For persistent Website data stores we create a sandbox extension to the container temporary directory for the WebContent process. This is also needed for non persistent Website data stores, since other frameworks may depend on access to this directory. For example, image decoding depends on having write access to this location.
Pull request: https://github.com/WebKit/WebKit/pull/2582
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Committed 252676@main (ada763c496ca): <https://commits.webkit.org/252676@main> Reviewed commits have been landed. Closing PR #2582 and removing active labels.