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wire 2026-05-05
stories 11
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$ the-wire · showcase

BOOTSNAP PATCHES RUBY PARSER BUG; RAILS FIXES SPRING TEST WORKER SLOWDOWN

By RepoJournal · Filed · About Rails · Composed from the cited sources · methodology

byroot ariens
2 people shipped this
byroot @byroot 1 cited ariens @ariens 1 cited

Bootsnap shipped v1.24.3 to work around a critical Ruby parser bug that breaks compilation, while Rails eliminated a performance regression in forked test processes that was triggering unnecessary filesystem scans.

Bootsnap hit a nasty snag with Ruby's `RubyVM::InstructionSequence.compile_file` — it's using the wrong parser entirely [1]. The workaround was to switch to `.compile_file_prism`, but that method itself has a bug that ignores compile options, so the team had to patch both [2]. To make matters worse, file encoding defaults to the system locale, which breaks parsing on minimal Ruby setups where `LANG` isn't set [3]. Version 1.24.3 fixes both issues and forces UTF-8 parsing [4]. On the Rails side, a subtle memory leak was hiding in the test infrastructure: when Spring workers forked and cleared reloaders, the `ViewReloader` hook persisted and kept triggering expensive `Dir.[]` and `File.mtime` scans on every `prepend_view_path` call [5]. The fix deactivates the hook properly on reloader cleanup [6], which should restore Spring test performance for anyone running into this.

$ ls rails/reviews/ # the step-back reads

the week in review Active Storage gets a direct-upload kill switch the month in review Rails deepens Ractor safety, ships Marcel 2.0, and retires decade-old APIs
Topics: Ruby Full archive → Weekly reviews →

Quick answers

What shipped in Rails on May 5, 2026?
Bootsnap shipped v1.24.3 to work around a critical Ruby parser bug that breaks compilation, while Rails eliminated a performance regression in forked test processes that was triggering unnecessary filesystem scans. In total, 7 commits, 2 pull requests, and 2 releases landed.
Who contributed to Rails on May 5, 2026?
2 developers shipped this update, including byroot and ariens.
What were the notable Rails updates?
Workaround Ruby [Bug #22023], Merge pull request #540 from byroot/use-proper-parser, and Fix encoding in Ruby [Bug #22023] workaround.
♥

$ log @rails --recent

Bootsnap guards d_type for Illumos, Rails trims Ractor test skips 17 shipped MySQL deadlock fix for find_or_create_by, Asset Pipeline guide rewrite 19 shipped kamipo retires three legacy Active Record holdovers 16 shipped Postgres index lookups scoped to the resolved table, mariadb replaces mysql5 in dbconsole 28 shipped

$ log --all # elsewhere on the wire

@openclaw Cold-start Gateway diagnostics stop crying wolf, doctor repairs plugin drift Agentic Coding Cline desktop bundles shrink, goose unblocks its own clicks

$ ls showcases/

Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux Anthropic OpenAI

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