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fix: pin Dash to avoid renderer regression - #185

Merged
olalie merged 1 commit into
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fix/dash-renderer-regression
Sep 7, 2026
Merged

olalie merged 1 commit into
mainfrom
fix/dash-renderer-regression

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@olalie

@olalie olalie commented Sep 7, 2026

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Summary

  • Pin Dash to 4.1.0 to avoid the renderer performance regression introduced in Dash 4.2.0.
  • Thank @sersora0986 for reporting the issue and testing diagnostic builds.

Details

Issue #183 was reproduced with Dash 4.2.0 and 4.4.1, where the browser renderer can saturate one CPU core and become unresponsive.

A diagnostic build with Dash 4.0.0 did not reproduce the problem. Upstream source changes place the relevant behavior change between Dash 4.1.0 and 4.2.0.

Dash 4.1.0 is pinned until an upstream release containing the renderer fix is available and verified.

Testing

  • pytest — 814 passed, 6 skipped
  • ruff check .
  • Manual Windows test with Dash 4.1.0

@olalie
olalie merged commit d3141f7 into main Sep 7, 2026
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@olalie
olalie deleted the fix/dash-renderer-regression branch September 7, 2026 20:22
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