Note: with KSP

1.9.20-RC-1.0.13

it’s now required to explicitly apply the default hierarchy template. https://github.com/google/ksp/issues/1569 At the moment the warning is a little misleading as it doesn’t mention the option to explicitly apply the template.

cc @Ting-Yuan Huang

The fix also results in build failures with K2: https://github.com/google/ksp/issues/1570

Looking into it. Thanks for cc'ing me!