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wire 2026-05-10
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JEST BUMPS BABEL TRANSFORM ACROSS E2E SUITES

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

dependabot[bot]
1 person shipped this
dependabot[bot] @dependabot[bot] 1 cited

Jest's e2e test directories got a routine Babel plugin update — not urgent, but worth noting if you're running the latest from main.

The Jest team bumped @babel/plugin-transform-modules-systemjs across seven directories in a dependency maintenance pass [1]. This touches e2e/babel-plugin-jest-hoist and e2e/coverage-transform-instrumented among others — tooling directories, not the core Jest runtime. If you're consuming Jest as a dependency, this won't affect you. If you're running Jest from source or contributing to the project, it's a standard chore update that keeps the build pipeline in sync with upstream Babel changes.

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

the week in review React 19.3 ships View Transitions, RN 0.88-rc breaks Touchable the month in review React, React Native, and Jest harden the stack
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Quick answers

What shipped in Meta on May 10, 2026?
Jest's e2e test directories got a routine Babel plugin update — not urgent, but worth noting if you're running the latest from main. In total, 1 pull requests landed.
Who contributed to Meta on May 10, 2026?
1 developer shipped this update, including dependabot[bot].
What were the notable Meta updates?
chore(deps): bump the npm_and_yarn group across 7 directories with 1 update.
♥

$ log Meta --recent

React Native strips dead config, React compiler fixes exponent folding 21 shipped React Native's generated SwiftPM manifests inherit the app's iOS floor, and SectionList scrolls to the right row 30 shipped React stops emulating bubbling for toggle events, fixes Fragment compareDocumentPosition 9 shipped React Native's Babel preset stops dropping Platform.select side effects 6 shipped

$ log --all # elsewhere on the wire

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$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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