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[RN] Move new event dispatching pipeline to RN - #36266

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rubennorte merged 1 commit into
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rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged

[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom
rubennorte:move-event-dispatching-logic-to-rn

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@rubennorterubennorte commented Apr 14, 2026•
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Summary

We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.

This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).

How did you test this change?

The changes are gated. Will test e2e in RN.

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Comparing: 5682442...3902c46

Critical size changes

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

Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Generated by 🚫 dangerJS against 3902c46

@rubennorte
rubennorteforce-pushed the move-event-dispatching-logic-to-rn branch from da016ec to 3902c46CompareApril 14, 2026 16:29
@javache

javache commented Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.

@rubennorte
rubennorte merged commit 0418c8a into react:mainApr 14, 2026
236 checks passed
@rubennorte
rubennorte deleted the move-event-dispatching-logic-to-rn branch April 14, 2026 17:10
@rubennorte

rubennorte commented Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.

The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.

github-actionsBot pushed a commit that referenced this pull request Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot mentioned this pull request Apr 15, 2026
Closed
@zeyapzeyap mentioned this pull request Apr 17, 2026
Merged
@nextjs-botnextjs-bot mentioned this pull request Apr 17, 2026
Merged
github-actionsBot pushed a commit to code/lib-react that referenced this pull request Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot pushed a commit to code/lib-react that referenced this pull request Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit to vercel/next.js that referenced this pull request Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte mentioned this pull request Jun 5, 2026
Closed
m-kawafuji pushed a commit to m-kawafuji/next.js that referenced this pull request Aug 8, 2026
@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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@rubennorte@react-sizebot@javache@jackpope@suvroallen13-web
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[RN] Move new event dispatching pipeline to RN by rubennorte · Pull Request #36266 · react/react · GitHub
Skip to content
[RN] Move new event dispatching pipeline to RN - #36266
Merged
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged
[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Conversation
@rubennorte
@rubennorterubennorte
commented
Apr 14, 2026•

edited

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Summary
We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.
This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).
How did you test this change?
The changes are gated. Will test e2e in RN.
@react-sizebot
react-sizebot
commented
Apr 14, 2026•

edited

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Comparing: 5682442...3902c46
Critical size changes
Includes critical production bundles, as well as any change greater than 2%:
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB
Significant size changes
Includes any change greater than 0.2%:
Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Generated by 🚫 dangerJS against 3902c46
@rubennorte
rubennorteforce-pushed
the
move-event-dispatching-logic-to-rn
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from
da016ec to
3902c46CompareApril 14, 2026 16:29
@javache
javache
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Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
@rubennorte
rubennorte
merged commit 0418c8a
into
react:mainApr 14, 2026

236 checks passed

@rubennorte
rubennorte
deleted the

move-event-dispatching-logic-to-rn

branch
April 14, 2026 17:10
@rubennorte
rubennorte
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Apr 14, 2026

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MemberAuthor
This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.
github-actionsBot
pushed a commit
that referenced
this pull request
Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot
mentioned this pull request
Apr 15, 2026
 Closed

@zeyapzeyap
mentioned this pull request
Apr 17, 2026
 Merged

@nextjs-botnextjs-bot
mentioned this pull request
Apr 17, 2026
 Merged

github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit
to vercel/next.js
that referenced
this pull request
Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte
mentioned this pull request
Jun 5, 2026
 Closed

m-kawafuji pushed a commit
to m-kawafuji/next.js
that referenced
this pull request
Aug 8, 2026
@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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@javachejavacheAwaiting requested review from javache

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[RN] Move new event dispatching pipeline to RN by rubennorte · Pull Request #36266 · react/react · GitHub
Skip to content
[RN] Move new event dispatching pipeline to RN - #36266
Merged
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged
[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Conversation
@rubennorte
@rubennorterubennorte
commented
Apr 14, 2026•

edited

Loading

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Member
Summary
We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.
This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).
How did you test this change?
The changes are gated. Will test e2e in RN.
@react-sizebot
react-sizebot
commented
Apr 14, 2026•

edited

Loading

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Comparing: 5682442...3902c46
Critical size changes
Includes critical production bundles, as well as any change greater than 2%:
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB
Significant size changes
Includes any change greater than 0.2%:
Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Generated by 🚫 dangerJS against 3902c46
@rubennorte
rubennorteforce-pushed
the
move-event-dispatching-logic-to-rn
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da016ec to
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@javache
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Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
@rubennorte
rubennorte
merged commit 0418c8a
into
react:mainApr 14, 2026

236 checks passed

@rubennorte
rubennorte
deleted the

move-event-dispatching-logic-to-rn

branch
April 14, 2026 17:10
@rubennorte
rubennorte
commented
Apr 14, 2026

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MemberAuthor
This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.
github-actionsBot
pushed a commit
that referenced
this pull request
Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot
mentioned this pull request
Apr 15, 2026
 Closed

@zeyapzeyap
mentioned this pull request
Apr 17, 2026
 Merged

@nextjs-botnextjs-bot
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 Merged

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@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit
to vercel/next.js
that referenced
this pull request
Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte
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Jun 5, 2026
 Closed

m-kawafuji pushed a commit
to m-kawafuji/next.js
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@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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@rubennorte@react-sizebot@javache@jackpope@suvroallen13-web

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
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if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
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});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
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highlight(document.body);
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mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
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observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[RN] Move new event dispatching pipeline to RN by rubennorte · Pull Request #36266 · react/react · GitHub
Skip to content
[RN] Move new event dispatching pipeline to RN - #36266
Merged
rubennorte merged 1 commit into
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rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged
[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Conversation
@rubennorte
@rubennorterubennorte
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Apr 14, 2026•

edited

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Summary
We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.
This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).
How did you test this change?
The changes are gated. Will test e2e in RN.
@react-sizebot
react-sizebot
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Apr 14, 2026•

edited

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Comparing: 5682442...3902c46
Critical size changes
Includes critical production bundles, as well as any change greater than 2%:
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB
Significant size changes
Includes any change greater than 0.2%:
Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Generated by 🚫 dangerJS against 3902c46
@rubennorte
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@javache
javache
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Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
@rubennorte
rubennorte
merged commit 0418c8a
into
react:mainApr 14, 2026

236 checks passed

@rubennorte
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deleted the

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April 14, 2026 17:10
@rubennorte
rubennorte
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Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.
github-actionsBot
pushed a commit
that referenced
this pull request
Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot
mentioned this pull request
Apr 15, 2026
 Closed

@zeyapzeyap
mentioned this pull request
Apr 17, 2026
 Merged

@nextjs-botnextjs-bot
mentioned this pull request
Apr 17, 2026
 Merged

github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit
to vercel/next.js
that referenced
this pull request
Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte
mentioned this pull request
Jun 5, 2026
 Closed

m-kawafuji pushed a commit
to m-kawafuji/next.js
that referenced
this pull request
Aug 8, 2026
@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
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trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
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});
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} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
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observer.observe(document.body, { childList: true, subtree: true });
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} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
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try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
[RN] Move new event dispatching pipeline to RN by rubennorte · Pull Request #36266 · react/react · GitHub
Skip to content
[RN] Move new event dispatching pipeline to RN - #36266
Merged
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged
[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Conversation
@rubennorte
@rubennorterubennorte
commented
Apr 14, 2026•

edited

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Summary
We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.
This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).
How did you test this change?
The changes are gated. Will test e2e in RN.
@react-sizebot
react-sizebot
commented
Apr 14, 2026•

edited

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Comparing: 5682442...3902c46
Critical size changes
Includes critical production bundles, as well as any change greater than 2%:
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB
Significant size changes
Includes any change greater than 0.2%:
Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Generated by 🚫 dangerJS against 3902c46
@rubennorte
rubennorteforce-pushed
the
move-event-dispatching-logic-to-rn
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da016ec to
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@javache
javache
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Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
@rubennorte
rubennorte
merged commit 0418c8a
into
react:mainApr 14, 2026

236 checks passed

@rubennorte
rubennorte
deleted the

move-event-dispatching-logic-to-rn

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April 14, 2026 17:10
@rubennorte
rubennorte
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Apr 14, 2026

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MemberAuthor
This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.
github-actionsBot
pushed a commit
that referenced
this pull request
Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot
mentioned this pull request
Apr 15, 2026
 Closed

@zeyapzeyap
mentioned this pull request
Apr 17, 2026
 Merged

@nextjs-botnextjs-bot
mentioned this pull request
Apr 17, 2026
 Merged

github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit
to vercel/next.js
that referenced
this pull request
Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte
mentioned this pull request
Jun 5, 2026
 Closed

m-kawafuji pushed a commit
to m-kawafuji/next.js
that referenced
this pull request
Aug 8, 2026
@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
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observer.observe(document.body, { childList: true, subtree: true });
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} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[RN] Move new event dispatching pipeline to RN by rubennorte · Pull Request #36266 · react/react · GitHub
Skip to content
[RN] Move new event dispatching pipeline to RN - #36266
Merged
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged
[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
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@rubennorte
@rubennorterubennorte
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Apr 14, 2026•

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Summary
We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.
This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).
How did you test this change?
The changes are gated. Will test e2e in RN.
@react-sizebot
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Apr 14, 2026•

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Comparing: 5682442...3902c46
Critical size changes
Includes critical production bundles, as well as any change greater than 2%:
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB
Significant size changes
Includes any change greater than 0.2%:
Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Generated by 🚫 dangerJS against 3902c46
@rubennorte
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@javache
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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
@rubennorte
rubennorte
merged commit 0418c8a
into
react:mainApr 14, 2026

236 checks passed

@rubennorte
rubennorte
deleted the

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April 14, 2026 17:10
@rubennorte
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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.
github-actionsBot
pushed a commit
that referenced
this pull request
Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot
mentioned this pull request
Apr 15, 2026
 Closed

@zeyapzeyap
mentioned this pull request
Apr 17, 2026
 Merged

@nextjs-botnextjs-bot
mentioned this pull request
Apr 17, 2026
 Merged

github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit
to vercel/next.js
that referenced
this pull request
Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte
mentioned this pull request
Jun 5, 2026
 Closed

m-kawafuji pushed a commit
to m-kawafuji/next.js
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this pull request
Aug 8, 2026
@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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@rubennorte@react-sizebot@javache@jackpope@suvroallen13-web

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[RN] Move new event dispatching pipeline to RN by rubennorte · Pull Request #36266 · react/react · GitHub
Skip to content
[RN] Move new event dispatching pipeline to RN - #36266
Merged
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged
[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Conversation
@rubennorte
@rubennorterubennorte
commented
Apr 14, 2026•

edited

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Member
Summary
We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.
This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).
How did you test this change?
The changes are gated. Will test e2e in RN.
@react-sizebot
react-sizebot
commented
Apr 14, 2026•

edited

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Comparing: 5682442...3902c46
Critical size changes
Includes critical production bundles, as well as any change greater than 2%:
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB
Significant size changes
Includes any change greater than 0.2%:
Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

Generated by 🚫 dangerJS against 3902c46
@rubennorte
rubennorteforce-pushed
the
move-event-dispatching-logic-to-rn
branch
from
da016ec to
3902c46CompareApril 14, 2026 16:29
@javache
javache
commented
Apr 14, 2026

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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
@rubennorte
rubennorte
merged commit 0418c8a
into
react:mainApr 14, 2026

236 checks passed

@rubennorte
rubennorte
deleted the

move-event-dispatching-logic-to-rn

branch
April 14, 2026 17:10
@rubennorte
rubennorte
commented
Apr 14, 2026

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MemberAuthor
This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.
github-actionsBot
pushed a commit
that referenced
this pull request
Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot
mentioned this pull request
Apr 15, 2026
 Closed

@zeyapzeyap
mentioned this pull request
Apr 17, 2026
 Merged

@nextjs-botnextjs-bot
mentioned this pull request
Apr 17, 2026
 Merged

github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit
to vercel/next.js
that referenced
this pull request
Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte
mentioned this pull request
Jun 5, 2026
 Closed

m-kawafuji pushed a commit
to m-kawafuji/next.js
that referenced
this pull request
Aug 8, 2026
@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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, 'i');
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var enabled = true;
function applyDarkMode() {
if (!enabled) return;
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if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
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style.textContent = '
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filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
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/* Restore images, videos, iframes, canvas */
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filter: invert(1) hue-rotate(180deg) !important;
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background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
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console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
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// Apply on load
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// Re-apply on dynamic content
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if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
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observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
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} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
[RN] Move new event dispatching pipeline to RN by rubennorte · Pull Request #36266 · react/react · GitHub
Skip to content
[RN] Move new event dispatching pipeline to RN - #36266
Merged
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Apr 14, 2026
Merged
[RN] Move new event dispatching pipeline to RN#36266
rubennorte merged 1 commit into
react:mainfrom 
rubennorte:move-event-dispatching-logic-to-rn
Conversation
@rubennorte
@rubennorterubennorte
commented
Apr 14, 2026•

edited

Loading

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Member
Summary
We found a bug in the logic in #36253 and we realized it's very inconvenient to iterate on the implementation when it's in this repository, as we're forced to then synchronize it to RN to test changes.
This moves the entire implementation to RN for simplicity and also to simplify some clean ups in the future (like removing top prefixes from native event types).
How did you test this change?
The changes are gated. Will test e2e in RN.
@react-sizebot
react-sizebot
commented
Apr 14, 2026•

edited

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Comparing: 5682442...3902c46
Critical size changes
Includes critical production bundles, as well as any change greater than 2%:
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
oss-stable/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-stable/react-dom/cjs/react-dom-client.production.js=612.91 kB612.91 kB=108.30 kB108.30 kB
oss-experimental/react-dom/cjs/react-dom.production.js=6.84 kB6.84 kB=1.88 kB1.88 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js=678.85 kB678.85 kB=119.27 kB119.27 kB
facebook-www/ReactDOM-prod.classic.js=698.38 kB698.38 kB=122.68 kB122.68 kB
facebook-www/ReactDOM-prod.modern.js=688.69 kB688.69 kB=121.06 kB121.06 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB
Significant size changes
Includes any change greater than 0.2%:
Expand to show
Name+/-BaseCurrent+/- gzipBase gzipCurrent gzip
react-native/implementations/ReactFabric-dev.fb.js=834.38 kB817.78 kB=134.12 kB131.03 kB
react-native/implementations/ReactFabric-dev.js=797.03 kB780.44 kB=128.27 kB125.19 kB
react-native/implementations/ReactFabric-profiling.fb.js=511.87 kB497.48 kB=86.60 kB83.94 kB
react-native/implementations/ReactFabric-profiling.js=481.66 kB467.25 kB=81.42 kB78.73 kB
react-native/implementations/ReactFabric-prod.fb.js=438.39 kB424.02 kB=75.95 kB73.27 kB
react-native/implementations/ReactFabric-prod.js=414.73 kB400.36 kB=71.74 kB69.08 kB

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@javache
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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
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@rubennorte
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This logic deals with Fiber though, which we've typically not exposed directly to RN before? I get that it's easier to iterate, but that seems like an important architectural shift to expose these internals to the RN codebase.
The implementation in RN has changed to not use fibers and traverse via public instances instead, as we do for regular event dispatching.
github-actionsBot
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Apr 14, 2026
@rubennorte
[RN] Move new event dispatching pipeline to RN (#36266)
10bd95b
## Summary
We found a bug in the logic in
#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](0418c8a)
@nextjs-botnextjs-bot
mentioned this pull request
Apr 15, 2026
 Closed

@zeyapzeyap
mentioned this pull request
Apr 17, 2026
 Merged

@nextjs-botnextjs-bot
mentioned this pull request
Apr 17, 2026
 Merged

github-actionsBot
pushed a commit
to code/lib-react
that referenced
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Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
790649c
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
github-actionsBot
pushed a commit
to code/lib-react
that referenced
this pull request
Apr 19, 2026
@pull
[RN] Move new event dispatching pipeline to RN (react#36266)
289c190
## Summary
We found a bug in the logic in
react#36253 and we realized it's very
inconvenient to iterate on the implementation when it's in this
repository, as we're forced to then synchronize it to RN to test
changes.
This moves the entire implementation to RN for simplicity and also to
simplify some clean ups in the future (like removing `top` prefixes from
native event types).
## How did you test this change?
The changes are gated. Will test e2e in RN.
DiffTrain build for [0418c8a](react@0418c8a)
eps1lon pushed a commit
to vercel/next.js
that referenced
this pull request
Apr 20, 2026
@nextjs-bot
Upgrade React fromfef12a01-20260413toda9325b5-20260417(#92945)
4fc3664
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
@rubennorterubennorte
mentioned this pull request
Jun 5, 2026
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m-kawafuji pushed a commit
to m-kawafuji/next.js
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this pull request
Aug 8, 2026
@nextjs-bot@m-kawafuji
Upgrade React fromfef12a01-20260413toda9325b5-20260417(vercel…
f80ad7a
…#92945)
[diff react/react@fef12a01...da9325b5](react/react@fef12a0...da9325b)
<details>
<summary>React upstream changes</summary>
- react/react#35962
- react/react#35961
- react/react#36277
- react/react#36297
- react/react#36292
- react/react#36291
- react/react#36196
- react/react#36246
- react/react#36287
- react/react#36285
- react/react#36274
- react/react#36266
- react/react#36253
</details>
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