harmony 鸿蒙Readme

2023-06-24
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Subsystem	Change Type	Change Description
Common	Verification enhanced	Permission verification enhanced for system APIs. Now only system applications are allowed to use system APIs. If third-party applications use a system API, error 202 is returned.
Ability framework	Behavior changed	In the appRecovery API, the enum names of RestartFlag are changed from NO_RESTART upon a specific fault to RESTART upon a specific fault.
Multi-language runtime subsystem	Parsing rule changed	LLVM parsing format changed. When your code depends on the version-script or -gcc-toolchain option, parsing may fail if you continue to use the original LLVM 12 configuration file or options.
Multi-language runtime subsystem	Verification enhanced	New alarms are added and existing alarms are enhanced along with the upgrade from LLVM 12 to LLVM 15
Multi-language runtime subsystem	Verification enhanced	LLVM emu-tls is changed. If you use both LLVM 12 and LLVM 15, the emu-tls symbol cannot be found in libc++.so.
Multi-language runtime subsystem	Verification enhanced	New features and internal interface changes in the official release of LLVM 15 are inherited.
ArkUI	Behavior changed	The stack layout issue is fixed.
ArkUI	Default value changed	The default state of the scrollbar in the <List> and <Gird> components is changed.
ArkUI	UX changed	The hover effect of the <Button> component is changed from scale-up by 100% to 105% to overlay of 0% to 5% opacity.
ArkUI	UX changed	The alignment mode of multi-line text in toasts is changed from center-aligned to left-aligned.
Bundle management subsystem	Mechanism changed	The HAP is no longer decompressed during HAP installation.
Globalization	API added	The getStringSync and getStringByNameSync APIs are added.
Globalization	Behavior changed	The meaning of the return value for the API used to obtain the rawfile descriptor is changed.
Security-HUKS	Behavior changed	HuksKeyStorageType must be passed in for key derivation or key agreement.
Security-HUKS	Behavior changed	Permission is required for Using attestKeyItem.
Web	Input parameter added	The input parameter type Resource is added for the setResponseData API.
Resource scheduler subsystem	Behavior changed	The reminder agent allows you to customize buttons for system applications. Clicking a custom button will redirect you to the specified application page.