1# ArkUI Subsystem Changelog 2 3## cl.arkui.1 Change in the Default Width of the Linear Style of the Progress Component 4 5**Access Level** 6 7Public API 8 9**Reason for Change** 10 11The previous default width of 300 vp for the linear style of the **Progress** component does not align with the UX specifications. 12 13**Change Impact** 14 15This change is a non-compatible change. With this change, the default width of the linear style of the **Progress** component will now adapt to the width of its parent component, offering increased flexibility. 16 17**API Level** 18 198 20 21**Change Since** 22 23OpenHarmony SDK 4.1.6.6 24 25**Key API/Component Changes** 26 27Before change: In versions earlier than OpenHarmony SDK 4.1.6.6, the default width of the linear style of the **Progress** component is 300 vp. 28 29 30 31After change: Since OpenHarmony SDK 4.1.6.6, the default width of the linear style of the **Progress** component dynamically adjusts to match the width of its parent component. 32 33 34 35**Adaptation Guide** 36 37After this change, if the width of the **Progress** component in linear style does not meet your requirements, you can manually set the [width](../../../application-dev/reference/apis-arkui/arkui-ts/ts-universal-attributes-size.md#width) attribute to achieve the desired layout. 38