1# ArkCompiler Subsystem Changelog 2 3## Fixed the Issue Where App Crashes Might Occur When Mega Functions Are Used 4 5**Access Level** 6 7Other 8 9**Reason for Change** 10 11The source code contains mega functions or classes. In some rare scenarios, incorrect bytecode files are compiled, causing a crash or running error. The crash information is "Reason:Signal:SIGSEGV" or "Segmentation Fault." 12 13**Change Impact** 14 15This change is a non-compatible change. 16 17Before the change, a crash or running error may occur in specific scenarios. 18 19After the change, the issue is resolved. 20 21**Start API Level** 22 2312 24 25**Change Since** 26 27OpenHarmony SDK 5.0.0.39 28 29**Key API/Component Changes** 30 31N/A 32 33**Adaptation Guide** 34 35Update the OpenHarmony SDK to 5.0.0.39 or later, and rebuild the application. 36