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•Last updated Jul 8, 2026

Bugs that are duplicates, not actually bugs, or user mistakes should go here.

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`java.util.ArrayList#include?` returns false incorrectly (9.1.3.0 onwards)

#5569

· betesh opened

on Jan 21, 2019

Add a simple deadlock detector for require locks.

jruby/jruby

#4095

· headius opened

on Aug 20, 2016