• Officially drop support for running with older Ruby versions
• More thoroughly handle Shellwords escaping (#1323)
• Handle non-integer version number comparisons (#1305)
• Better handling of splat/kwsplat arguments (#1204)
• Handle ** inside Hash literals
• Add support for CoffeeScript in Slim templates
• Improve support for embedded template "filters"
• Remove Sass dependency
• Avoid joining strings with different encodings
• Improve "user input" reported for SQL injection
• Stop swallowing exceptions in AliasProcessor
• Add original exception to Tracker#errors list
• Use FileParser in Scanner to parse files
• Set location information in CheckContentTag
• Update RubyParser to 3.13.0