The purpose of baseline plugin is to ensure that any change in api get reflected in exported version of the package. Currently the baseline plugin compares against the immediate previous version.
This causes issue with unstable branches where new features are being implemented and which evolve over few minor release on the trunk. In such cases its possible that a new method expose in 1.7.1 gets removed later in 1.7.2 (as happened in
It would be better to configure baseline plugin to check against releases from stable branch so that we can ensure that package versions are properly aligned against stable versions