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camillobruni
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Jan 6, 2026
camillobruni
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- Completely asyncify the preload logic
- Move all file loading and caching to BrowserFileLoader
- BrowserFileLoader._blobDataCache now holds temporary promises while the data is still loaded
- BrowserFileLoader._loadBlob now does a retry with timeout in-place without the need for a separate global retry
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danleh
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Jan 13, 2026
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danleh
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Generally thanks a lot for working on this "evolved" part of the driver, certainly ripe for a simplification.
Just a couple questions before landing.
kmiller68
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Jan 17, 2026
A/B testing indicates this change caused a 2% score change in Safari. This seems surprising since this was intended to be a purely harness change. Reverting for now to confirm and to investigate the cause. This also reverts "Add resource loading bar (WebKit#246)" and "Improve Benchmark constructor and instance variables (WebKit#255)" as they blocked a clean revert. For posterity, this is tracked internally as rdar://problem/168103740
kmiller68
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Jan 17, 2026
Replace prefetch logic (#251) is a 2% regression
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