Ruby 2.7 adds Time#ceil and Time#floor methodsRuby 2.7 adds Time#ceil and Time#floor methods to round up and down the decimal part of Time (nanosecond) to the specified digit
Ruby 2.7 adds beginless rangeA beginless range is experimentally introduced in ruby 2.7.
Ruby 2.7 adds Enumerable#filter_mapRuby 2.7 has added Enumerable#filter_map as a shorthand for filter + map in a single call
Ruby 2.7 adds Enumerable#tallyRuby 2.7 has added Enumerable#tally. It helps to tally occurrences of elements in an Enumerable.
Ruby 2.7 adds shorthand operator for Object#methodRuby 2.7 adds experimental shorthand operator for Object#method. Allows method object access using :, example File.:basename