1# OpenHarmony 3.1.6 Release 2 3 4## Version Description 5 6OpenHarmony 3.1.6 Release provides enhanced system security over OpenHarmony 3.1.5 Release by rectifying memory leak issues, certain known vulnerabilities in open-source components such as Linux kernel, and system stability issues. The matching SDK version is also updated. 7 8 9## Version Mapping 10 11 **Table 1** Version mapping of software and tools 12 13| Software/Tool| Version| Remarks| 14| -------- | -------- | -------- | 15| OpenHarmony | 3.1.6 Release | NA | 16| Full SDK | Ohos_sdk_full 3.1.12.5 (API Version 8 Release)| This toolkit is intended for original equipment manufacturers (OEMs) and contains system APIs that require system permissions.<br>To use the Full SDK, you must manually obtain it from the mirror and switch to it in DevEco Studio. For details, see [Guide to Switching to Full SDK](../application-dev/faqs/full-sdk-switch-guide.md).| 17| Public SDK | Ohos_sdk_public 3.1.12.5 (API Version 8 Release)| This toolkit is intended for application developers and does not contain system APIs that require system permissions.<br>It is provided as standard in DevEco Studio 3.0 Beta4 or later.| 18| (Optional) HUAWEI DevEco Studio| 3.1 Preview for OpenHarmony| Recommended for developing OpenHarmony applications| 19| (Optional) HUAWEI DevEco Device Tool| 3.0 Release| Recommended for developing OpenHarmony smart devices| 20 21 22## Source Code Acquisition 23 24 25### Prerequisites 26 271. Register your account with Gitee. 28 292. Register an SSH public key for access to Gitee. 30 313. Install the [git client](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git) and [git-lfs](https://gitee.com/vcs-all-in-one/git-lfs?_from=gitee_search#downloading), and configure user information. 32 33 ``` 34 git config --global user.name "yourname" 35 git config --global user.email "your-email-address" 36 git config --global credential.helper store 37 ``` 38 394. Run the following commands to install the **repo** tool: 40 41 ``` 42 curl -s https://gitee.com/oschina/repo/raw/fork_flow/repo-py3 > /usr/local/bin/repo # If you do not have the permission, download the tool to another directory and configure it as an environment variable by running the chmod a+x /usr/local/bin/repo command. 43 pip3 install -i https://repo.huaweicloud.com/repository/pypi/simple requests 44 ``` 45 46 47### Acquiring Source Code Using the repo Tool 48 49**Method 1 (recommended)** 50 51Use the **repo** tool to download the source code over SSH. (You must have an SSH public key for access to Gitee.) 52 53 54``` 55repo init -u git@gitee.com:openharmony/manifest.git -b refs/tags/OpenHarmony-v3.1.6-Release --no-repo-verify 56repo sync -c 57repo forall -c 'git lfs pull' 58``` 59 60**Method 2** 61 62Use the **repo** tool to download the source code over HTTPS. 63 64 65``` 66repo init -u https://gitee.com/openharmony/manifest.git -b refs/tags/OpenHarmony-v3.1.6-Release --no-repo-verify 67repo sync -c 68repo forall -c 'git lfs pull' 69``` 70 71 72### Acquiring Source Code from Mirrors 73 74**Table 2** Mirrors for acquiring source code 75 76| Source Code| Version| Mirror| SHA-256 Checksum| 77| -------- | -------- | -------- | -------- | 78| Full code base (for mini, small, and standard systems)| 3.1.6 Release| [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/code-v3.1.6-Release.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/code-v3.1.6-Release.tar.gz.sha256) | 79| Hi3516 standard system solution (binary)| 3.1.6 Release| [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/standard_hi3516.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/standard_hi3516.tar.gz.sha256) | 80| RK3568 standard system solution (binary)| 3.1.6 Release| [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/standard_rk3568.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/standard_rk3568.tar.gz.sha256) | 81| Hi3861 mini system solution (binary)| 3.1.6 Release| [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/hispark_pegasus.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/hispark_pegasus.tar.gz.sha256) | 82| Hi3516 small system solution - LiteOS (binary)| 3.1.6 Release| [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/hispark_taurus.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/hispark_taurus.tar.gz.sha256) | 83| Hi3516 small system solution - Linux (binary)| 3.1.6 Release| [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/hispark_taurus_linux.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/hispark_taurus_linux.tar.gz.sha256) | 84| Full SDK package for the standard system (macOS)| 3.1.12.5 | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-mac-full.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-mac-full.tar.gz.sha256) | 85| Full SDK package for the standard system (Windows/Linux)| 3.1.12.5 | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-full.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-full.tar.gz.sha256) | 86| Public SDK package for the standard system (macOS)| 3.1.12.5 | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-mac-public.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-mac-public.tar.gz.sha256) | 87| Public SDK package for the standard system (Windows/Linux)| 3.1.12.5 | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-public.tar.gz) | [Download](https://mirrors.huaweicloud.com/openharmony/os/3.1.6/ohos-sdk-public.tar.gz.sha256) | 88 89 90## What's New 91 92This version has the following updates to OpenHarmony 3.1.5 Release. 93 94 95### Feature Updates 96 97This version does not involve feature updates. 98 99### API Updates 100 101This version does not involve API updates. 102 103### Chip and Development Board Adaptation 104 105For details about the adaptation status, see [SIG_DevBoard](https://gitee.com/openharmony/community/blob/master/sig/sig_devboard/sig_devboard.md). 106 107 108### Resolved Issues 109 110**Table 3** Resolved issues 111 112| Subsystem | Description | 113| ------------------ | ------------------------------------------------------------ | 114| Application subsystem | The JS crash occurs multiple times in the updateCallTimeList stack of the com.ohos.callui application. ([I5LWIW](https://gitee.com/openharmony/applications_call/issues/I5LWIW))| 115| Globalization subsystem | The exception stack libglobal_resmgr.z.so occurs multiple times in the com.ohos.launch thread of the key process com.ohos.launcher. ([I5LT0M](https://gitee.com/openharmony/global_resource_management/issues/I5LT0M))<br>The exception stack libglobal_resmgr.z.so occurs multiple times in the 2.ui thread of the com.ohos.permissionmanager process. ([I68J7P](https://gitee.com/openharmony/global_resource_management/issues/I68J7P))| 116| Misc services subsystem| The CPP crash occurs in the com.example.kikakeyboard process of libinputmethod_client.z.so. ([I66W3B](https://gitee.com/openharmony/inputmethod_imf/issues/I66W3B))<br>The CPP crash occurs during a pressure test using a tool. ([I65K13](https://gitee.com/openharmony/inputmethod_imf/issues/I65K13))| 117| Distributed hardware | The JS crash occurs multiple times in com.ohos.devicemanagerui. ([I69LD9](https://gitee.com/openharmony/distributedhardware_device_manager/issues/I69LD9))| 118| DSoftBus | Media resources of the peer device cannot be displayed after the distributed Gallery network is restarted. ([I674LD](https://gitee.com/openharmony/applications_photos/issues/I674LD))| 119 120 121### Fixed Security Vulnerabilities 122 123**Table 4** Fixed security vulnerabilities 124 125| Issue No.| Description| PR Link| 126| -------- | -------- | -------- | 127| I5UI5A | Security vulnerabilities of the kernel_linux_5.10 component: CVE-2022-41218, CVE-2022-3424, CVE-2022-42328, CVE-2022-3643, and CVE-2022-47946| [PR](https://gitee.com/openharmony/kernel_linux_5.10/pulls/646) | 128| I69WX6 | Security vulnerability of the ffmpeg component: CVE-2022-3341 | [PR](https://gitee.com/openharmony/third_party_ffmpeg/pulls/74) | 129| I68JS0 | Security vulnerability of the ffmpeg component: CVE-2022-3109 | [PR](https://gitee.com/openharmony/third_party_ffmpeg/pulls/71) | 130| I671DT | Security vulnerabilities of the curl component: CVE-2022-43551 and CVE-2022-43552 | [PR](https://gitee.com/openharmony/third_party_curl/pulls/99) | 131| I6A4YJ | Security vulnerability of the kernel_linux_5.10 component: CVE-2022-20568 | [PR](https://gitee.com/openharmony/kernel_linux_5.10/pulls/629) | 132| I6A55C | Security vulnerability of the kernel_linux_5.10 component: CVE-2023-0047 | [PR](https://gitee.com/openharmony/kernel_linux_5.10/pulls/631) | 133 134## Known Issues 135 136**Table 5** Known issues 137 138| Issue No. | Description | Impact | To Be Resolved By| 139| ------------------------------------------------------------ | ---------------------------------------------------------- | ---------------- | ------------ | 140| [I6AF0Y](https://gitee.com/openharmony/ability_ability_runtime/issues/I6AF0Y) | When two windows are paired in split-screen mode, if one window is closed, the other window is also closed.| Exiting the split-screen mode does not take effect.| 2023/02/15 | 141