Question: What are the statuses of vendor prefixed properties?

[kt3k]

The spec includes a few vendor prefixed properties and functions (webkitRelativePath, webkitdirectory, webkitEntries, and webkitGetAsEntry). Are those intended to be standardized as is?

[inexorabletash]

Per https://wpt.fyi/results/entries-api/idlharness.window.html?label=experimental&label=master&aligned

Chromium (Chrome, Edge), Gecko (Firefox) and WebKit (Safari) all have:

• File interface: attribute webkitRelativePath
• HTMLInputElement interface: attribute webkitdirectory
• HTMLInputElement interface: attribute webkitEntries
• DataTransferItem interface: operation webkitGetAsEntry()

(FYI, the failures are because Chromium ran into compat issues trying to rename Entry to FileSystemEntry etc and pushing to align has been very low priority for a long time.)

This document specifies a "de facto standard", i.e. it describes the reality of things. So by that metric, yes they are standardized. Does everyone involved wish this whole API didn't exist and was replaced by something with better performance and ergonomics? Also yes.