I'm facing the same issue. Profiling in instruments it looks like a majority of the memory is taken by anonymous VM, which as I understand is not very easy to control. I'm using Firebase in my extension, and it looks like GoogleDataTransport (a library that firebase uses under the hood) is responsible for most of the memory allocation. Not sure how I'll be able to get under 6 MB.
Topic:
Safari & Web
SubTopic:
General
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