Change some remaining instances of master -> main (shubham9411 in #21982).
Scheduling profiler
What is React working on?
React’s previous Profiler primarily reports how fast (or slow) components are when rendering. It didn’t provide an overview of what React is doing (the actual cooperative scheduling bits). The new profiler does. It shows when components schedule state updates and when React works on them. It also shows how React categorizes and prioritizing what it works on.
Here’s a profile for a simple app that uses only the legacy (synchronous) ReactDOM.render API. The profiler shows that all of the work scheduled and rendered by this app is done at synchronous priority:
Here’s a more interesting profile for an app that’s rendered at default priority using the new createRoot API, then updates synchronously in response to an “input” event to manage a "controlled component":
Here’s part of a profile showing an idle app (no JavaScript running). In this case, React does some pre-rendering work for components that are “offscreen” (not currently displayed).
Note that “offscreen” refers to a new API and set of features that we haven’t talked about much yet except for some passing references. We’ll talk more about it in future posts.
This version was pushed to npm by lunaruan, a new releaser for react-devtools since your current version.
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dependabot[bot]
commented
3 years ago
Bumps react-devtools from 4.13.2 to 4.16.0.
Changelog
Sourced from react-devtools's changelog.
... (truncated)
Commits
Maintainer changes
This version was pushed to npm by lunaruan, a new releaser for react-devtools since your current version.
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@dependabot rebase.Dependabot commands and options
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