2503-163 vs. 2503-156 / mtl-osx-m1 / f-zero-rain

2503-163 (e0032b3e) Diff 2503-156 (662cfa38)
Failure 50a936466e39eee146dea40ca1cda7e42862cb9a
Failure 5579b87aeb265d5f025b65766d5e7c70bbdcf476
Failure 9eeec5742e867298a0e2a10c8f6c3f98af40809b