No meaningful functional changes in this release. This release is primarily serving as a bridge release for ending support of versions of Ruby that are no longer supported, and introducing support for Ruby 2.4.0 without deprecation warnings. Details below.
or CSS3 selectors.
## Features
* Remove deprecation warnings in Ruby 2.4.0 (#1545) (Thanks, @matthewd!)
* Support egcc compiler on OpenBSD (#1543) (Thanks, @frenkel and @knu!)
## Backwards incompatibilities.
This release ends support for:
* Ruby 1.9.2, for which official support ended on 2014-07-31
* Ruby 1.9.3, for which official support ended on 2015-02-23
* Ruby 2.0.0, for which official support ended on 2016-02-24