See: https://flutter-flutter-perf.skia.org/e/?begin=1681173515&end=1681183285&keys=Xb21246d4468ffbe9c99b6dd606e4b490&selected=commit%3D34297%26name%3D%252Carch%253Dintel%252Cbranch%253Dmaster%252Cconfig%253Ddefault%252Cdevice_type%253DiPhone_11%252Cdevice_version%253Dnone%252Chost_type%253Dmac%252Csub_result%253Drelease_size_bytes%252Ctest%253Dcomplex_layout_ios__compile%252C&xbaroffset=34296

https://flutter-flutter-perf.skia.org/e/?begin=1681168801&end=1681183285&keys=X955c14461efc5582079c46ce5fa7e29c&selected=commit%3D34297%26name%3D%252Carch%253Darm%252Cbranch%253Dmaster%252Cconfig%253Ddefault%252Cdevice_type%253DiPhone_11%252Cdevice_version%253Dnone%252Chost_type%253Dmac%252Csub_result%253Dflutter_framework_uncompressed_bytes%252Ctest%253Dhello_world_ios__compile%252C&xbaroffset=34295

Compressed size bytes has nearly doubled on hello_world

This happend on #124562 . I suspect it was probably flutter/engine#40844 .