1# Bundle Manager Subsystem Changelog 2 3## cl.bundlemanager.1 Uncompressed Mode Adopted for libs During Packing 4 5**Access Level** 6 7Other 8 9**Reason for Change** 10 11By default, the packing tool packs **libs** in compressed mode. This operation decreases the size of the installation package while increasing the packing time. However, developers are more sensitive to the packing time in the development and debugging phase. As such, the packing tool is changed to pack **libs** in uncompressed mode by default. 12 13**Change Impact** 14 15This change is a compatible change. It affects the compressed mode of **libs** during packing. 16 17**Change Since** 18 19OpenHarmony SDK 4.1.3.5 20 21**Key API/Component Changes** 22 23Before the change, the packing tool packs **libs** in compressed mode by default. 24 25After the change, the packing tool packs **libs** in uncompressed mode by default. 26 27**Adaptation Guide** 28 29By default, the packing tool packs **libs** in uncompressed mode. To pack **libs** in compressed mode, set **compressNativeLibs** in the [module.json5 file](../../../application-dev/quick-start/module-configuration-file.md) to **true**. 30