I know that there is ongoing work in this regard, but what is the exact compatibility status of JRUby 1.3 with Ruby 1.9.1? I am a bit confused if I can dwnload jruby 1.3 and start working with my ruby 1.9 installation.
The JRuby homepage says: * Compatibility with Ruby 1.8.6 * Compatibility with Ruby 1.9
Wikipedia says the following:
Release history
Only releases that represent significant steps in JRuby’s history are presented in this table, in addition to versions that mostly fix bugs and improve performance. Release Release Date 0.9 2006-08-01 Rails Support [11] 1.1 2008-03-28 Performs Better Than Ruby MRI 1.8.7 [6] AOT Mode and JIT Mode [21] 1.1.4 2008-08-28 Implemented Level Java integration Start of support for Ruby 1.9 FFI subsystem for calling libraries C [22]
1.2.0 2009-03-16 Support for Ruby 1.9 is almost complete (including the JIT compiler)
Preliminary support for Android
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