References: * [https://github.com/simplepie/simplepie/releases/tag/1.9.0 SimplePie 1.9.0 release notes] * [https://github.com/simplepie/simplepie/compare/1.8.1...1.9.0 Full list of changes in SimplePie 1.9.0] Follow-up to [59141], [60490]. Props swissspidy, TobiasBg, SergeyBiryukov. Fixes #63961. Built from https://develop.svn.wordpress.org/trunk@60771 git-svn-id: http://core.svn.wordpress.org/trunk@60107 1a063a9b-81f0-0310-95a4-ce76da25c4cd