Transaction should be inactive during structured clone, as per: https://w3c.github.io/IndexedDB/#clone Gecko and Blink match the specification.
Created attachment 433082 [details] Patch
Comment on attachment 433082 [details] Patch r=me
Committed r279686 (239491@main): <https://commits.webkit.org/239491@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 433082 [details].
<rdar://problem/80295972>