# 3.1 12/25/2021 * Feature #17750: Update Unicode data to Unicode Version 13.0.0 * Bug #18028: test/ruby/enc/test_emoji_breaks.rb does not deal with Unicode ranges in file emoji-sequences.txt * Feature #18029: Update Unicode Emoji version to 13.1 * Feature #18037: Update Unicode data to Unicode Version 14.0.0 * Feature #17845: Windows Ruby - ucrt build? * Bug #18018: Float#floor / truncate sometimes result that is too small. * Feature #18231: `RubyVM.keep_script_lines` * Feature #17500: Move RubyVM::* to ExperimentalFeatures * Feature #17752: Enable -Wundef for C extensions in repository * Feature #17601: lib/benchmark: adding `Benchmark::Tms#to_h` * Bug #18027: test/ruby/enc/test_emoji_breaks.rb does not use the file emoji-variation-sequences.txt * Feature #16456: Ruby 2.7 argument delegation (...) should be its own kind of parameter in Method#parameters * Bug #18449: Bug in 3.1 regexp literals with \c