169420 2017-03-09 10:10:52 -0800 XMLHttpRequest: request body dropped during redirects 2026-04-27 06:40:15 -0700 1 1 1 Unclassified WebKit DOM Safari Technology Preview Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 annevk annevk achristensen ahmad.saleem792 ap beidson bfulgham cdumez mike rniwa w0rse.t webkit-bug-importer youennf oldest_to_newest 1285373 0 annevk 2017-03-09 10:10:52 -0800 See https://github.com/w3c/web-platform-tests/pull/5070 (XMLHttpRequest/send-redirect-to-cors.htm in web-platform-tests) for tests. 1287211 1 ap 2017-03-13 09:51:55 -0700 This may need some vetting. I believe that WebKit behavior for each specific HTTP redirect response code has been looked at in the past, and is intentional. 1382113 2 w0rse.t 2017-12-15 03:00:46 -0800 Interestingly, Fetch API call doesn't just drop request body, but sets it to "{}" after redirect 1890242 3 ahmad.saleem792 2022-08-10 03:28:35 -0700 Safari Technical Preview 150 still fail few tests: https://wpt.fyi/results/xhr/send-redirect-to-cors.htm?label=master&label=experimental&aligned&view=subtest&q=send-redirect-to-cors cdumez@apple.com - you fixed quite a lot XHR related bugs recently (updated TP not released yet)? Is this fixed in those? I couldn't find any commit mentioning this test, which was recently committed. Thanks! 1890342 4 webkit-bug-importer 2022-08-10 10:53:04 -0700 <rdar://problem/98459882> 2202713 5 annevk 2026-04-21 06:23:09 -0700 *** Bug 312580 has been marked as a duplicate of this bug. *** 2202714 6 annevk 2026-04-21 06:23:36 -0700 Pull request: https://github.com/WebKit/WebKit/pull/62982 2204905 7 ews-feeder 2026-04-27 06:40:10 -0700 Committed 312092@main (0ae02b1bfe4a): <https://commits.webkit.org/312092@main> Reviewed commits have been landed. Closing PR #62982 and removing active labels.