Rails Daily: Test Stability and Live Streaming Fixes
Two pull requests were merged today addressing a flaky Active Record transaction test and fixing an isolation state bug in Action Controller Live streaming.
Duration: PT1M34S
Episode overview
This episode is a short developer briefing from Rails Daily.
It explains recent repository work in plain language.
- Show: Rails Daily
- Published: 2026-03-01T11:02:27Z
- Audio duration: PT1M34S
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 1st, 2026.
Two pull requests were merged into the Rails main branch today, both focused on fixing specific issues in the framework.
First, flavorjones merged a fix for flaky test behavior in Active Record's transaction instrumentation tests. The pull request addresses intermittent failures in CI where SQL event counts were inconsistent during savepoint operations. The test was expecting 6 SQL events but occasionally received 7, causing builds to…
Second, tavianator from Shopify merged a correction to Action Controller Live's isolated execution state handling. When using fiber-level isolation, the code was incorrectly passing the original thread to the share_with method instead of the proper execution context. This fix ensures that isolated execution state is…
Both changes represent maintenance work that improves Rails' reliability - one fixing test infrastructure stability, the other correcting runtime behavior for applications using Action Controller Live with fiber isolation.
What's next: These fixes will be included in the next Rails release, improving CI stability for contributors and fixing streaming behavior for production…