Regressions were introduced in :
bf326784d8bcb141f9a7358ec43302620552d19b
5c76d31f623519723e5f1210b42a7a063a78f82c
cbbbb57479aff7bf0044cfbb5f57f3e75114bd2d
0135796ad1f0dc903978298444e0ecc2037e85e9