Baseline: d37762b494a4e122d46a5a71e3a8cc77fa15aa25
Cherry picks:
+ f14c99e83b339a3f926285f62807a03dea3b0479:
Automated rollback of commit
a091d90cded797ce8f6206b56ffd6f89e27e2c76.
+ eb70fc222755a4249759729587600de828029e71:
Keep aspects that relate to uncleared configured targets from
being cleared.
+ e22a6938b411b3ba29a8bfcf2a18208bf28d04b0:
Automated rollback of commit
76a214932da4a9dcf73d3cfe9313e0172d20e630.
Incompatible changes:
- On Windows, the default msys64 root is changed to `C:/msys64`
instead of `C:/tools/msys64`.
Important changes:
- `distribs()` at the package level is no longer legal syntax. It
may still be set on individual targets, even though it is a no-op.
This release contains contributions from many people at Google, as well as dependabot[bot], Fabian Meumertzheim, Son Luong Ngoc, Spencer Putt, Xdng Yng.