What're the killer features of ruby 1.9 (to you)?

Posted by Horace Ho on Stack Overflow See other posts from Stack Overflow or by Horace Ho
Published on 2010-04-08T10:20:10Z Indexed on 2010/04/08 10:23 UTC
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ruby-on-rails

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ruby

I have ruby 1.8.x on:

1 x Snow Leopard
n x CentOS (mostly are my clients)
1 x Windows XP

Once recently I installed RVM to have multiple ruby versions on my Mac. Basically none of my production Rails projects is running on on 1.9.x ruby.

So, what makes you to move to 1.9.x?

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