313674 2026-04-29 12:39:05 -0700 [iOS] document.exitFullscreen() rejects with `Not in fullscreen` when a video is fullscreen 2026-10-15 09:38:15 -0700 1 1 1 Unclassified WebKit Media WebKit Nightly Build iPhone / iPad iOS 27 NEW InRadar P2 Normal --- 206854 1 jean.haberer webkit-unassigned fred.wang webkit-bug-importer oldest_to_newest 2205939 0 jean.haberer 2026-04-29 12:39:05 -0700 document.exitFullscreen() rejects with `Not in fullscreen` when a video is fullscreen 2205940 1 jean.haberer 2026-04-29 12:39:07 -0700 <rdar://problem/175680486> 2205943 2 jean.haberer 2026-04-29 12:42:17 -0700 Pull request: https://github.com/WebKit/WebKit/pull/63913 2264497 3 481845 fred.wang 2026-10-15 09:16:59 -0700 Created attachment 481845 testcase 2264499 4 481846 fred.wang 2026-10-15 09:20:24 -0700 Created attachment 481846 testcase 2264512 5 fred.wang 2026-10-15 09:38:15 -0700 The attached testcase seems to work well on Desktop (Linux and macos). On iphone 27.0 simulator and ipad device 17.7.11 I can reproduce the issue, the video does not exist fullscreen. The testcase seems kinda broken with ipad 27.0 simulator, not sure why. Anyway from the desc of https://github.com/WebKit/WebKit/pull/63913 it seems an iOS-specific bug so marking it as such. 481845 2026-10-15 09:16:59 -0700 2026-10-15 09:20:24 -0700 testcase 313674.html text/html 561 fred.wang PCFET0NUWVBFIGh0bWw+CjxtZXRhIGNoYXJzZXQ9InV0Zi04Ii8+CjxzY3JpcHQ+CiAgZnVuY3Rp b24gZXhpdEZ1bGxzY3JlZW5BZnRlclNvbWVEZWxheSgpIHsKICAgIHNldFRpbWVvdXQoXyA9PiB7 CiAgICAgIHRyeSB7CiAgICAgICAgZG9jdW1lbnQuZXhpdEZ1bGxzY3JlZW4oKTsKICAgICAgfSBj YXRjaChlKSB7CiAgICAgICAgbG9nLnRleHRDb250ZW50ICs9IGAke2UubWVzc2FnZX1cbntlLnN0 YWNrfWA7CiAgICAgIH0KICAgIH0sIDUwMDApOwogIH0KPC9zY3JpcHQ+CjxidXR0b24gb25jbGlj az0idmlkZW8ucmVxdWVzdEZ1bGxzY3JlZW4oKSI+RnVsbHNjcmVlbiB2aWRlbzwvYnV0dG9uPgo8 cHJlIGlkPSJsb2ciPjwvcHJlPgo8dmlkZW8gaWQ9InZpZGVvIiBzcmM9Imh0dHBzOi8vYXJjaGl2 ZS5vcmcvZG93bmxvYWQvQmlnQnVja0J1bm55XzEyNC9Db250ZW50L2JpZ19idWNrX2J1bm55Xzcy MHBfc3Vycm91bmQubXA0IiBhbGxvdz0iZnVsbHNjcmVlbiIgb25wbGF5PSJleGl0RnVsbHNjcmVl bkFmdGVyU29tZURlbGF5KCkiIGNvbnRyb2xzPSJjb250cm9scyI+PC92aWRlbz4K 481846 2026-10-15 09:20:24 -0700 2026-10-15 09:20:24 -0700 testcase 313674.html text/html 766 fred.wang PCFET0NUWVBFIGh0bWw+CjxtZXRhIGNoYXJzZXQ9InV0Zi04Ii8+CjxzY3JpcHQ+CiAgZnVuY3Rp b24gZXhpdEZ1bGxzY3JlZW5BZnRlclNvbWVEZWxheSgpIHsKICAgIHNldFRpbWVvdXQoYXN5bmMg XyA9PiB7CiAgICAgIHRyeSB7CiAgICAgICAgYXdhaXQgZG9jdW1lbnQuZXhpdEZ1bGxzY3JlZW4o KTsKCWxvZy50ZXh0Q29udGVudCA9ICJObyBleGNlcHRpb25zIHRocm93bi4iOwogICAgICB9IGNh dGNoKGUpIHsKICAgICAgICBsb2cudGV4dENvbnRlbnQgPSBgJHtlLm1lc3NhZ2V9XG4ke2Uuc3Rh Y2t9YDsKICAgICAgfQogICAgfSwgMzAwMCk7CiAgfQo8L3NjcmlwdD4KPHA+UHV0IHRoaXMgdmlk ZW8gaW4gZnVsbHNjcmVlbiB1c2luZyBidXR0b24gb3IgY29udHJvbHMsIHBsYXkgaXQgYW5kIHdh aXQgMyBzZWNvbmRzLiBJdCBzaG91bGQgc3VjY2Vzc2Z1bGx5IGV4aXQgZnVsbHNjcmVlbiB3aXRo b3V0IGV4Y2VwdGlvbnMuPC9wPgo8YnV0dG9uIG9uY2xpY2s9InZpZGVvLnJlcXVlc3RGdWxsc2Ny ZWVuKCkiPkZ1bGxzY3JlZW4gdmlkZW88L2J1dHRvbj4KPHByZSBpZD0ibG9nIj48L3ByZT4KPHZp ZGVvIGlkPSJ2aWRlbyIgc3JjPSJodHRwczovL2FyY2hpdmUub3JnL2Rvd25sb2FkL0JpZ0J1Y2tC dW5ueV8xMjQvQ29udGVudC9iaWdfYnVja19idW5ueV83MjBwX3N1cnJvdW5kLm1wNCIgYWxsb3c9 ImZ1bGxzY3JlZW4iIG9ucGxheT0iZXhpdEZ1bGxzY3JlZW5BZnRlclNvbWVEZWxheSgpIiBjb250 cm9scz0iY29udHJvbHMiPjwvdmlkZW8+Cg==