1# Bundle Management Subsystem Changelog 2 3## cl.bundlemanager.1 Bottom-Layer Capability Changed 4 5When the SDK of API version 9 or an earlier version is used to compile the HAP, the resource files of the HAP are decompressed after the HAP is installed. 6 7When the SDK of API version 10 or a later version is used to compile the HAP, the resource files of the HAP are not decompressed after the HAP is installed. 8 9**Change Impact** 10 11If the SDK of API version 9 or earlier is used, no adaptation is required. 12 13If the SDK of API version 10 or a later version is used and your application accesses resource files by combining paths, adaptation is required. If your application does not access resource files by combining paths, adaptation is not required. 14 15**Key API/Component Changes** 16 17No API or component change is involved. 18 19**Adaptation Guide** 20 21The resource manager subsystem provides JS APIs for accessing resource files. 22 23Reference: [Accessing Resource Files](../../../application-dev/reference/apis/js-apis-resource-manager.md#getrawfilecontent9)