Changelog for ruby2.5-rubygem-activemodel-doc-5.2-5.2.1.1-1.1.x86_64.rpm :
Mon Dec 3 13:00:00 2018 mschnitzerAATTsuse.com
- updated to version 5.2.1.1 (boo#1118076)

* No changes / Just a version bump to match with Rails 5.2.1.1

Wed Aug 8 14:00:00 2018 mschnitzerAATTsuse.com
- updated to version 5.2.1 (boo#1104209)

* No changes / just aligned to Rails version 5.2.1

Mon Apr 16 14:00:00 2018 mschnitzerAATTsuse.com
- initialize package
see changelog: https://github.com/rails/rails/blob/v5.2.0/activemodel/CHANGELOG.md