Changelog for ruby2.7-doc-2.7.0-1.1.x86_64.rpm :

* Sat Dec 28 2019 mrueckertAATTsuse.de- update to final release of 2.7.0 http://www.ruby-lang.org/en/news/2019/12/25/ruby-2-7-0-released/- update the use-pie.patch to apply cleanly again
* Tue Jul 09 2019 mrueckertAATTsuse.de- fix running tests (boo#1140844) just passing the DISABLED_TESTS variable is wrong. probably a relict from calling the test scripts directly. use TESTOPTS now.
* Sun Jun 23 2019 mrueckertAATTsuse.de- add gmp to the buildrequires
* Sat Jun 22 2019 mrueckertAATTsuse.de- starting package with 2.7.0-preview1