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URL: http://github.com/plotly/dash/pull/3682

com/assets/global-b40ec823a1a6a1af.css" /> Fix dcc.Patch() rerunning initial callbacks for all matching elements by Aaron-Wrote-This · Pull Request #3682 · plotly/dash · GitHub
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Fix dcc.Patch() rerunning initial callbacks for all matching elements#3682

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Aaron-Wrote-This wants to merge 3 commits intoplotly:devfrom
Aaron-Wrote-This:bugfix/patches_reinit_callbacks
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Fix dcc.Patch() rerunning initial callbacks for all matching elements#3682
Aaron-Wrote-This wants to merge 3 commits intoplotly:devfrom
Aaron-Wrote-This:bugfix/patches_reinit_callbacks

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@Aaron-Wrote-This
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@Aaron-Wrote-This Aaron-Wrote-This commented Mar 23, 2026

Fixes where initial callbacks are rerun on all elements when patching in a new element using dcc.Patch()

Issue report here: #3681

Contributor Checklist

  • I have broken down my PR scope into the following TODO tasks
    • Fix callbacks rerunning during dcc.Patch
    • Add test to show it is working
  • I have run the tests locally and they passed. (refer to testing section in contributing)
  • I have added tests, or extended existing tests, to cover any new features or bugs fixed in this PR

optionals

  • I have added entry in the CHANGELOG.md
  • If this PR needs a follow-up in dash docs, community thread, I have mentioned the relevant URLS as follows
    • this GitHub #PR number updates the dash docs
    • here is the show and tell thread in Plotly Dash community

@Aaron-Wrote-This Aaron-Wrote-This mentioned this pull request Mar 23, 2026
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@Aaron-Wrote-This Aaron-Wrote-This force-pushed the bugfix/patches_reinit_callbacks branch 5 times, most recently from 7396195 to 23948d4 Compare March 23, 2026 15:01
@Aaron-Wrote-This Aaron-Wrote-This force-pushed the bugfix/patches_reinit_callbacks branch from 23948d4 to a9136db Compare March 26, 2026 02:41
@Aaron-Wrote-This Aaron-Wrote-This force-pushed the bugfix/patches_reinit_callbacks branch from a9136db to ecdc680 Compare March 27, 2026 02:03
@camdecoster
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camdecoster commented Apr 15, 2026

@Aaron-Wrote-This the linting tests are failing in CircleCI. Could you take a look and address the issues? You can likely fix this with npm run format.

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@T4rk1n T4rk1n Awaiting requested review from T4rk1n T4rk1n is a code owner

@ndrezn ndrezn Awaiting requested review from ndrezn ndrezn is a code owner

@camdecoster camdecoster Awaiting requested review from camdecoster camdecoster is a code owner

@KoolADE85 KoolADE85 Awaiting requested review from KoolADE85 KoolADE85 is a code owner

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