JRuby 10.0.7.0

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Wrong union-by-value argument passing in JRuby

Status: Open.

#9329 In jruby/jruby;

· larskanis opened on Mar 25, 2026

Spurious Struct#initialize keyword argument warning re-occurring

Status: Open.

#9328 In jruby/jruby;

· rossroberts-toast opened on Mar 24, 2026

Problem with logger in JRuby 10.0.4.0

Status: Open.

#9294 In jruby/jruby;

· brometeo opened on Mar 6, 2026

NullPointerException in CacheEntry.typeOk during DefineModuleInstr on JRuby 10.0.4.0

Status: Open.

#9296 In jruby/jruby;

· brometeo opened on Mar 9, 2026

Open3.capture3 fails to capture subprocess stdout in embedded ScriptingContainer

Status: Open.

#9291 In jruby/jruby;

· rossroberts-toast opened on Mar 4, 2026

Default to universal newline conversion on Windows

Status: Open (in progress).

jruby/jrubynumber 9067

#9067 In jruby/jruby;

· headius opened on Nov 8, 2025

[Java 26 Leyden] AOT Cache breaks dynamic Ruby proxies for classes loaded from external JARs

Status: Open.

#9319 In jruby/jruby;

· gillesbergerp opened on Mar 20, 2026

jruby 10.0.3.0 on Linux 64bit - can not have non-empty directory in paths

Status: Open.

#9255 In jruby/jruby;

· rubyFeedback opened on Feb 21, 2026

Memory Leak in BiVariableMap when Sharing Variables is enabled

Status: Open.

#8527 In jruby/jruby;

· matthias-fratz-bsz opened on Dec 16, 2024

File.open w/ File::RDWR should write \r\n but gets should read as \n after rewind on windows

windows

Status: Open.

#3742 In jruby/jruby;

· enebo opened on Mar 17, 2016

ASM update

Status: Open (in progress).

jruby/jrubynumber 9485

#9485 In jruby/jruby;

· headius opened on Jun 9, 2026

Redis::ConnectionError with JRuby 10

regression

Status: Open.

#8786 In jruby/jruby;

· ankane opened on Apr 20, 2025

AppCDS warning on startup for JRuby 10.1 on OpenBSD

Status: Open.

#9413 In jruby/jruby;

· jeremyevans opened on May 3, 2026

Use Integer for JRuby VM messages

Status: Open (in progress).

jruby/jrubynumber 9499

#9499 In jruby/jruby;

· lloeki opened on Jun 18, 2026

jruby/vm integer messages fail on JRuby 10 due to Fixnum reference

Status: Open.

#9498 In jruby/jruby;

· lloeki opened on Jun 18, 2026

Data subclasses in net-imap are losing fields

Status: Open.

#9530 In jruby/jruby;

· headius opened on Jul 16, 2026

starttls test in net-imap hangs the suite

Status: Open.

#9529 In jruby/jruby;

· headius opened on Jul 16, 2026