的文件系统操作接口。</li><li>新增Namecache模块、Vnode管理、Lookup模块。</li></ul>
</td>
</tr>
<tr id="row192410715819"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p32567175813"><a name="p32567175813"></a><a name="p32567175813"></a>图形图像</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p182587563419"><a name="p182587563419"></a><a name="p182587563419"></a>NA</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><a name="ul1742414363415"></a><a name="ul1742414363415"></a><ul id="ul1742414363415"><li>支持A4\A8、LUT8、TSC图片格式作为输入。</li><li>支持多语言字体对齐。</li><li>UIKit支持显示控件轮廓。</li><li>ScrollView/List支持通过弧形进度条展示滑动进度。</li><li>支持开关按钮/复选框/单选按钮动效。</li><li>UIKit支持点阵字体产品化解耦。</li><li>UI框架提供统一多后端框架支持多芯片平台。</li><li>UIKit组件支持margin/padding。</li><li>圆形/胶囊按钮支持缩放和白色蒙层动效。</li></ul>
</td>
</tr>
<tr id="row115211202598"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p11531320165912"><a name="p11531320165912"></a><a name="p11531320165912"></a>编译构建</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p2071212873418"><a name="p2071212873418"></a><a name="p2071212873418"></a>NA</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p1920101163411"><a name="p1920101163411"></a><a name="p1920101163411"></a>支持开源软件的通用patch框架。</p>
</td>
</tr>
<tr id="row63749231472"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p83746237713"><a name="p83746237713"></a><a name="p83746237713"></a>启动恢复</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p1261941520343"><a name="p1261941520343"></a><a name="p1261941520343"></a>NA</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p11807317133420"><a name="p11807317133420"></a><a name="p11807317133420"></a>支持恢复出厂设置支持多语言字体对齐。</p>
</td>
</tr>
<tr id="row1225911481986"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p1926017488814"><a name="p1926017488814"></a><a name="p1926017488814"></a>分布式调度</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p19901119123410"><a name="p19901119123410"></a><a name="p19901119123410"></a>NA</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><p id="p172611227345"><a name="p172611227345"></a><a name="p172611227345"></a>支持轻量设备启动富设备上的Ability。</p>
</td>
</tr>
<tr id="row1167365771317"><td class="cellrowborder" valign="top" width="23.04%" headers="mcps1.2.4.1.1 "><p id="p0674357171314"><a name="p0674357171314"></a><a name="p0674357171314"></a>AI</p>
</td>
<td class="cellrowborder" valign="top" width="41.6%" headers="mcps1.2.4.1.2 "><p id="p8313182513345"><a name="p8313182513345"></a><a name="p8313182513345"></a>NA</p>
</td>
<td class="cellrowborder" valign="top" width="35.36%" headers="mcps1.2.4.1.3 "><a name="ul16276418181411"></a><a name="ul16276418181411"></a><ul id="ul16276418181411"><li>AI子系统添加Linux内核适配，编译选项支持。</li><li>AI引擎支持基于共享内存的数据传输。</li></ul>
</td>
</tr>
</tbody>
</table>

### API变更

API变更请参考：
N
update zh-cn/release-notes/OpenHarmony-v2.2-beta2.md.  
NEEN 已提交
274 
[JS API 差异报告](api-change/v2.2-beta2/js-apidiff-v2.2-beta2.md)
D
回退 'Pull Request !514 : change OAT.xml'  
duangavin123 已提交
275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 

[Native API 差异报告](api-change/v2.2-beta2/native-apidiff-v2.2-beta2.md)

## 修复缺陷列表<a name="section3442123281619"></a>

**表 3** **解决的缺陷ISSUE列表**

<a name="table158451039191811"></a>

<table><thead align="left"><tr id="row178461539111814"><th class="cellrowborder" valign="top" width="13.15%" id="mcps1.2.3.1.1"><p id="p4846113915184"><a name="p4846113915184"></a><a name="p4846113915184"></a>ISSUE单号</p>
</th>
<th class="cellrowborder" valign="top" width="86.85000000000001%" id="mcps1.2.3.1.2"><p id="p4846039111815"><a name="p4846039111815"></a><a name="p4846039111815"></a>问题描述</p>
</th>
</tr>
</thead>
<tbody><tr id="row8846163911187"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p18127341171919"><a name="p18127341171919"></a><a name="p18127341171919"></a><a href="https://gitee.com/openharmony/kernel_liteos_a/issues/I3I31W" target="_blank" rel="noopener noreferrer">I3I31W</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p01271941121913"><a name="p01271941121913"></a><a name="p01271941121913"></a>ActsNFSTest.bin会引起内核crash</p>
</td>
</tr>
<tr id="row1846113981818"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p14127174118199"><a name="p14127174118199"></a><a name="p14127174118199"></a><a href="https://gitee.com/openharmony/docs/issues/I3D49E" target="_blank" rel="noopener noreferrer">I3D49E</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p141271541131915"><a name="p141271541131915"></a><a name="p141271541131915"></a>uboot的路径不对</p>
</td>
</tr>
<tr id="row5846103901815"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p181274412195"><a name="p181274412195"></a><a name="p181274412195"></a><a href="https://gitee.com/openharmony-retired/drivers_adapter_khdf_liteos/issues/I3D71U" target="_blank" rel="noopener noreferrer">I3D71U</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p131271341151912"><a name="p131271341151912"></a><a name="p131271341151912"></a>【驱动子系统】反复reset，启动到hmac_main_init SUCCESSULLY后，高概率出现系统挂死</p>
</td>
</tr>
<tr id="row48467394184"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p812718412194"><a name="p812718412194"></a><a name="p812718412194"></a><a href="https://gitee.com/openharmony/aafwk_aafwk_lite/issues/I3DGZW" target="_blank" rel="noopener noreferrer">I3DGZW</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p3127164121913"><a name="p3127164121913"></a><a name="p3127164121913"></a>【应用程序框架子系统】HI3516开源板进入屏保后 ，点击触摸屏，出现蓝屏问题</p>
</td>
</tr>
<tr id="row984633901815"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p1912812411199"><a name="p1912812411199"></a><a name="p1912812411199"></a><a href="https://gitee.com/openharmony/community/issues/I3DHIL" target="_blank" rel="noopener noreferrer">I3DHIL</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p1412854111192"><a name="p1412854111192"></a><a name="p1412854111192"></a>【系统问题】HI3518开源板剩余空间不足，导致ACTS用例大量失败</p>
</td>
</tr>
<tr id="row984623913181"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p1128184171917"><a name="p1128184171917"></a><a name="p1128184171917"></a><a href="https://gitee.com/openharmony/appexecfwk_appexecfwk_lite/issues/I3DU36" target="_blank" rel="noopener noreferrer">I3DU36</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p17128104114191"><a name="p17128104114191"></a><a name="p17128104114191"></a>【应用程序框架子系统】ipcamera bm 查询命令失效</p>
</td>
</tr>
<tr id="row4846193919186"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p16128174171917"><a name="p16128174171917"></a><a name="p16128174171917"></a><a href="https://gitee.com/openharmony/multimedia_camera_lite/issues/I3EALU" target="_blank" rel="noopener noreferrer">I3EALU</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p8128184191914"><a name="p8128184191914"></a><a name="p8128184191914"></a>【媒体子系统】cameraActs 用例执行时，找不到相机配置文件，初始失败</p>
</td>
</tr>
<tr id="row851624131915"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p1412814111917"><a name="p1412814111917"></a><a name="p1412814111917"></a><a href="https://gitee.com/openharmony/community/issues/I3EGUX" target="_blank" rel="noopener noreferrer">I3EGUX</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p161282419194"><a name="p161282419194"></a><a name="p161282419194"></a>【可靠性问题】反复reset，出现一次KIdle进程crash，系统挂死无法启动</p>
</td>
</tr>
<tr id="row1151162411915"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p181280416199"><a name="p181280416199"></a><a name="p181280416199"></a><a href="https://gitee.com/openharmony/community/issues/I3EH4E" target="_blank" rel="noopener noreferrer">I3EH4E</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p2128841121919"><a name="p2128841121919"></a><a name="p2128841121919"></a>【流水线问题】高概率出现：uname无响应，然后执行reset也无响应</p>
</td>
</tr>
<tr id="row051182419198"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p20128204114190"><a name="p20128204114190"></a><a name="p20128204114190"></a><a href="https://gitee.com/openharmony/community/issues/I3EQJA" target="_blank" rel="noopener noreferrer">I3EQJA</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p1112813418191"><a name="p1112813418191"></a><a name="p1112813418191"></a>【文件系统】cat /proc/mounts功能不可用</p>
</td>
</tr>
<tr id="row451132491912"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p1012844171912"><a name="p1012844171912"></a><a name="p1012844171912"></a><a href="https://gitee.com/openharmony/kernel_liteos_a/issues/I3EQRC" target="_blank" rel="noopener noreferrer">I3EQRC</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p1612884110194"><a name="p1612884110194"></a><a name="p1612884110194"></a>磁盘文件映射延迟测试：并发3个测试进程，系统crash</p>
</td>
</tr>
<tr id="row551124141912"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p1212854112194"><a name="p1212854112194"></a><a name="p1212854112194"></a><a href="https://gitee.com/openharmony/docs/issues/I3HVL0" target="_blank" rel="noopener noreferrer">I3HVL0</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p2128241151910"><a name="p2128241151910"></a><a name="p2128241151910"></a>3861编译失败，报错[OHOS ERROR] Fatal error: invalid -march= option:rv32imac</p>
</td>
</tr>
<tr id="row2065132419197"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p1767317453201"><a name="p1767317453201"></a><a name="p1767317453201"></a><a href="https://gitee.com/openharmony/kernel_liteos_a/issues/I3TS1Y" target="_blank" rel="noopener noreferrer">I3TS1Y</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p1667354518204"><a name="p1667354518204"></a><a name="p1667354518204"></a>压力场景下文件相关Vnode资源耗尽</p>
</td>
</tr>
<tr id="row1269122413190"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p13674845202014"><a name="p13674845202014"></a><a name="p13674845202014"></a><a href="https://gitee.com/openharmony/startup_init_lite/issues/I3TXT8" target="_blank" rel="noopener noreferrer">I3TXT8</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p1267414592020"><a name="p1267414592020"></a><a name="p1267414592020"></a>孤儿进程无法回收，压力场景下TCB资源耗尽</p>
</td>
</tr>
<tr id="row1233105621912"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p176741745112010"><a name="p176741745112010"></a><a name="p176741745112010"></a><a href="https://gitee.com/openharmony/applications_sample_wifi_iot/issues/I3UWXI" target="_blank" rel="noopener noreferrer">I3UWXI</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p56742457209"><a name="p56742457209"></a><a name="p56742457209"></a>libwap.so 存在已知一般漏洞： CVE-2021-30004，CVSS：5.3；漏洞发布日期：2021-04-02，不符合产品发布要求，需要解决。</p>
</td>
</tr>
<tr id="row1723765610198"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p166741945122011"><a name="p166741945122011"></a><a name="p166741945122011"></a><a href="https://gitee.com/openharmony/kernel_liteos_a/issues/I3SWY2" target="_blank" rel="noopener noreferrer">I3SWY2</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p96741945132014"><a name="p96741945132014"></a><a name="p96741945132014"></a>高概率出现KProcess进程挂死，质量不达标</p>
</td>
</tr>
<tr id="row1359138112017"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p156744454206"><a name="p156744454206"></a><a name="p156744454206"></a><a href="https://gitee.com/openharmony/kernel_liteos_m/issues/I3YJRO" target="_blank" rel="noopener noreferrer">I3YJRO</a></p>
</td>
<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p2067419456205"><a name="p2067419456205"></a><a name="p2067419456205"></a>liteos-a內核模块可配置编译失败</p>
</td>
</tr>
<tr id="row1635963862010"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p11674245202010"><a name="p11674245202010"></a><a name="p11674245202010"></a><a href="https://gitee.com/openharmony/kernel_liteos_a/issues/I3YNWM" target="_blank" rel="noopener noreferrer">I3YNWM</a></p>
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<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p136742452208"><a name="p136742452208"></a><a name="p136742452208"></a>文件系统维测增强功能在该版本有问题</p>
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<tr id="row8360183892010"><td class="cellrowborder" valign="top" width="13.15%" headers="mcps1.2.3.1.1 "><p id="p6674154522014"><a name="p6674154522014"></a><a name="p6674154522014"></a><a href="https://gitee.com/openharmony/kernel_liteos_a/issues/I3VEOG" target="_blank" rel="noopener noreferrer">I3VEOG</a></p>
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<td class="cellrowborder" valign="top" width="86.85000000000001%" headers="mcps1.2.3.1.2 "><p id="p156747457204"><a name="p156747457204"></a><a name="p156747457204"></a>bin目录下没有mksh和toybox，导致已转测的toybox命令集无法测试</p>
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