[#114703] [Ruby master Bug#19875] Ruby 2.7 -> 3.1 Performance regression in String#count — "iz (Illia Zub) via ruby-core" <ruby-core@...>

Issue #19875 has been reported by iz (Illia Zub).

18 messages 2023/09/12

[#114774] [Ruby master Feature#19884] Make Safe Navigation Operator work on classes — "p8 (Petrik de Heus) via ruby-core" <ruby-core@...>

Issue #19884 has been reported by p8 (Petrik de Heus).

13 messages 2023/09/15

[#114796] [Ruby master Feature#19889] Let `Kernel.#require` search for files relative to the current working directory for non ./, ../ relative paths — "sawa (Tsuyoshi Sawada) via ruby-core" <ruby-core@...>

Issue #19889 has been reported by sawa (Tsuyoshi Sawada).

6 messages 2023/09/18

[#114803] [Ruby master Bug#19890] File#realine(chomp: true) slower/more allocations than readline.chomp! — "segiddins (Samuel Giddins) via ruby-core" <ruby-core@...>

Issue #19890 has been reported by segiddins (Samuel Giddins).

12 messages 2023/09/18

[#114817] [Ruby master Bug#19892] Build failure with 8f1b688177 — "vo.x (Vit Ondruch) via ruby-core" <ruby-core@...>

Issue #19892 has been reported by vo.x (Vit Ondruch).

8 messages 2023/09/19

[#114915] [Ruby master Feature#19905] Introduce `Queue#peek` — "hi@... (Joao Fernandes) via ruby-core" <ruby-core@...>

Issue #19905 has been reported by hi@joaofernandes.me (Joao Fernandes).

8 messages 2023/09/28

[ruby-core:114927] [Ruby master Bug#19903] Fix memory leak in generating and loading iseq

From: "nagachika (Tomoyuki Chikanaga) via ruby-core" <ruby-core@...>
Date: 2023-09-30 07:07:37 UTC
List: ruby-core #114927
Issue #19903 has been updated by nagachika (Tomoyuki Chikanaga).

Backport changed from 3.0: UNKNOWN, 3.1: REQUIRED, 3.2: REQUIRED to 3.0: UNKNOWN, 3.1: REQUIRED, 3.2: DONE

ruby_3_2 128d8728d39c2da21e5433c7af169f73e18fd133 merged revision(s) ef59175a68c448fe334125824b477a9e1d5629bc.

----------------------------------------
Bug #19903: Fix memory leak in generating and loading iseq
https://bugs.ruby-lang.org/issues/19903#change-104795

* Author: HParker (Adam Hess)
* Status: Closed
* Priority: Normal
* Backport: 3.0: UNKNOWN, 3.1: REQUIRED, 3.2: DONE
----------------------------------------
PR: https://github.com/ruby/ruby/pull/8512

Reproduction:

```ruby
10.times do
  100_000.times do
    RubyVM::InstructionSequence.load_from_binary(RubyVM::InstructionSequence.compile("def foo(bar:); end; foo(bar: :baz)").to_binary)
  end
  puts `ps -o rss= -p #{$$}`
end
```

before:

```
39636
60756
82140
103260
124380
145764
166884
188004
209388
230508
```

after:

```
25184
31784
38648
45248
51848
58712
65312
71912
78776
85376
```



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