> Firefox: Negative [1]
> Safari: Negative [2]
However, I fully expect Chrome to ship it in stable sometime soon, like they do with dozens of other APIs.
There are now four different half-baked storage/file api proposals, at least one of them is already in stable Chrome... it's a mess.
[1] https://github.com/mozilla/standards-positions/issues/481
[2] https://lists.webkit.org/pipermail/webkit-dev/2021-February/...