1# Bundle Manager Subsystem Changelog 2 3## cl.bundlemanager.1 Default Compression Behavior Changed for APP File Packaging with the Packing Tool 4 5**Access Level** 6 7Other 8 9**Reason for Change** 10 11The packaging specifications are changed. APP files are packaged in compression mode to reduce the size of applications to be released. The size of a single package of an atomic service cannot exceed 2 MB. 12 13**Change Impact** 14 15This change is a non-compatible change. In release mode, compression is enabled by default during APP file packaging, which slows down the packaging speed. This change is not introduced in debug mode. The size of a single atomic service package cannot exceed 2 MB. 16 17**Start API Level** 18 19N/A 20 21**Change Since** 22 23OpenHarmony SDK 5.0.0.33 24 25**Key API/Component Changes** 26 27Packing tool 28 29**Adaptation Guide** 30 31No adaptation is required. 32 33## cl.bundlemanager.2 Verification Rules of the Packing Tool Changed for Atomic Service Widgets and Snapshots 34 35**Access Level** 36 37Other 38 39**Reason for Change** 40 41Removed the restriction that an atomic service must contain at least one 2 x 2 widget. An atomic service can provide no widget. However, if a widget is provided, snapshots of all sizes configured for the widget must be available. 42 43**Change Impact** 44 45This change is a non-compatible change. After the change, if there is a widget, snapshots of all sizes configured for the widget must be provided. Otherwise, the packaging fails. 46 47**Start API Level** 48 49N/A 50 51**Change Since** 52 53OpenHarmony SDK 5.0.0.33 54 55**Key API/Component Changes** 56 57Packing tool 58 59**Adaptation Guide** 60 61Provide snapshots of all sizes configured for the widget. 62