mod=example.com/basic
version=v1.1.0
base=v1.0.1
release=v1.1.0
proxyVersions=example.com/basic@v1.0.1
-- want --
example.com/basic/a
-------------------
Compatible changes:
- A2: added

example.com/basic/b
-------------------
Compatible changes:
- package added

v1.1.0 is a valid semantic version for this release.