Add unstable_fastRefreshComplete CDP event (#56273)#56273
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Add unstable_fastRefreshComplete CDP event (#56273)#56273huntie wants to merge 1 commit intofacebook:mainfrom
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Summary: Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings Differential Revision: D98493216
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Summary: Pull Request resolved: facebook#56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103
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Apr 14, 2026
Summary: Pull Request resolved: facebook#56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103
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Summary: Pull Request resolved: facebook#56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103
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Apr 14, 2026
Summary: Pull Request resolved: facebook#56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103
huntie
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Apr 16, 2026
Summary: Pull Request resolved: facebook#56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103
huntie
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Apr 16, 2026
Summary: Pull Request resolved: facebook#56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103
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Apr 16, 2026
* Update Metro to 0.83.6 * Add unstable_fastRefreshComplete CDP event (#56273) Summary: Pull Request resolved: #56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103
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This pull request was successfully merged by @huntie in 5d09e43 When will my fix make it into a release? | How to file a pick request? |
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May 1, 2026
…mplete CDP event (#56639) * Add performance marker for Fast Refresh update (#56176) Summary: Pull Request resolved: #56176 NOTE: Resubmission of D84624705. Adds a prominent vertical "Fast Refresh ⚛︎" marker entry in the performance timeline when a Fast Refresh update is complete. Changelog: [Internal] Reviewed By: GijsWeterings Differential Revision: D97486551 fbshipit-source-id: 4c70b674370bab06f02e8d356bbd2979c9686a44 * Add unstable_fastRefreshComplete CDP event (#56273) Summary: Pull Request resolved: #56273 Adds a new, experimental `ReactNativeApplication.unstable_fastRefreshComplete` CDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes. **Notes** - As with D97486551, we reuse the `changeId` block in `HMRClient.js`, ensuring duplicate updates for the same change are not reported. Changelog: [Internal] Reviewed By: GijsWeterings, hoxyq Differential Revision: D98493216 fbshipit-source-id: b0b81a210fb84873e9358aa5484038062f110103 * Bump Metro to ^0.84.3 Metro 0.84.3 adds `changeId` to HMR `update-done` messages, which is required by the `unstable_fastRefreshComplete` CDP event and the Fast Refresh performance marker to deduplicate events across multiple updates for the same file change. --------- Co-authored-by: Alex Hunt <huntie@meta.com>
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Summary:
Adds a new, experimental
ReactNativeApplication.unstable_fastRefreshCompleteCDP event, emitted to subscribed active CDP sessions when a Fast Refresh update completes.Notes
changeIdblock inHMRClient.js, ensuring duplicate updates for the same change are not reported.Changelog: [Internal]
Reviewed By: GijsWeterings
Differential Revision: D98493216