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CPU Profiler is broken when "Advanced Developer Mode" is enabled #9526

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#9528
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CPU Profiler is broken when "Advanced Developer Mode" is enabled#9526
#9528
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P1high priority issues at the top of the work list, actively being worked on.screen: cpu profilerIssues related to the CPU Profiler screen
@elliette

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@elliette
elliette
opened on Nov 20, 2025

The CPU Profiler is currently broken on Flutter stable.

When loading a CPU profile, I'm seeing an infinite spinner and the following errors in the chrome console:

Wasm:

Image

dart2js:

Image

Interestingly, when I checkout the v25.1.1 tag and run DevTools in debug mode with DDC, I don't see those errors and the CPU profile loads.

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    P1high priority issues at the top of the work list, actively being worked on.screen: cpu profilerIssues related to the CPU Profiler screen

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