[Webkit-unassigned] [Bug 195145] [WK2] It should be possible to follow links with 'download' attributes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195145

--- Comment #9 from David Quesada <david_quesada at apple.com> ---
(In reply to Alex Christensen from comment #8)
> I'm not sure how important it is to maintain compatibility with a relatively
> recent compatibility-breaking change that nobody has complained about.

There isn't a "recent" compatibility-breaking change I'm talking about. You might be thinking of rdar://48459714, but that's different.

The issue here is that if we effectively disable DownloadAttributeInitiatesDownloads for everyone, then that will break 'download' links for clients that don't know that they now have to check the 'shouldPerformDownload' flag and manually use the 'Download' policy for such navigation actions. Other ports will need to add a "shouldPerformDownload" API on their navigation actions and get their clients' navigation delegates to check that. I don't know if this change in behavior is important enough to justify making it the universal default and getting clients to adapt to it.

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