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<code>JRuby --help</code> fails if PAGER has an option

Status: Open.

#9026 In jruby/jruby;

· nobu opened on Oct 9, 2025

IO.copy_stream mishandles intermediate empty strings

Status: Open.

#9022 In jruby/jruby;

· HoneyryderChuck opened on Oct 7, 2025

can not use Java class with static hash() method

java integration

regression

Status: Open.

#9017 In jruby/jruby;

· kares opened on Sep 30, 2025

· 

JRuby 10.0.3.0

Encoding a string with undefined chars fails with NoMethodError

beginner

core

Status: Open.

#9009 In jruby/jruby;

· kares opened on Sep 18, 2025

warning message:

Status: Open.

#9008 In jruby/jruby;

· coderextreme opened on Sep 17, 2025

JRuby 9.4.14.0 "wrong number of arguments" when jit.threshold=0

Status: Open.

#9000 In jruby/jruby;

· jsvd opened on Sep 8, 2025

CPU profiler not working

Status: Open.

#8999 In jruby/jruby;

· mauliktrapas opened on Sep 7, 2025

Zlib::GzipReader#readline ArgumentError

Status: Open.

#8997 In jruby/jruby;

· naitoh opened on Sep 6, 2025

Jruby_prism_parser loads same Java packages as prism gem

Status: Open.

#8993 In jruby/jruby;

· enebo opened on Sep 4, 2025

File.absolute_path returns absolute path for relative classpath:uri

Status: Open.

#8981 In jruby/jruby;

· headius opened on Aug 27, 2025

Regression in keyword argument matching in JRuby v10.0.1.0

Status: Open.

#8976 In jruby/jruby;

· floehopper opened on Aug 26, 2025

File.realpath("a", nil) gives TypeError but should be Errno::ENOENT

Status: Open.

#8972 In jruby/jruby;

· eregon opened on Aug 23, 2025