Flutter is integrated in the project as a plug-in, there is no problem before, but now in order to support ios14, must upgrade the xcode, upgrade will waste
To quote the following error, someone had

Thread 7: signal SIGABRT

(1187, 0 x16bd9f000) malloc: Incorrect checksum for freed object 0 x10db5c200: probably modified after being freed.
Corrupt the value: 0 x20202270
(1187, 0 x16bd9f000) malloc: * * * set a breakpoint in malloc_error_break to debug
(1187, 0 x16bd9f000) malloc: Incorrect checksum for freed object 0 x10db5c200: probably modified after being freed.
Corrupt the value: 0 x20202270

IO. Flutter. 2. The raster (27) : signal SIGABRT