Deploy April 2, 2026#5929
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This turns it into a Uint8Array of integer percentages, which requires less memory bandwidth when rendering the activity graph. We now always have a fallback threadCPUPercent array, even if the original profile doesn't contain any threadCPUDelta information. The synthesized values are set to 100%. We also have a trailing extra value in order to simplify the rendering code for the last sample.
…5898) This turns it into a Uint8Array of integer percentages, which requires less memory bandwidth when rendering the activity graph. We now always have a fallback threadCPUPercent array, even if the original profile doesn't contain any threadCPUDelta information. The synthesized values are set to 100%. We also have a trailing extra value in order to simplify the rendering code for the last sample. There's one behavior change related to the one-past-the-end value: In the past, we said "after the last sample, continue with the same CPU percentage as just before the last sample". Now we say "after the last sample, the CPU percentage is zero." The profile from the `'matches the 2d canvas draw snapshot with only one CPU usage value'` test demonstrates this: [Main branch](https://main--perf-html.netlify.app/public/zayx2xpyxyz8cd57nt6d6c9wxxxpwwq2y9pafjr/calltree/?globalTrackOrder=0&range=100u1900&thread=0&v=15) | [ Deploy preview](https://deploy-preview-5898--perf-html.netlify.app/public/zayx2xpyxyz8cd57nt6d6c9wxxxpwwq2y9pafjr/calltree/?globalTrackOrder=0&range=100u1900&thread=0&v=15)
Co-authored-by: chutten <chutten@mozilla.com> (en-CA)
Co-authored-by: wxie <xiewensheng@hotmail.com> (zh-CN)
Updated locales: en-CA, zh-CN.
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Changes:
[Ojus Chugh] Pass profile upgrade info to stateFromLocation in compare view (#5890)
[Markus Stange] Rename threadCPURatio to threadCPUPercent and make it a Uint8Array (#5898)
[Ojus Chugh] Fix dev server rejecting non-localhost hosts when using FX_PROFILER_HOST (#5889)
[Markus Stange] Bump iongraph-web dependency (#5921)
[Markus Stange] 🔃 Sync: l10n -> main (March 31, 2026) (#5925)
[fatadel] Fix broken link in the dev tools message (#5924)
[Nazım Can Altınova] Update typescript 5.9.3 → 6.0.2 (major) (#5920)
[Nazım Can Altınova] Bump iongraph-web to 0.2.1 (#5928)
And special thanks to our localizers:
en-CA: chutten
zh-CN: wxie