Rails Daily: Async Query Instrumentation Fix and Auth Generator Update

Rails merged critical fixes for async query instrumentation that was causing missing logs in production, plus improvements to the authentication generator for apps without ActionMailer.

Duration: PT1M27S

Episode overview

This episode is a short developer briefing from Rails Daily.

It explains recent repository work in plain language.

  • Show: Rails Daily
  • Published: 2026-03-12T10:08:25Z
  • Audio duration: PT1M27S

Transcript excerpt

This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.

Good morning, this is Rails Daily for March 12th, 2026.

Rosa merged two related pull requests addressing a critical issue with async query instrumentation. The main fix restores the previous instrumenter after `execute_or_skip` operations in Rails' async query system. The problem occurred when using async queries with the global thread pool executor - requests would lose…

SSJR merged a fix for the authentication generator when ActionMailer is skipped. Previously, generating authentication in a Rails app created with `--skip-action-mailer` would produce failing tests that referenced non-existent email functionality. The generator now conditionally excludes password reset tests when…

Two additional merge commits from Jean Boussier formalized these changes into the main branch.

What's next:

• These instrumentation fixes should resolve production logging gaps for teams using async queries

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