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Picture cleanup (we think) causes jank on animating web apps #170889

@kevmoo

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@kevmoo

Deployed app: https://bouncing--yegor-widgets-r0gt4deu.web.app/
Flutter version: fe6c969
App code: https://github.com/kevmoo/holdings/tree/main/graf_flutter

Image

The invoking JS code

 _78: f => finalizeWrapper(f, function(x0) { return dartInstance.exports._78(f,arguments.length,x0) }),

Update: with --profile

Stack trace
closure wrapper at org-dartlang-sdk:///lib/_skwasm_impl/skwasm_impl/picture.dart:11:46 trampoline	@	main.dart.wasm:0x265d50
SkwasmFinalizationRegistry. closure at org-dartlang-sdk:///lib/_skwasm_impl/skwasm_impl/memory.dart:30:10	@	main.dart.wasm:0x15492e
closure wrapper at org-dartlang-sdk:///lib/_skwasm_impl/skwasm_impl/memory.dart:30:10 trampoline	@	main.dart.wasm:0x154b0a
_78	@	main.dart.wasm:0x154a7c
js-to-wasm:nin:n	@	main.dart.wasm:0x164d12
(anonymous)	@	main.dart.mjs:115:44

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    P2Important issues not at the top of the work listc: performanceRelates to speed or footprint issues (see "perf:" labels)engineflutter/engine related. See also e: labels.p: firebase_performanceFirebase Performance pluginperf: speedPerformance issues related to (mostly rendering) speedteam-webOwned by Web platform teamtriaged-webTriaged by Web platform team

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