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    Bug 
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    Resolution: Fixed
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    P1: Critical 
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    5.15.1
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        7660c30e08975011c7bd47bcb1796139b9d77196
When creating a QQmlComponent from a file and then deleting it and clearing the cache afterwards, it keeps the loaded cache file in memory so it ends up using a lot of memory due to mapped files. This can be observed using the VMMap too and ensuring Options->Show Free and Unusable Regions is turned on.