Tech – walker – 2026-09-27

26 items · updated 2026-09-27 23:35 UTC · RSS · Up to 2026-09

[DOC] Update the date in man pages

github/ruby/ruby · 2026-09-27

check_misc asks for this after man/ruby.1 changed. https://github.com/ruby/ruby/actions/runs/36075733323/job/107886392990 Co-Authored-By:

Remove bccwin from the Resolv::Hosts platform check

github/ruby/ruby · 2026-09-27

Ruby 2.3 dropped Borland C. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Remove leftover checks for unsupported platforms

github/ruby/ruby · 2026-09-27

Ruby 1.9.1 dropped DJGPP, Windows CE and VMS, NeXTSTEP, OpenStep and Rhapsody went in 2011, and Ruby 2.3 dropped OS/2, BeOS and Borland C. N

Remove support code for unmaintained platforms

github/ruby/ruby · 2026-09-27

AtheOS, AmigaOS, HI-UX/MPP, IRIX, OSF/1, QNX, ESIX, UX/PDS, System V Release 4 and RISC OS are not listed under Platform Maintainers in doc/

Remove unsupported platforms from prism host_os patterns

github/ruby/ruby · 2026-09-27

Ruby 1.9.1 dropped DJGPP and Windows CE, and Ruby 2.3 dropped Borland C. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Mention the removed platforms in NEWS

github/ruby/ruby · 2026-09-27

None of these removals had been announced in NEWS before. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Remove unsupported platforms from the fileutils test platform checks

github/ruby/ruby · 2026-09-27

Ruby 1.9.1 dropped Windows CE, and Ruby 2.3 dropped OS/2 (emx) and Borland C. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Remove AmigaOS from the zlib OS code detection

github/ruby/ruby · 2026-09-27

AmigaOS is not a platform Ruby supports. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Remove unsupported platforms from RubyGems and Bundler Windows detection

github/ruby/ruby · 2026-09-27

Ruby 1.9.1 dropped DJGPP and Windows CE, and Ruby 2.3 dropped Borland C. Gem::WIN_PATTERNS itself stays because other gems reference it. msd

[Bug #22284] Test curry with an arity that responds to to_int

github/ruby/ruby · 2026-09-27

It also counts the to_int calls, so it fails on LP64 platforms too, where the old code converted the arity again on every call.

[ruby/rubygems] Bump rubyzip from 3.3.0 to 3.4.0 in /spec/realworld/f…

github/ruby/ruby · 2026-09-27

…ixtures/warbler Bumps [rubyzip](https://github.com/rubyzip/rubyzip) from 3.3.0 to 3.4.0. - [Release notes](https://github.com/rubyzip/ruby

具体と抽象の勉強会に参加してきた話

Qiita(trend) · 2026-09-27

はじめに JISSENというコミュニティで「具体と抽象」に関する勉強会に参加してきたので、やったことや学びなどを記事として残しておこうと思います。今後もこの勉強会はやるみたいなので、具体で何をしたか等のネタバレは控えています。 勉強会は以下の記事の実践バージョンという感じ...

WebKit Features for Safari 27.0 | WebKit

リアルタイム版 JSer.info · 2026-09-27

Safari 27.0のWebKitの変更点について。Safari MCP、&lt;select&gt;のカスタマイズ、&lt;modal&gt;要素のサポート、&lt;img sizes=&quot;auto&quot;&gt;のサポート。WebA...

Merge pull request #58876 from afurm/af/fix-except-on-error-matching

github/rails/rails · 2026-09-27

Fix error matching for validations using `:except_on`

Kubernetes 1.37: SIG Appsの変更内容

Zenn · 2026-09-27

Kubernetes v1.37が2026/08/26にリリースされました🎉 本記事では、特にSIG Appsに関係する変更点を、CHANGELOGからピックアップして紹介いたします。 📝がついた文章は、CHANGELOGの公式内容ではなく筆者の補足です。また、内容に誤り等ござい

「Docker Cloud Sandboxes」発表、AIエージェント向けサンドボックスをローカルとクラウド間で自由に移動可能に

Publickey · 2026-09-27

Docker社はAIエージェント向けのサンドボックス環境をクラウド上で提供する「Docker Cloud Sandboxes」を発表しました。 同社はすでにローカルで動作するサンドボックス環境の「Docker Sandboxes」を今年(2...

マイクロソフト、企業内アプリの実行基盤「Copilot Managed Runtime」プレビュー公開。Microsoft 365と同じテナント内でコード実行、管理者による集中管理も

Publickey · 2026-09-27

マイクロソフトは、AIコーディングエージェントのMicrosoft Copilotなどで開発した社内アプリケーションを実行するためのセキュアな基盤「Copilot Managed Runtime」をパブリックプレビューとして公開しました。 ...

Merge pull request #58807 from carlosdanielpohlod/pool-config-false-d…

github/rails/rails · 2026-09-27

…isables Treat `false` as disabled for `idle_timeout`, `reaping_frequency` and `max_age`

Require NUMBER_OF_PROCESSORS in test_nprocessors

github/ruby/ruby · 2026-09-27

A missing variable turned the lower bound into 0, which the existing assertion already covers. Co-Authored-By: Claude Fable 5.1 <noreply@an

Define ALL_PROCESSOR_GROUPS for mingw builds

github/ruby/ruby · 2026-09-27

mingw-w64 guards the macro with _WIN32_WINNT >= 0x0601 as well as the function, while the mingw build targets 0x0600. Co-Authored-By: Claud

Give the foreign unshareable store test time to write the crash report

github/ruby/ruby · 2026-09-27

The child aborts with [BUG], and symbolizing the C level backtrace for the crash report can take longer than the default 10 seconds on a loa

CI: Use case() for the x86 suffix in the Windows workflow

github/ruby/ruby · 2026-09-27

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

CI: Build and test x86 mswin on Windows

github/ruby/ruby · 2026-09-27

Breakages specific to i386-mswin32, such as the size_t atomic fetch_add and the prism bit.h build failure, were found only by auditing. Run

CI: Do not mistake the x86 ruby DLL for the VC runtime

github/ruby/ruby · 2026-09-27

On i386-mswin32 the ruby DLL has no arch prefix and is named vcruntime140-ruby410.dll, so the vcruntime140*.dll check rejected every x86 bin

Ignore PROCESSOR_ARCHITEW6432 in the ENV tests on WOW64

github/ruby/ruby · 2026-09-27

On 64-bit Windows, WOW64 sets PROCESSOR_ARCHITEW6432 when a 32-bit process starts, like PROCESSOR_ARCHITECTURE under the x64 emulation on AR

Return the byte count from IO#write to a Windows console

github/ruby/ruby · 2026-09-27

`rb_w32_write_console` returns the number of UTF-16 code units it wrote, so writing &quot;あ&quot; to a console returned 1 instead of 3 as it