Fix loading .json.gz profiles from inside zip archives#5959
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When clicking a .json.gz entry in a zip file, viewProfileFromZip called
file.async('string'), which decoded the gzip bytes as UTF-8 and
corrupted the stream before unserializeProfileOfArbitraryFormat could
detect the gzip magic and decompress. Switching to 'uint8array' keeps
the content binary so the existing isGzip/decompress path runs. Plain
.json entries still work via the Uint8Array to TextDecoder fallback.
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #5959 +/- ##
==========================================
- Coverage 85.37% 85.33% -0.04%
==========================================
Files 322 322
Lines 32069 32117 +48
Branches 8814 8827 +13
==========================================
+ Hits 27378 27408 +30
- Misses 4260 4278 +18
Partials 431 431 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Apr 28, 2026
Changes: [Nazım Can Altınova] Add Adel to the automatic dependency reviews (#5930) [fatadel] Fix arrow panel appearing behind marker tooltips (#5926) [fatadel] Upgrade Node.js from v22 to v24 (#5923) [Markus Stange] Use createStackTableBySkippingDiscarded in focusSelf. (#5916) [Markus Stange] Propagate isJS to symbolicated funcs (#5907) [Markus Stange] Always render the CPU-usage-aware activity graph when CPU information is available (#5918) [Nazım Can Altınova] Fallback to javascript highlighting in the source view as a backup (#5936) [Nazım Can Altınova] Properly type the return value of _languageExtForPath (#5937) [Nazım Can Altınova] Update typescript eslint dependencies (#5938) [Markus Stange] Modernize more of the transform functions (#5934) [Paul Adenot] Fix extractGeckoLogs for structured Log marker format (bug 2022540) (#5927) [Nazım Can Altınova] Move some profile fetching code into a separate module. (#5939) [Markus Stange] Update the hovered item when panning any viewport canvas (#5903) [Markus Stange] Migrate Home page animation to CSS transitions and remove react-transition-group (#5649) [Nazım Can Altınova] Fix test/lint commands on Windows and fix CI (#5947) [Nazım Can Altınova] Convert profile-logic/js-tracer.tsx to a ts file (#5942) [Markus Stange] Remove panelLayoutGeneration (#5946) [fatadel] Add CounterDisplayConfig to counters in the processed profile format (#5912) [Nazım Can Altınova] Fix eslint-config-prettier silently overriding custom rules (#5955) [fatadel] Dim non-matching nodes in the stack chart when searching (#5935) [Nazım Can Altınova] Fix loading .json.gz profiles from inside zip archives (#5959) [Ryan Hunt] Add a fullscreen button to the bottom box (#5605) [Markus Stange] Speed up _computeCallNodeTableHierarchy by keeping siblings ordered by func (#5964) [Markus Stange] Replace symbolicator-cli with a profiler-edit node tool (#5965) [Nazım Can Altınova] Add "Include idle samples" toggle to the call tree settings (#5968) [Nazım Can Altınova] Add dark mode versions of the fullscreen icons (#5972) [fatadel] Replace 4 counter track components with a single generic TrackCounter (#5944) [fatadel] Use ephemeral port for esbuild's internal dev server (#5974) [carverdamien] Remove category from LongTaskMarkerPayload (#5975) And special thanks to our localizers: de: Ger de: Michael Köhler el: Jim Spentzos en-GB: Ian Neal es-CL: ravmn fr: Théo Chevalier ia: Melo46 it: Francesco Lodolo [:flod] nl: Mark Heijl pt-BR: Marcelo Ghelman ru: Valery Ledovskoy ru: berry sv-SE: Andreas Pettersson tr: Grk zh-CN: Olvcpr423 zh-CN: wxie zh-TW: Pin-guang Chen
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This fixes #5958.
When clicking a .json.gz entry in a zip file,
viewProfileFromZipcalledfile.async('string'), which decoded the gzip bytes as UTF-8 and corrupted the stream beforeunserializeProfileOfArbitraryFormatcould detect the gzip magic and decompress. Switching to'uint8array'keeps the content binary so the existingisGzip/decompresspath runs. Plain .json entries still work via the Uint8Array to TextDecoder fallback.Example profile