715/pictogram caching improvements#744

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klues merged 85 commits intomasterfrom

715/pictogram-caching-improvements

Feb 26, 2026

Commits on Jan 27, 2026

#715 moved element image to separate component in order to unify crossorigin attribute handling everywhere - needed to correctly fetch images and determine if they can be screenshotted for thumbnai…
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#715 updated imageUtil.getScreenshot() to html-to-image, replaced html2canvas - better handling of images in screenshot generation
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#715 updated methods when to cache images in serviceWorker - also look for extension, don't rely on request.destination, because html2canvas / html-to-image don't make image-destination requests
klues
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#715 updated caching logic - using strategy.handle() for pre-cache requests to ensure that cache keys are matching later, using fixed pre-defined strategies, KNOWN_CORS_IMAGE_APIS to decide if a re…
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#715 formatted some lines
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#715 improved caching logic for images: track retries per image, move failed urls to back of current list and don't try again immediately, limit maximum tries, debounce saving current list to local…
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#715 added way to force SW use via "serviceworker" tag on PR in automatic build workflow
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Commits on Jan 28, 2026

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Commits on Feb 16, 2026

#715 tried to fix possible errors on older iOS/Firefox, added try/catch around waitUntil() and remove online check which isn't really needed
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Commits on Feb 18, 2026

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Commits on Feb 20, 2026