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Difference in what caller returns in JRuby 10.1 and Ruby 4.0

Status: Open.

#9395 In jruby/jruby;

· katafrakt opened on Apr 23, 2026

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JRuby 10.1.1.0

Explore hash-smith for implementing Hash and Set

Status: Open.

#9394 In jruby/jruby;

· headius opened on Apr 23, 2026

[10.1.0.0] Java::JavaLang::IllegalArgumentException: argument type mismatch

Status: Open.

#9393 In jruby/jruby;

· boris-petrov opened on Apr 22, 2026

Introduce a second HashEntry for simpler cases

Status: Open.

#9392 In jruby/jruby;

· headius opened on Apr 22, 2026

JRuby 9.4.8.0 AOT: compiled .class silently drops Hash#select! mutations inside Hash#each — no error, wrong result

Status: Open.

#9378 In jruby/jruby;

· rgenisson opened on Apr 17, 2026

Checking out aws-sdk-ruby creates a file with binary data.

Status: Open.

#9377 In jruby/jruby;

· skunkworker opened on Apr 16, 2026

instance_exec block argument destructuring when default value passed

Status: Open.

#9375 In jruby/jruby;

· katafrakt opened on Apr 15, 2026

Hash as literal Array is marked as kwargs

parser

Status: Open.

#9370 In jruby/jruby;

· headius opened on Apr 8, 2026

·  

JRuby 10.1.1.0

Optimize alias invocation

performance

Status: Open.

#9350 In jruby/jruby;

· headius opened on Mar 31, 2026

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JRuby 10.1.1.0

Track EOL releases in wiki and other sources

Status: Open.

#9333 In jruby/jruby;

· headius opened on Mar 27, 2026

Wrong union-by-value argument passing in JRuby

Status: Open.

#9329 In jruby/jruby;

· larskanis opened on Mar 25, 2026

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JRuby 10.0.6.0

Spurious Struct#initialize keyword argument warning re-occurring

Status: Open.

#9328 In jruby/jruby;

· rossroberts-toast opened on Mar 24, 2026

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JRuby 10.0.6.0