The Second Oldest Bug in Ruby - Fixing Large Argument Handling

Explore the history and resolution of one of Ruby's oldest bugs in this RubyConf 2023 talk. Dive into the intricacies of handling methods with a large number of arguments, tracing the evolution from core dumps in early versions to the current state in Ruby 3.2. Gain insights into stacks, heaps, and argument handling during method dispatch. Learn how this long-standing issue, reported over 12 years ago, was finally addressed in Ruby 3.3, and understand the technical challenges involved in fixing methods defined in C.