Why Ruby's Issue Tracker Still Links to a 1991 Paper About Floating-Point Numbers July 8, 2026 If you've ever been surprised by this in Ruby: (2.0 - 1.1) == 0.9 # => false you're not alone. Many developers initially assume this is a Ruby bug. It isn't. In fact, Ruby's own issue tracker includes a … Continue reading Why Ruby’s Issue Tracker Still Links to a 1991 Paper About Floating-Point Numbers →