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Add React 19.3.0 changelog entry - #37554

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eps1lon merged 1 commit into
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changelog-19.3.0
Sep 9, 2026
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Add React 19.3.0 changelog entry#37554
eps1lon merged 1 commit into
mainfrom
changelog-19.3.0

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@mattcarrollcode

@mattcarrollcode mattcarrollcode commented Sep 9, 2026

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Adds the 19.3.0 changelog entry, covering everything that has landed on main since v19.2.0.

@meta-cla meta-cla Bot added the CLA Signed label Sep 9, 2026
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github-actions Bot commented Sep 9, 2026

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Comparing: 1d34f91...56c99eb

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name +/- Base Current +/- gzip Base gzip Current gzip
oss-stable/react-dom/cjs/react-dom.production.js = 7.35 kB 7.35 kB +0.05% 1.96 kB 1.96 kB
oss-stable/react-dom/cjs/react-dom-client.production.js = 625.29 kB 625.29 kB = 110.54 kB 110.54 kB
oss-experimental/react-dom/cjs/react-dom.production.js = 7.36 kB 7.36 kB = 1.96 kB 1.96 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js = 696.51 kB 696.51 kB = 121.97 kB 121.97 kB
facebook-www/ReactDOM-prod.classic.js = 716.36 kB 716.36 kB = 125.38 kB 125.38 kB
facebook-www/ReactDOM-prod.modern.js = 706.67 kB 706.67 kB = 123.81 kB 123.81 kB

Significant size changes

Includes any change greater than 0.2%:

(No significant changes)

Generated by sizebot against 56c99eb

@eps1lon
eps1lon merged commit a58f939 into main Sep 9, 2026
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@eps1lon
eps1lon deleted the changelog-19.3.0 branch September 9, 2026 17:37
github-actions Bot pushed a commit to srpatcha/react that referenced this pull request Sep 10, 2026
Adds the `19.3.0` changelog entry, covering everything that has landed
on `main` since `v19.2.0`.

DiffTrain build for [a58f939](react@a58f939)
github-actions Bot pushed a commit to code/lib-react that referenced this pull request Sep 11, 2026
Adds the `19.3.0` changelog entry, covering everything that has landed
on `main` since `v19.2.0`.

DiffTrain build for [a58f939](react@a58f939)
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2 participants