# Ruby 1.9

**URL:** <https://discuss.rubyonrails.org/t/ruby-1-9/24669>\
**Category:** rubyonrails-talk\
**Created:** [February 10, 2008, 4:41pm UTC](https://discuss.rubyonrails.org/t/ruby-1-9/24669 "2008-02-10T16:41:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![bcurtu](https://avatars.discourse-cdn.com/v4/letter/b/a88e4f/32.png) [@bcurtu](https://discuss.rubyonrails.org/u/bcurtu)\
**Post date:** [February 10, 2008, 4:41pm UTC](https://discuss.rubyonrails.org/t/ruby-1-9/24669/1 "2008-02-10T16:41:05Z")

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Hi there,

1.- Does Rails 2.0 work with Ruby 1.9? 2.- Does a code made with Ruby 1.8 compile with 1.9? 3.- Apart from the performance issue, is it worthy to program with Ruby 1.9 rather than 1.8?

Thanks a lot.

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**Author:** ![Frederick\_Cheung](https://sea2.discourse-cdn.com/rubyonrails/user_avatar/discuss.rubyonrails.org/frederick_cheung/32/3901_2.png) [@Frederick\_Cheung](https://discuss.rubyonrails.org/u/Frederick_Cheung)\
**Post date:** [February 10, 2008, 6:09pm UTC](https://discuss.rubyonrails.org/t/ruby-1-9/24669/2 "2008-02-10T18:09:58Z")

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> Hi there,
> 
> 1.- Does Rails 2.0 work with Ruby 1.9?

No.

> 2.- Does a code made with Ruby 1.8 compile with 1.9?

Not always.

Fred

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**Author:** ![Rick\_DeNatale](https://avatars.discourse-cdn.com/v4/letter/r/a587f6/32.png) [@Rick\_DeNatale](https://discuss.rubyonrails.org/u/Rick_DeNatale)\
**Post date:** [February 10, 2008, 6:41pm UTC](https://discuss.rubyonrails.org/t/ruby-1-9/24669/3 "2008-02-10T18:41:22Z")

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> **[Ruby 1.9 - When Will It be Production Ready](https://www.infoq.com/news/2008/01/ruby-19-for-production/)**
>
> Ruby 1.9 is out - but it's not yet intended to be used in production systems. The release tag had one effect: more developers are actually giving it a spin and try to run their applications and libraries and update them for the new version. We looked...