9e8e5c5a36
Previously, it worked by default because ProhibitUsingNullableTypeParameterAgainstNotNullAnnotated was enabled by default since 1.8, but we have to disable it because of KT-55357 Turning off the fix by default is not a breaking change per se, because 1.8 has not yet been released. ^KT-55357 Related ^KT-36770 Related ^KT-53041 Open