JRuby 1.4RC1 is out and brings 1.8.7 compatibility, improved Java integration, a Windows installer, a new YAML parser as well as a new embedding API.
JRuby 1.4 is coming up with 1.8.7 support and improved Java integration. First builds that bundle JRuby and MLVM are available. Also: JRubyConf's program has been announced - and some more seats are available.
The JRuby team has added Ruby 1.8.7 compatibility to the current JRuby trunk. Android received some more attention with JRuby support for the Android Scripting Environment as well as a JRuby irb app. Also: the bcrypt-ruby library for hashing passwords is now available for JRuby, as well as Ruby 1.9.
Sun's JRuby team, Charles Nutter, Tom Enebo, Nick Sieger, will leave Sun and join EngineYard, where they'll continue work on JRuby. YAML support was improved with Ola Bini's work on a new YAML parser. Also: a look at how to run JRuby under OSGi and the upcoming JRuby Installer.
Ruby 1.9.2 Preview 1 is now available and brings API improvements such as Method#parameters, GC optimization for long lived objects, and more. Also: to keep up to speed with Ruby implementations, David A. Black announced ruby-versions.net which provides a long list of MRI versions as well as JRuby, Rubinius and REE installations.
Martin Fowler talks about ThoughtWorks's experience with using Ruby on client projects for the past three years, and the creation of a Ruby-based product 'Mingle'.
Scala has been receiving much attention lately as a possible candidate to replace Java in the future. James Strachan creator of Groovy advocates in favor of Scala as James Gosling, creator of Java and Charles Nutter JRuby Core Developer, have done in the past.
The Android Scripting Environment (ASE) project adds scripting functionality to Android. The native versions of languages like Lua and Python can script Android APIs exposed via JSON-RPC. Support for Ruby, as well as JVM-based languages is planned as well.
MacRuby joins the ranks of JRuby and IronRuby and moved away from Ruby 1.9's Global Interpreter Lock (GIL) in the experimental branch.
IronRuby's alive and kicking - and will go 1.0 in July. We look at some resources to get up to speed with IronRuby's status. Also: JRuby 1.3.1 is an important bug fix update for JRuby users, MacRuby continues to improve and MagLev now comes with a native parser.
A DoS vulnerability has been found in all Ruby 1.8.x versions, fixes are now available in 1.8.6-p369 and 1.8.7-p173. Current JRuby versions also seem to be affected.
JRuby 1.3 is now available, bringing performance improvements and compatibility with Google AppEngine. Work on other improvements is continuing and a first version of the ruby2java compiler is now available. Also: InvokeDynamic support is making it's way into the builds for the next Java version.
Aaron Patterson has a solution for native Windows RubyGems that support both Ruby 1.8 and 1.9 at the same time: fat binary gems. Is It JRuby.com tracks JRuby compatibility for popular Gems; and some new RubyGems plugins emerged.
GitHub now offers an installable version of the service for users who want to keep their code inside their network - and it's built on JRuby. TorqueBox is a new solution for running JRuby on Rails on JBoss, complete with integration for job queues and SIP integration Also: EngineYard announced it will start providing JRuby as a hosting option in July.
Dmitry Jemerov is the lead developer of the RubyMine IDE project at JetBrains. RubyMine is the new integrated development environment from JetBrains focusing on helping Ruby and Ruby on Rails developers be more productive and efficient programmers.