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What's New In Ruby 3.3 Discussion

Discussion for What's New In Ruby 3.3

Happy Holidays and New Year everyone! 🥳

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And ruby-build itself now has 3.3 with ruby-build--20231225 (working with rbenv, not sure on asdf)

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ASDF users use an env var to use the latest ruby-build:

ASDF_RUBY_BUILD_VERSION=master asdf install ruby 3.3.0
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Thanks Chris!

How soon will we see an update to Hatchbox.io to support Ruby 3.3.0?

Thanks!

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Probably today.

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Will this affect how errors are displayed in Rails 7.2? Or it's too difficult to predict that since it hasn't been released yet?

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Thanks Chris!
You are rock

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Hi Chris, I tried -> RUBY_YJIT_ENABLE=1 ruby -v but I can't see the YJIT. Do I need to install it separately? I am using Mac M2 MacBookPro.

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This might be because you don't have Rust installed.

If so, first uninstall your Ruby 3.3.0, then install Rust (https://www.rust-lang.org/tools/install), and then re-install Ruby 3.3.0.

Now RUBY_YJIT_ENABLE=1 ruby -v should show you that it's using YJIT (this worked for me using rbenv)

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ya, it works similar to yours, thanks for sharing that I need to install rust.

before install, need to uninstall

asdf uninstall ruby 3.3.0

note: do not install rust via asdf, it won't work for me.

  1. curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh // choose option 1 and enter; close Mac terminal and open again.
  2. rustc --version // make sure can see rustc version
  3. export RUBY_CONFIGURE_OPTS=--enable-yjit
  4. asdf install ruby 3.3.0
  5. asdf global ruby 3.3.0
  6. gem update --system
  7. gem install rails -v 7.1.2 // need to install this again
  8. ruby -v
  9. RUBY_YJIT_ENABLE=1 ruby -v
  10. rails -v

hope it helps others.

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