01/12/2026

08:10 PMRubyMisc #21833: Switch default hash from SipHash13 to XXH3?

FWIW
- https://github.com/Nicoshev/rapidhash claims to be even faster and passes the SMHasher tests
- Since Rust 1.36 they switched from SipHash13 to https://github.com/rust-lang/hashbrown for hashmapsbdewater (Bart de Water)

01/02/2025

03:52 PMRubyBug #20997 (Closed): YJIT panic assertion `left == right` failed: leave instruction expects stack size 1, but was: 2

I tried upgrading our Rails app from Ruby 3.3.6 to 3.4.1 and our test suite failed with the following panic error on our Linux CI runners. In case it matters, we use https://runs-on.com/ instead of GitHub's runners and the AMI name is `r...bdewater (Bart de Water)

11/28/2022

05:04 PMRubyFeature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

I like `dup` as the method name 👍
tomstuart (Tom Stuart) wrote in #note-9:
> Perhaps another way of putting this is that I’d estimate most Ruby programmers rarely call `Object#dup` in the course of their work, whereas I would expect ...bdewater (Bart de Water)

11/12/2022

11:14 PMRubyMisc #19074: DevMeeting-2022-12-01 (postponed from 11-17)

* [Feature #19000] Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object] (bdewater)
* There seems to be consensus for the need of the feature, but not on what the method name should be. The pro...bdewater (Bart de Water)

10/21/2022

03:05 PMRubyFeature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

Example from Sorbet which uses `with` as well:
``` ruby
class Point < T::Struct
const :x, Numeric
const :y, Numeric
end
# An immutable instance
Origin = Point.new(x: 0, y: 0)
right = Origin.with(x: 1.0)
up = Origin.with(...bdewater (Bart de Water)

10/19/2022

07:47 PMRubyFeature #19071: Add Time#deconstruct, #deconstruct_keys, and #to_h

My first reaction seeing the example usage: they seem more for `Date` than `Time`, but I can see this being useful for both :)bdewater (Bart de Water)

03/16/2021

10:16 AMRubyRevision da6341b7 (git): [ruby/openssl] User lower case cipher names for maximum compatibility

We ran into some Linux-based systems not accepting the upper case variant
https://github.com/ruby/openssl/commit/7bc49121d5bdewater (Bart de Water)

06/29/2020

04:25 AMRubyRevision 3621a7de (git): Avoid deprecated OpenSSL::Digest constants

bdewater (Bart de Water)

05/13/2020

06:47 AMRubyRevision c85789f9 (git): [ruby/openssl] Look up cipher by name instead of constant

https://github.com/ruby/openssl/commit/b08ae7e73dbdewater (Bart de Water)

06:47 AMRubyRevision a7145c3d (git): [ruby/openssl] Fix signing example to not use Digest instance

https://github.com/ruby/openssl/commit/033fb4fbe4bdewater (Bart de Water)