## Version Description<a name="section1677664815431"></a>
On the basis of OpenHarmony 1.1.0, OpenHarmony 2.0 adds the version for the standard system, which delivers the following functions:
- Twenty-two subsystems have been added to support comprehensive OS capabilities and app development for screened devices with a memory greater than 128 MB.
- Three preset apps, Launcher, Settings, and SystemUI, have been provided.
- A brand-new OpenHarmony application framework and JS UI framework have been provided.
- JavaScript app development capabilities have been provided.
- A media framework has been provided to support the development of audio and video functions.
- The Java UI framework has been provided to support window management, image synthesis, and GPU rendering capabilities.
## Version Mapping<a name="section13201781528"></a>
<tdclass="cellrowborder"valign="top"width="29.972997299729975%"headers="mcps1.2.4.1.2 "><pid="p83711419141513"><aname="p83711419141513"></a><aname="p83711419141513"></a>DevEco Studio 2.1 Release</p>
</td>
<tdclass="cellrowborder"valign="top"width="41.4041404140414%"headers="mcps1.2.4.1.3 "><pid="p12457193617153"><aname="p12457193617153"></a><aname="p12457193617153"></a>It is recommended for developing OpenHarmony apps.</p>
<tdclass="cellrowborder"valign="top"width="41.4041404140414%"headers="mcps1.2.4.1.3 "><pid="p1139765711198"><aname="p1139765711198"></a><aname="p1139765711198"></a>It is recommended for OpenHarmony smart devices.</p>
</td>
</tr>
</tbody>
</table>
## Source Code Acquisition
### Acquiring Source Code Using the repo Tool
**Method 1 (recommended)**: Use the **repo** tool to download the source code over SSH. (You must have registered an SSH public key for access to Gitee.)
This version inherits all the features of OpenHarmony 1.1.0 and adds the version form for the standard system. The following table describes the specific features added for the version form.
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p0750218142312"><aname="p0750218142312"></a><aname="p0750218142312"></a>The OpenHarmony kernel is built based on the open-source Linux kernel LTS release and forms a complete kernel baseline by merging the common vulnerabilities and exposures (CVE) patches and features for OpenHarmony upper-layer adaptation.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p17116387289"><aname="p17116387289"></a><aname="p17116387289"></a>Provided JavaScript APIs for local file synchronization, including reading and writing files, accessing directories, and collecting file statistics.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul6736012132813"></a><aname="ul6736012132813"></a><ulid="ul6736012132813"><li>Provided window management functions, including creating and destroying windows and managing window stacks.</li><li>Added the synthesizer function, which implements CPU, GPU, and TDE synthesis.</li><li>Added the BufferQueue function to support inter-process communication.</li><li>Added the VSync management function.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p68761043171814"><aname="p68761043171814"></a><aname="p68761043171814"></a>Added power management capabilities, including powering off the device, turning on/off the device screen, adjusting the brightness, querying the battery status, and managing the system power and running lock.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p311264101619"><aname="p311264101619"></a><aname="p311264101619"></a>Added JavaScript APIs for managing system attributes.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul1758215644919"></a><aname="ul1758215644919"></a><ulid="ul1758215644919"><li>Added the OTA update using a full package.</li><li>Added the OTA update using a differential package.</li><li>Added JavaScript APIs for managing system attributes.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p742721918165"><aname="p742721918165"></a><aname="p742721918165"></a>Provided login status management of distributed cloud accounts.</p>
</td>
</tr>
<trid="row101761542112310"><tdclass="cellrowborder"valign="top"width="24.94%"headers="mcps1.2.3.1.1 "><pid="p1417634216237"><aname="p1417634216237"></a><aname="p1417634216237"></a>Compilation and Building</p>
</td>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul52391642195617"></a><aname="ul52391642195617"></a><ulid="ul52391642195617"><li>Added building of targets by module name or submodule name.</li><li>Supported access of different chip platforms and configuration of the product module list.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p1279162291610"><aname="p1279162291610"></a><aname="p1279162291610"></a>Added the developer test capability of conducting C++ API unit tests and API performance tests.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p11417133545113"><aname="p11417133545113"></a><aname="p11417133545113"></a>Provided lightweight key-value operations for local apps to store a small amount of data. As the stored data is already loaded in the memory, the faster data access speed achieves a higher work efficiency.</p>
</td>
</tr>
<trid="row3363151082416"><tdclass="cellrowborder"valign="top"width="24.94%"headers="mcps1.2.3.1.1 "><pid="p1536351042411"><aname="p1536351042411"></a><aname="p1536351042411"></a>Programming Language Runtime</p>
</td>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p136651126161615"><aname="p136651126161615"></a><aname="p136651126161615"></a>Provided the compilation and execution environment for programs developed with JavaScript, and C/C++, basic libraries that support the runtime, and the runtime-associated APIs, compilers, and auxiliary tools.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p725263113167"><aname="p725263113167"></a><aname="p725263113167"></a>Provided the capabilities of starting, registering, querying, and managing system services.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul2726340105915"></a><aname="ul2726340105915"></a><ulid="ul2726340105915"><li>Provided more than 40 basic UI components and container components.</li><li>Provided standard CSS animations.</li><li>Provided the atomic layout and grid layout.</li><li>Provided a UI programming framework that supports the web-development-like paradigm.</li><li>Provided the JavaScript API extension mechanism.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul258211290236"></a><aname="ul258211290236"></a><ulid="ul258211290236"><li>Added basic functions of media playback and recording.</li><li>Added basic functions of camera management and sampling.</li><li>Added basic functions of audio volume and device management.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p15273861617"><aname="p15273861617"></a><aname="p15273861617"></a>Added basic functions of publishing, subscribing to, and receiving common events.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p11712144071610"><aname="p11712144071610"></a><aname="p11712144071610"></a>Added the function of setting the time.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul1781485014812"></a><aname="ul1781485014812"></a><ulid="ul1781485014812"><li>Provided the capabilities of obtaining the signal strength and the network registration status.</li><li>Provided the capability of obtaining the SIM card status.</li><li>Provided the capabilities of making, rejecting, and ending calls.</li><li>Provided the capabilities of sending and receiving SMS messages.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p183220493311"><aname="p183220493311"></a><aname="p183220493311"></a>Provides some common enhanced APIs for development using C and C++.</p>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul03096914278"></a><aname="ul03096914278"></a><ulid="ul03096914278"><li>Provided inter-process communication (IPC) and remote procedure call (RPC) capabilities.</li><li>Provided soft bus services including device discovery, networking, and transmission.</li><li>Provided basic WLAN capabilities, including enabling/disabling, scanning, and connecting to a station.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><pid="p5545123182116"><aname="p5545123182116"></a><aname="p5545123182116"></a>Provided test case suites for maintaining the compatibility of common APIs for subsystems.</p>
<aname="ul683613349018"></a><aname="ul683613349018"></a><ulid="ul683613349018"><li>Provided the capabilities of displaying all app icons, starting an app, and uninstalling an app.</li><li>Provided the Launcher system app that allows switching between the grid layout and list layout.</li><li>Provided recent task management to support hot start and task deletion.</li></ul>
<aname="ul18614124113017"></a><aname="ul18614124113017"></a><ulid="ul18614124113017"><li>Provided the Settings system app that allows users to set the brightness and time and to query app and device information.</li></ul>
<aname="ul320210441907"></a><aname="ul320210441907"></a><ulid="ul320210441907"><li>Provided the system status bar to display time and battery information.</li><li>Provided the display of system navigation.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul240818173613"></a><aname="ul240818173613"></a><ulid="ul240818173613"><li>Provided the logging function.</li><li>Provided fault information collection and subscription.</li><li>Provided APIs for logging system events.</li><li>Provided the framework and APIs for logging app events.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul1815672517363"></a><aname="ul1815672517363"></a><ulid="ul1815672517363"><li>Provided the capability of parsing and reading i18n resources.</li><li>Provided the capability of formatting the date and time.</li></ul>
<tdclass="cellrowborder"valign="top"width="75.06%"headers="mcps1.2.3.1.2 "><aname="ul1992964853616"></a><aname="ul1992964853616"></a><ulid="ul1992964853616"><li>Provided system permission management, including system permission declaration, parsing of the permissions requested or declared during app installation, permission query, and permission granting.</li><li>Provided the app signature and signature verification capabilities.</li><li>Provided mutual authentication and device group management for trusted P2P devices.</li></ul>
OpenHarmony 3.0.1 LTS is a maintenance version with a tag of OpenHarmony 3.0 LTS. This version has rectified certain issues detected in OpenHarmony 3.0 LTS.
## Version Mapping
**Table 1** Version mapping of software and tools
| Software/Tool| Version| Remarks|
| -------- | -------- | -------- |
| OpenHarmony | 3.0.1 LTS | NA |
| SDK | 3.0.0.0 (API Version 7 release) | NA |
| (Optional) HUAWEI DevEco Studio| 3.0 Beta1 | Recommended for developing OpenHarmony applications|
| Full code base (for mini, small, and standard systems)| 3.0.1 | [Download](https://repo.huaweicloud.com/harmonyos/os/3.0.1/code-v3.0.1-LTS.tar.gz) | [Download](https://repo.huaweicloud.com/harmonyos/os/3.0.1/code-v3.0.1-LTS.tar.gz.sha256) |
| Standard system solution (binary)| 3.0.1 | [Download](https://repo.huaweicloud.com/harmonyos/os/3.0.1/standard.tar.gz) | [Download](https://repo.huaweicloud.com/harmonyos/os/3.0.1/standard.tar.gz.sha256) |
This version has the following updates to OpenHarmony 3.0 LTS.
### Feature Updates
This version does not involve feature updates.
### API Updates
This version does not involve API updates.
### Chip and Development Board Adaptation
For details about the adaptation status, see [SIG-Devboard](https://gitee.com/openharmony/community/blob/master/sig/sig-devboard/sig_devboard.md).
## Resolved Issues
**Table 3** Issues resolved for the mini and small systems
| Issue No.| Description|
| -------- | -------- |
| [I4BJFU](https://gitee.com/openharmony/kernel_liteos_a/issues/I4BJFU) | An error occurs when the dyload_posix module removes a file.|
| [I42N33](https://gitee.com/openharmony/third_party_mksh/issues/I42N33) | During the integration test, the Ctrl+C operation does not function after the **cat** command is run. A device restart is required.|
| [I4C8BO](https://gitee.com/openharmony/docs/issues/I4C8BO?from=project-issue) | The basic functions of the media subsystem (on a mini- or small-system device) are abnormal when Hi3516D V300 or Hi3518E V300 is burnt and configured by following the instructions in the official website.|
| [I4BWKC](https://gitee.com/openharmony/drivers_framework/issues/I4BWKC) | The camera driver on the Hi3516D V300 board does not function properly in the pressure test.|
| [I4BW0G](https://gitee.com/openharmony/drivers_framework/issues/I4BW0G) | The **ResetDriver** interface of the Hi3516D V300 board fails to be called.|
| [I4C7ZK](https://gitee.com/openharmony/multimedia_camera_lite/issues/I4C7ZK) | For Hi3516D V300, the resident memory of the small system exceeds the baseline.|
| [I434P1](https://gitee.com/openharmony/multimedia_camera_lite/issues/I434P1) | For Hi3518E V300, the resident memory exceeds the baseline.|
| [I48IM7](https://gitee.com/openharmony/hiviewdfx_hilog/issues/I48IM7) | During the HiLog pressure test, the hilogd restarts unexpectedly, and the hilog commands cannot be used.|
| [I4EGMD](https://gitee.com/openharmony/aafwk_aafwk_lite/issues/I4EGMD) | The serialization and deserialization methods of **Want** are defective.|
| [I4CED3](https://gitee.com/openharmony/account_os_account/issues/I4CED3) | The JS API returns both "err" and "data" in one message.|
| [I4BXZ1](https://gitee.com/openharmony/app_samples/issues/I4BXZ1) | The **\<Picker>** component does not respond to clicks.|
| [I4CMMH](https://gitee.com/openharmony/ace_ace_engine/issues/I4CMMH) | The display effect of the **\<Toggle>** component is abnormal.|
| [I4CE7D](https://gitee.com/openharmony/miscservices_inputmethod/issues/I4CE7D) | The response time of the edit box is inappropriate.|
| [I4HI4C](https://gitee.com/openharmony/ai_engine/issues/I4HI4C) | There is a failed item of the TDD test on a small-system device. This failure is caused by the inappropriate test case comparison time range.|
| [I4EUOW](https://gitee.com/openharmony/ai_engine/issues/I4EUOW) | The number of case execution threads is inappropriate.|
| [I4HTFS](https://gitee.com/openharmony/appexecfwk_appexecfwk_lite/issues/I4HTFS) | BMS adaptation for the mini system is not supported.|
| [I4C3BE](https://gitee.com/openharmony/communication_dsoftbus/issues/I4C3BE) | During passive Bluetooth Low Energy (BLE) discovery, the Bluetooth advertisement is frequently updated and, when the Bluetooth resources are used up, automatically disabled.|
| [I4I7QL](https://gitee.com/openharmony/developtools_packing_tool/issues/I4I7QL) | Packing fails when an ability has two widgets.|
| [I4BW0G](https://gitee.com/openharmony/drivers_framework/issues/I4BW0G) | There is a possibility that the Wi-Fi **ResetDriver** interface fails to be called.|
| [I4GBB6](https://gitee.com/openharmony/device_qemu/issues/I4GBB6) | The RISC-V QEMU emulator fails to run.|
| [I4CE7E](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CE7E) | **drivers/mtd/multi_partition/** in the LiteOS-A kernel is implemented by using the driver functions in **device/hisilicon**.|
| [I4JBEH](https://gitee.com/openharmony/drivers_framework/issues/I4JBEH) | Memory leakage occurs when the DMA transmission interface of HDF is repeatedly used.|
| [I4IGQ0](https://gitee.com/openharmony/drivers_framework/issues/I4IGQ0) | Resources are released after component detection fails.|
| [I4JPCG](https://gitee.com/openharmony/drivers_framework/issues/I4JPCG) | The PWM backlight cannot be set to 0.|
| [I4ERM4](https://gitee.com/openharmony/drivers_peripheral/issues/I4ERM4) | A test case fails to be displayed.|
| [I4CMUY](https://gitee.com/openharmony/drivers_adapter_khdf_linux/issues/I4CMUY) | The hdf\_peripheral\_wlan\_test\_performance.bin test suite fails to run.|
| [I4FIP2](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FIP2) | The **ioctl** function of the LiteOS_A kernel does not support the **SIOCGIFBRDADDR** option.|
| [I4GVF7](https://gitee.com/openharmony/kernel_liteos_a/issues/I4GVF7) | The permissions on the files and folders generated by the blackbox are inappropriate.|
| [I4EV8U](https://gitee.com/openharmony/kernel_liteos_a/issues/I4EV8U) | Three test cases, including IO_TEST_PPOLL_001, fail in the liteos\_a\_io\_unittest.bin\#IoTest module.|
| [I4EV3X](https://gitee.com/openharmony/kernel_liteos_a/issues/I4EV3X) | Seven test cases, including ItTestSys018, fail in the liteos\_a\_sys\_unittest.bin\#SysTest module.|
| [I4EVG0](https://gitee.com/openharmony/kernel_liteos_a/issues/I4EVG0) | The test case ItTestMisc009 fails in the liteos\_a\_misc\_unittest.bin\#MiscTest module.|
| [I4JYAX](https://gitee.com/openharmony/kernel_liteos_a/issues/I4JYAX) | The jffs2 adaptation layer incorrectly releases the lock.|
| [I4FIQW](https://gitee.com/openharmony/kernel_liteos_m/issues/I4FIQW) | The **ioctl** function of the LiteOS_M kernel does not support the **SIOCGIFBRDADDR** option.|
| [I4ELVA](https://gitee.com/openharmony/kernel_liteos_m/issues/I4ELVA) | The **read** interface at the VFS layer of the file system incorrectly determines whether **g_fs** is null.|
| [I4C6P2](https://gitee.com/openharmony/kernel_liteos_m/issues/I4C6P2) | The **LOS_QueueInfoGet** function incorrectly counts the tasks waiting to be read and written.|
| [I4C5RW](https://gitee.com/openharmony/kernel_liteos_m/issues/I4C5RW) | The error indicating that the **OS_TASK_STACK_PROTECT_SIZE** macro is not defined occurs when the MPU is enabled to protect the task stack.|
| [I4G4VK](https://gitee.com/openharmony/kernel_liteos_m/issues/I4G4VK) | Some macros are inappropriate. If they (for example, **inet_addr**) are changed to functions, the lwIP header file is not required for external calling.|
| [I4FVGV](https://gitee.com/openharmony/kernel_liteos_m/issues/I4FVGV) | The default lwIP configuration of the LiteOS_M kernel is inappropriate.|
| [I4CE7D](https://gitee.com/openharmony/miscservices_inputmethod/issues/I4CE7D) | There is no necessary to start the input method after a 3-second delay.|
| [I4CFOO](https://gitee.com/openharmony/multimedia_media_lite/issues/I4CFOO) | After an application running on the Linux system records videos for multiple times, the size of the last recording file is 0 when the system is restarted without exiting the application.|
| [I4CLGW](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CLGW) | The page cache is inappropriate.|
| [I4HKQ2](https://gitee.com/openharmony/vendor_hisilicon/issues/I4HKQ2) | The mechanism for the LiteOS running on a mini-system board to obtain the UDID is inappropriate.|
| [I4FVJN](https://gitee.com/openharmony/startup_syspara_lite/issues/I4FVJN) | Mini system compilation fails because the dependency to mbedTLS is not added.|
| [I4CE7E](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CE7E) | **drivers/mtd/multi_partition/** in the LiteOS-A kernel is implemented by using the driver functions in **device/hisilicon**.|
**Table 4** Issues resolved for the standard system
| Issue No.| Description|
| -------- | -------- |
| [I4BX4J](https://gitee.com/openharmony/hiviewdfx_hicollie/issues/I4BX4J?from=project-issue) | The Hi3516D V300 board fails to call the **hicollie** interface.|
| [I4BX1X](https://gitee.com/openharmony/hiviewdfx_hitrace/issues/I4BX1X?from=project-issue) | The Hi3516D V300 board fails to call the **hitrace** interface.|
| [I4BVUL](https://gitee.com/openharmony/communication_wifi/issues/I4BVUL?from=project-issue) | When access points (APs) are changed, the success rate for networking between standard-system devices and mobile phones is 91%, lower than the expected value (98%).|
| [I4BW6E](https://gitee.com/openharmony/security_deviceauth/issues/I4BW6E) | During the test for networking between standard-system devices and mobile phones, when the mobile phone disables and enables the network access repeatedly for around 30 times, the networking fails.|
| [I4BVVW](https://gitee.com/openharmony/communication_dsoftbus/issues/I4BVVW) | During the test for networking between standard-system devices and mobile phones, when the Wi-Fi switch is turned on and off repeatedly, the networking success rate is 97%, lower than the expected value.|
| [I48YPH](https://gitee.com/openharmony/security_deviceauth/issues/I48YPH?from=project-issue) | During the test for discovery and networking performance, 3 out of 110 networking attempts fails.|
| [I4492M](https://gitee.com/openharmony/communication_dsoftbus/issues/I4492M) | The offline device detection takes about 30s longer than the specifications.|
| [I44W7U](https://gitee.com/openharmony/graphic_standard/issues/I44W7U?from=project-issue) | The child window does not support zooming. As a result, the progress bar is hidden during video playback.|
| [I480Z1](https://gitee.com/openharmony/communication_dsoftbus/issues/I480Z1?from=project-issue) | Softbus_server crashes when executing **socketfuzz**.|
| [I4BGLS](https://gitee.com/openharmony/security_deviceauth/issues/I4BGLS?from=project-issue) | The key imported by using `import_signed_auth_info_hilink` is used for identifying the HiChain connection. After the key is imported, it is encrypted and stored in the file and is not cleared from the heap after being returned.|
| [I4A10Q](https://gitee.com/openharmony/startup_appspawn/issues/I4A10Q?from=project-issue) | The performance of Hi3516 3.0.0.6 static KPIs deteriorates severely.|
| [I4BXYT](https://gitee.com/openharmony/developtools_hdc_standard/issues/I4BXYT) | After device restart, developers must run the **hdc_std kill** command to discover the device again.|
| [I4KUTY](https://gitee.com/openharmony/ace_engine_lite/issues/I4KUTY) | There are invalid return values.|
| [I4DMFV](https://gitee.com/openharmony/ark_js_runtime/issues/I4DMFV) | The conversion from UTF-16 to UTF-8 is inappropriate.|
| [I4HGVM](https://gitee.com/openharmony/communication_dsoftbus/issues/I4HGVM) | The dependency on mbedTLS is missing for the standard system.|
| [I4DLV2](https://gitee.com/openharmony/drivers_framework/issues/I4DLV2) | An invalid memory access error occurs due to the HidInfo\* type.|
| [I4CIJJ](https://gitee.com/openharmony/third_party_flutter/issues/I4CIJJ) | ACE does not support GPU rendering.|
| [I4G31Z](https://gitee.com/openharmony/third_party_freetype/issues/I4G31Z) | An update for the font engine version from 2.10.1 to 2.10.4 is unavailable.|
| [I4H06M](https://gitee.com/openharmony/third_party_harfbuzz/issues/I4H06M) | An update for the OpenType text shaping engine from 2.6.1 to 2.8.1 is unavailable.|
| [I4FS7V](https://gitee.com/openharmony/third_party_lwip/issues/I4FS7V) | The **LWIP\_NETCONN\_FULLDUPLEX** macro is not used to control the initialization of **conn->mbox\_threads\_waiting**.|
| [I43KL7](https://gitee.com/openharmony/graphic_standard/issues/I43KL7) | The synthesizer does not support GPU synthesis.|
## Known Issues
**Table 5** Known issues
| Issue No.| Description| Impact| To Be Resolved On|
| -------- | -------- | -------- | -------- |
| [I4NMXQ](https://gitee.com/openharmony/xts_acts/issues/I4NMXQ?from=project-issue) | The XTS test suites storagefileioperformancejstest and storagefilestabilityjstest cannot be automatically executed on a standard-system device.| This issue is caused by the XTS test suite framework. The test suites can only be manually executed. This issue does not affect functions.| 2022/01/30 |
| [I4NU92](https://gitee.com/openharmony/communication_wifi/issues/I4NU92) | Mini-system Hi3516_Linux: The ActsLwipTest.bin test suite has a failed test item.| The automatic test case fails to invoke the kernel to read time_out. This issue does not affect the communication function.| 2022/01/15 |
| [I4NTKG](https://gitee.com/openharmony/xts_acts/issues/I4NTKG) | Two failed items are displayed when the XTS test suite WeekPluralNumberTest is executed.| This is a test case issue and does not affect functions.| 2022/01/15 |
| [I4OWWM](https://gitee.com/openharmony/xts_acts/issues/I4OWWM) | The JSON file corresponding to the WeekPluralNumbertest module is incorrectly configured. During case execution, the error message "required device does not exist" is displayed.| The JSON file configuration is incorrect. This issue does not affect functions.| 2022/01/15 |
| [I4MSVV](https://gitee.com/openharmony/xts_acts/issues/I4MSVV?from=project-issue) | During the XTS test on the standard system, there are three failed items of the HiCollieCppTest cases in the ActsHiCollieCppTest module.| The test suite name is changed. As a result, the test case with the text verification function fails. This issue does not affect functions.| 2022/01/15 |
| [I4MSWM](https://gitee.com/openharmony/xts_acts/issues/I4MSWM?from=project-issue) | During the XTS test on the standard system, there is one failed item for faultloggertest in the ActsFaultLoggerTest module.| The test suite name is changed. As a result, the test case with the text verification function fails. This issue does not affect functions.| 2022/01/15 |
| [I4NODO](https://gitee.com/openharmony/device_manager/issues/I4NODO) | During the test for the Hi3516 board running on a standard-system device, the E2E test of the distributed service hopping fails.| The DM component fails to repeatedly create a group. This issue affects the services that use hopping in the same way as that described in the issue details. Other services are not affected.| 2022/01/30 |
