https://flutter-flutter-perf.skia.org/e/?begin=1604242084&end=1604571480&keys=X3a8d39b49bc8119825b0b6aeb766da91&requestType=0&xbaroffset=22352

Affects the following metrics:

flutter_repo_batch MatrixUtils_persp_transformPoint_iteration bench_update_many_child_layers.html.drawFrameDuration.average bench_update_many_child_layers.html.totalUiFrame.average flutter_repo_batch_minimum flutter_repo_watchflutter_repo_watch_minimum flutter_repo_watch_maximum

Looks like it may be engine roll #69709.