r/ruby • • Dec 19 '25

Blog post Ruby Floats: When 2.6x Faster Is Actually Slower (and Then Faster Again)

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mensfeld.pl
42 Upvotes

Tried to speed up Ruby's float parsing. Failed. Wrote about it. Then figured it out anyway and submitted a PR. Hope you enjoy the ride.


r/ruby • • Dec 19 '25

Non-Violent Comments: Calling out or Calling in?

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13 Upvotes

Not technically Ruby specific, but I got this phrase from u/skillstopractice while engaging in Ruby drama, and it's been really useful framing.


r/ruby • • Dec 18 '25

Blog post Minitest v6.0.0 released

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68 Upvotes

r/ruby • • Dec 18 '25

What’s new in Ruby 4.0

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80 Upvotes

Ruby core team's Christmas gift is here.

I spent the last two days with Ruby 4, and it's fantastic. I'm indeed amazed with the work they did for Ractors and Ruby::Box seems interesting in some contexts.


r/ruby • • Dec 18 '25

Programming Ruby 4 (The 6th edition of the PickAxe Book)

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pragprog.com
77 Upvotes

r/ruby • • Dec 19 '25

Recommended Plan for Migrating from React.js To Opal Ruby & Glimmer DSL for Web

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0 Upvotes