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StrictMode should call sCU twice in DEV #17942

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merged 1 commit into from
Jan 30, 2020
Merged

StrictMode should call sCU twice in DEV #17942

merged 1 commit into from
Jan 30, 2020

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bvaughn
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@bvaughn bvaughn commented Jan 30, 2020 •
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This was an oversight before. Even our docs suggested that sCU should be called twice:
https://reactjs.org/docs/strict-mode.html#detecting-unexpected-side-effects

@facebook-github-bot facebook-github-bot added CLA Signed React Core Team Opened by a member of the React Core Team labels Jan 30, 2020
threepointone
threepointone approved these changes Jan 30, 2020
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What is the difference between assigning and requesting a review? How can you “assign” a PR to someone? Odd, github.

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bvaughn commented Jan 30, 2020

What is the difference between assigning and requesting a review? How can you “assign” a PR to someone? Odd, github.

It's odd, huh? I guess the idea is that you can pick multiple reviewers, then one fo them could self-assign.

I'm trying to use both fields to see if it helps get PRs faster :)

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@bvaughn bvaughn merged commit 6ae2c33 into facebook:master Jan 30, 2020
@bvaughn bvaughn deleted the StrictMode-run-shouldComponentUpdate-twice branch January 30, 2020 21:03
@threepointone threepointone mentioned this pull request Feb 25, 2020
Merged
threepointone pushed a commit to reactjs/react.dev that referenced this pull request Mar 4, 2020
Add shouldComponentUpdate to list of methods double called in Strict …
2d7c6c3 
…Mode

This landed in 16.13 via facebook/react#17942
@threepointone threepointone mentioned this pull request Mar 4, 2020
Merged
threepointone pushed a commit to reactjs/react.dev that referenced this pull request Mar 4, 2020
Add shouldComponentUpdate to list of methods double called in Strict …
60d83be 
…Mode (#2810)

This landed in 16.13 via facebook/react#17942
@yowainwright yowainwright mentioned this pull request Mar 6, 2020
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@newkdr
[Snyk] Upgrade react-dom from 16.8.4 to 16.14.0 (#3)
27015cc 
![snyk-top-banner](https://redirect.github.com/andygongea/OWASP-Benchmark/assets/818805/c518c423-16fe-447e-b67f-ad5a49b5d123)


<h3>Snyk has created this PR to upgrade react-dom from 16.8.4 to
16.14.0.</h3>

:information_source: Keep your dependencies up-to-date. This makes it
easier to fix existing vulnerabilities and to more quickly identify and
fix newly disclosed vulnerabilities when they affect your project.

<hr/>


- The recommended version is **13 versions** ahead of your current
version.

- The recommended version was released on **4 years ago**.



<details>
<summary><b>Release notes</b></summary>
<br/>
  <details>
    <summary>Package name: <b>react-dom</b></summary>
    <ul>
      <li>
<b>16.14.0</b> - <a
href="https://redirect.github.com/facebook/react/releases/tag/v16.14.0">2020-10-14</a></br><h3>React</h3>
<ul>
<li>Add support for the <a
href="https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html"
rel="nofollow">new JSX transform</a>. (<a
href="https://redirect.github.com/lunaruan">@ lunaruan</a> in <a
href="https://redirect.github.com/facebook/react/pull/18299"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/18299/hovercard">#18299</a>)</li>
</ul>
      </li>
      <li>
<b>16.13.1</b> - <a
href="https://redirect.github.com/facebook/react/releases/tag/v16.13.1">2020-03-19</a></br><h3>React
DOM</h3>
<ul>
<li>Fix bug in legacy mode Suspense where effect clean-up functions are
not fired. This only affects users who use Suspense for data fetching in
legacy mode, which is not technically supported. (<a
href="https://redirect.github.com/acdlite">@ acdlite</a> in <a
href="https://redirect.github.com/facebook/react/pull/18238"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/18238/hovercard">#18238</a>)</li>
<li>Revert warning for cross-component updates that happen inside class
render lifecycles (<code>componentWillReceiveProps</code>,
<code>shouldComponentUpdate</code>, and so on). (<a
href="https://redirect.github.com/gaearon">@ gaearon</a> in <a
href="https://redirect.github.com/facebook/react/pull/18330"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/18330/hovercard">#18330</a>)</li>
</ul>
<h2>Artifacts</h2>
<ul>
<li>react: <a href="https://unpkg.com/react@16.13.1/umd/"
rel="nofollow">https://unpkg.com/react@16.13.1/umd/</a></li>
<li>react-art: <a href="https://unpkg.com/react-art@16.13.1/umd/"
rel="nofollow">https://unpkg.com/react-art@16.13.1/umd/</a></li>
<li>react-dom: <a href="https://unpkg.com/react-dom@16.13.1/umd/"
rel="nofollow">https://unpkg.com/react-dom@16.13.1/umd/</a></li>
<li>react-is: <a href="https://unpkg.com/react-is@16.13.1/umd/"
rel="nofollow">https://unpkg.com/react-is@16.13.1/umd/</a></li>
<li>react-test-renderer: <a
href="https://unpkg.com/react-test-renderer@16.13.1/umd/"
rel="nofollow">https://unpkg.com/react-test-renderer@16.13.1/umd/</a></li>
<li>scheduler: <a href="https://unpkg.com/scheduler@0.19.1/umd/"
rel="nofollow">https://unpkg.com/scheduler@0.19.1/umd/</a></li>
</ul>
      </li>
      <li>
<b>16.13.0</b> - <a
href="https://redirect.github.com/facebook/react/releases/tag/v16.13.0">2020-02-26</a></br><h3>React</h3>
<ul>
<li>Warn when a string ref is used in a manner that's not amenable to a
future codemod (<a href="https://redirect.github.com/lunaruan">@
lunaruan</a> in <a
href="https://redirect.github.com/facebook/react/pull/17864"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17864/hovercard">#17864</a>)</li>
<li>Deprecate <code>React.createFactory()</code> (<a
href="https://redirect.github.com/trueadm">@ trueadm</a> in <a
href="https://redirect.github.com/facebook/react/pull/17878"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17878/hovercard">#17878</a>)</li>
</ul>
<h3>React DOM</h3>
<ul>
<li>Warn when changes in <code>style</code> may cause an unexpected
collision (<a href="https://redirect.github.com/sophiebits">@
sophiebits</a> in <a
href="https://redirect.github.com/facebook/react/pull/14181"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/14181/hovercard">#14181</a>, <a
href="https://redirect.github.com/facebook/react/pull/18002"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/18002/hovercard">#18002</a>)</li>
<li>Warn when a function component is updated during another component's
render phase (<a class="user-mention notranslate"
data-hovercard-type="user" data-hovercard-url="/users/acdlite/hovercard"
data-octo-click="hovercard-link-click"
data-octo-dimensions="link_type:self"
href="https://redirect.github.com/acdlite">@ acdlite</a> in <a
href="https://redirect.github.com/facebook/react/pull/17099"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17099/hovercard">#17099</a>)</li>
<li>Deprecate <code>unstable_createPortal</code> (<a
href="https://redirect.github.com/trueadm">@ trueadm</a> in <a
href="https://redirect.github.com/facebook/react/pull/17880"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17880/hovercard">#17880</a>)</li>
<li>Fix <code>onMouseEnter</code> being fired on disabled buttons (<a
href="https://redirect.github.com/AlfredoGJ">@ AlfredoGJ</a> in <a
href="https://redirect.github.com/facebook/react/pull/17675"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17675/hovercard">#17675</a>)</li>
<li>Call <code>shouldComponentUpdate</code> twice when developing in
<code>StrictMode</code> (<a href="https://redirect.github.com/bvaughn">@
bvaughn</a> in <a
href="https://redirect.github.com/facebook/react/pull/17942"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17942/hovercard">#17942</a>)</li>
<li>Add <code>version</code> property to ReactDOM (<a
href="https://redirect.github.com/ealush">@ ealush</a> in <a
href="https://redirect.github.com/facebook/react/pull/15780"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/15780/hovercard">#15780</a>)</li>
<li>Don't call <code>toString()</code> of
<code>dangerouslySetInnerHTML</code> (<a
href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a
href="https://redirect.github.com/facebook/react/pull/17773"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17773/hovercard">#17773</a>)</li>
<li>Show component stacks in more warnings (<a
href="https://redirect.github.com/gaearon">@ gaearon</a> in <a
href="https://redirect.github.com/facebook/react/pull/17922"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17922/hovercard">#17922</a>, <a
href="https://redirect.github.com/facebook/react/pull/17586"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17586/hovercard">#17586</a>)</li>
</ul>
<h3>Concurrent Mode (Experimental)</h3>
<ul>
<li>Warn for problematic usages of <code>ReactDOM.createRoot()</code>
(<a href="https://redirect.github.com/trueadm">@ trueadm</a> in <a
href="https://redirect.github.com/facebook/react/pull/17937"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17937/hovercard">#17937</a>)</li>
<li>Remove <code>ReactDOM.createRoot()</code> callback params and added
warnings on usage (<a href="https://redirect.github.com/bvaughn">@
bvaughn</a> in <a
href="https://redirect.github.com/facebook/react/pull/17916"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17916/hovercard">#17916</a>)</li>
<li>Don't group Idle/Offscreen work with other work (<a
href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a
href="https://redirect.github.com/facebook/react/pull/17456"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17456/hovercard">#17456</a>)</li>
<li>Adjust <code>SuspenseList</code> CPU bound heuristic (<a
href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a
href="https://redirect.github.com/facebook/react/pull/17455"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17455/hovercard">#17455</a>)</li>
<li>Add missing event plugin priorities (<a
href="https://redirect.github.com/trueadm">@ trueadm</a> in <a
href="https://redirect.github.com/facebook/react/pull/17914"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17914/hovercard">#17914</a>)</li>
<li>Fix <code>isPending</code> only being true when transitioning from
inside an input event (<a href="https://redirect.github.com/acdlite">@
acdlite</a> in <a
href="https://redirect.github.com/facebook/react/pull/17382"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17382/hovercard">#17382</a>)</li>
<li>Fix <code>React.memo</code> components dropping updates when
interrupted by a higher priority update (<a class="user-mention
notranslate" data-hovercard-type="user"
data-hovercard-url="/users/acdlite/hovercard"
data-octo-click="hovercard-link-click"
data-octo-dimensions="link_type:self"
href="https://redirect.github.com/acdlite">@ acdlite</a> in <a
href="https://redirect.github.com/facebook/react/pull/18091"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/18091/hovercard">#18091</a>)</li>
<li>Don't warn when suspending at the wrong priority (<a
href="https://redirect.github.com/gaearon">@ gaearon</a> in <a
href="https://redirect.github.com/facebook/react/pull/17971"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17971/hovercard">#17971</a>)</li>
<li>Fix a bug with rebasing updates (<a
href="https://redirect.github.com/acdlite">@ acdlite</a> and <a
href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a
href="https://redirect.github.com/facebook/react/pull/17560"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17560/hovercard">#17560</a>, <a
href="https://redirect.github.com/facebook/react/pull/17510"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17510/hovercard">#17510</a>, <a
href="https://redirect.github.com/facebook/react/pull/17483"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17483/hovercard">#17483</a>, <a
href="https://redirect.github.com/facebook/react/pull/17480"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17480/hovercard">#17480</a>)</li>
</ul>
<h2>Artifacts</h2>
<ul>
<li>react: <a href="https://unpkg.com/react@16.13.0/umd/"
rel="nofollow">https://unpkg.com/react@16.13.0/umd/</a></li>
<li>react-art: <a href="https://unpkg.com/react-art@16.13.0/umd/"
rel="nofollow">https://unpkg.com/react-art@16.13.0/umd/</a></li>
<li>react-dom: <a href="https://unpkg.com/react-dom@16.13.0/umd/"
rel="nofollow">https://unpkg.com/react-dom@16.13.0/umd/</a></li>
<li>react-is: <a href="https://unpkg.com/react-is@16.13.0/umd/"
rel="nofollow">https://unpkg.com/react-is@16.13.0/umd/</a></li>
<li>react-test-renderer: <a
href="https://unpkg.com/react-test-renderer@16.13.0/umd/"
rel="nofollow">https://unpkg.com/react-test-renderer@16.13.0/umd/</a></li>
<li>scheduler: <a href="https://unpkg.com/scheduler@0.19.0/umd/"
rel="nofollow">https://unpkg.com/scheduler@0.19.0/umd/</a></li>
</ul>
      </li>
      <li>
<b>16.12.0</b> - <a
href="https://redirect.github.com/facebook/react/releases/tag/v16.12.0">2019-11-14</a></br><h3>React
DOM</h3>
<ul>
<li>Fix passive effects (<code>useEffect</code>) not being fired in a
multi-root app. (<a href="https://redirect.github.com/acdlite">@
acdlite</a> in <a
href="https://redirect.github.com/facebook/react/pull/17347"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17347/hovercard">#17347</a>)</li>
</ul>
<h3>React Is</h3>
<ul>
<li>Fix <code>lazy</code> and <code>memo</code> types considered
elements instead of components (<a
href="https://redirect.github.com/bvaughn">@ bvaughn</a> in <a
href="https://redirect.github.com/facebook/react/pull/17278"
data-hovercard-type="pull_request"
data-hovercard-url="/facebook/react/pull/17278/hovercard">#17278</a>)</li>
</ul>
<h2>Artifacts</h2>
<p>• react: <a href="https://unpkg.com/react@16.12.0/umd/"
rel="nofollow">https://unpkg.com/react@16.12.0/umd/</a><br>
• react-art: <a href="https://unpkg.com/react-art@16.12.0/umd/"
rel="nofollow">https://unpkg.com/react-art@16.12.0/umd/</a><br>
• react-dom: <a href="https://unpkg.com/react-dom@16.12.0/umd/"
rel="nofollow">https://unpkg.com/react-dom@16.12.0/umd/</a><br>
• react-is: <a href="https://unpkg.com/react-is@16.12.0/umd/"
rel="nofollow">https://unpkg.com/react-is@16.12.0/umd/</a><br>
• react-test-renderer: <a
href="https://unpkg.com/react-test-renderer@16.12.0/umd/"
rel="nofollow">https://unpkg.com/react-test-renderer@16.12.0/umd/</a><br>
• scheduler: <a href="https://unpkg.com/scheduler@0.18.0/umd/"
rel="nofollow">https://unpkg.com/scheduler@0.18.0/umd/</a></p>
      </li>
      <li>
        <b>16.11.0</b> - 2019-10-22
      </li>
      <li>
        <b>16.10.2</b> - 2019-10-03
      </li>
      <li>
        <b>16.10.1</b> - 2019-09-28
      </li>
      <li>
        <b>16.10.0</b> - 2019-09-27
      </li>
      <li>
        <b>16.9.0</b> - 2019-08-08
      </li>
      <li>
        <b>16.9.0-rc.0</b> - 2019-08-05
      </li>
      <li>
        <b>16.9.0-alpha.0</b> - 2019-04-03
      </li>
      <li>
        <b>16.8.6</b> - 2019-03-28
      </li>
      <li>
        <b>16.8.5</b> - 2019-03-22
      </li>
      <li>
        <b>16.8.4</b> - 2019-03-05
      </li>
    </ul>
from <a
href="https://redirect.github.com/facebook/react/releases">react-dom
GitHub release notes</a>
  </details>
</details>

---

> [!IMPORTANT]
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@threepointone threepointone threepointone approved these changes

@trueadm trueadm Awaiting requested review from trueadm

@lunaruan lunaruan Awaiting requested review from lunaruan

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@trueadm trueadm

@lunaruan lunaruan

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@bvaughn @sizebot @threepointone @trueadm @lunaruan @facebook-github-bot