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fix(imaging): Don't cache IgnoreImageCache loads (backport #25100) (backport #25911) - #25912
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agneszitte merged 1 commit intoNov 2, 2026
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`IgnoreImageCache` skipped the lookup in the static `_bitmapImageCache` but still added its load task to it, so the decoded image was retained by the cache exactly as if the option were not set. Gate the add (and the cancellation-removal registration) on the option too, so the image lives only as long as the `BitmapImage` that produced it and never replaces an entry other consumers already share. Fixes #25098 Backport note: on 6.x the code is in BitmapImage.skia.cs and the test goes under Tests/Windows_UI_Xaml_Media_Imaging. The changed lines are the same as on master. (cherry picked from commit 7c1c364) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> (cherry picked from commit f6d489c)
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GitHub Issue: Related to #25098
PR Type:
🐞 Bugfix
What changed? 🚀
Manual backport of #25100 to
servicing/6.8, for 6.7 SR3 (part of the fixes for the WebAssembly crashes while scrolling).BitmapImagewithCreateOptions="IgnoreImageCache"still went into the static image cache, so its decoded image stayed in memory. An app that shows many large images this way can run out of memory on WebAssembly, and the app terminates.IgnoreImageCacheare no longer kept in the cache, and they never replace a cache entry that other images share.BitmapImage.skia.cs, and the test goes underTests/Windows_UI_Xaml_Media_Imaging. The changed lines are the same as on master.PR Checklist ✅
Screenshots Compare Test Runresults.Local validation (Skia Desktop, Windows)
Runtime tests on this branch, filtered to
Tests.Windows_UI_Xaml_Media_ImagingandGiven_Image: 52 of 54 passed, including the newGiven_BitmapImage.When_IgnoreImageCache_Then_Not_Added_To_Cache.Given_WriteableBitmap.When_WriteableBitmap_Assigned_With_Data_Presentfailed on its pixel check. It doesn't useBitmapImage.Given_RenderTargetBitmap.When_Render_Border_GetPixelsAsyncwas inconclusive: it needs 100% display scaling.🤖 Generated with Claude Code
This is an automatic backport of pull request #25911 done by [Mergify](https://mergify.com).