Fixes Drupal core issue:
#2816859: Allow the 'step' to be configured as a NumberWidget setting
Also, fixed:
#2940895: Update schema definition
Fixes following Drupal Commerce issues:
Updated Readme.md
Migrated to stable version of Bootstrap 4
Changed after last Beta 4 release:
This is a temporary development release so that the module is usable (via composer). There will be a new release soon (~2 weeks) with a lot of issue fixes and major refactoring.
This is maintenance release for Relation. No new major features but some some smaller improvements are included in addition to several bug fixes.