[Ironruby-core] MRI 1.8.7 compatibility
Jimmy.Schementi at microsoft.com
Mon Feb 15 17:22:12 EST 2010
Good point, but slight overreaction =)
Running Rails 3 and being 1.8.7 compatible can be completely different goals, as Rails 3 doesn't use all of the 1.8.7 features. =) We can implement the features needed for Rails 3 for the releases after 1.0, so we may turn out to be compatible-enough with 1.8.7 for Rails 3. But, since we're not going to run tests against both 1.8.7 and 1.9, we won't be compatible enough to actually say "ruby-1.8.7 compatible". Plus, we'd like to start ripping out ruby-1.8 features from the 1.x releases, so that might be an impossible statement.
Since 1.9 is the future of Ruby, we're jumping directly to supporting it, as that will position IronRuby for great compatibility in the future, rather than trying to optimize for the current state of the ruby-world. If Rails 3 on IronRuby 1.1 or 1.2 is very important to people, than it'll find a way of happening. But 1.8.x support is a dead-end, and not worth the IronRuby core team's or contributor's time. Plus, Matz ordered me to stop caring about 1.8 support, so I can't say no to that =P
Are there other reasons why it's important for IronRuby to be ruby-1.8.7 compatible? If not, I'd prefer to just prioritize any changes needed for "Rails 3 support", rather than 1.8.7 support.
From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at rubyforge.org] On Behalf Of Orion Edwards
Sent: Monday, February 15, 2010 1:51 PM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] MRI 1.8.7 compatibility
> IronRuby 1.0.x releases: ONLY ruby-1.8.6 compatible
> IronRuby 1.x releases: ONLY ruby-1.9 compatible
My fear is that releasing 1.0 so close to release of Rails 3 without the ability to run it will do little for IronRuby's image in the wider Ruby community (who, from my admittedly limited experience, care about weather it can run Rails or not).
While it seems logical to go down the path jimmy mentioned, It looks like what will happen is that rails3 won't run on IronRuby at all until the 1.x releases build up 1.9 compat to a decent enough point and stabilize.
Is 1.9 compat a big deal? It seems like it would be a ton of work to implement 1.9 compatibility in a stable way - thereby leaving IronRuby unable to run rails 3 for a long long time...
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