I tested this following the instructions in test case 1309 and did not hear the screen reader read the ubiquity window after choosing Try Ubuntu. The screen reader was working though and happily read other windows.
** Changed in: ubiquity (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to at-spi2-core in Ubuntu. https://bugs.launchpad.net/bugs/1923052 Title: screen reader does not read ubiquity window Status in at-spi2-core package in Ubuntu: Incomplete Status in orca package in Ubuntu: Incomplete Status in ubiquity package in Ubuntu: Confirmed Bug description: Steps to reproduce: 1. Run Ubuntu MATE 21.04 installation media 2. Try to follow http://iso.qa.ubuntu.com/qatracker/testcases/1309/info testcase by pressing <Alt>+<Super>+<S> to activate screenreader with shown Ubiquity window, press <Tab> to select some button Expected result: * screen reader reads ubiquity window Actual result: * screen reader does not read ubiquity window Note: screen reader actually works, it reads other windows - for example the terminal opened by <Ctrl>+<Alt>+<T>. ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: ubiquity 21.04.14 ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7 Uname: Linux 5.11.0-13-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu61 Architecture: amd64 CasperMD5CheckResult: pass CasperVersion: 1.461 Date: Thu Apr 8 13:01:30 2021 InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu-mate.seed maybe-ubiquity quiet splash --- LiveMediaBuild: Ubuntu-MATE 21.04 "Hirsute Hippo" - Beta amd64 (20210407.1) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=C.UTF-8 SourcePackage: ubiquity UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/at-spi2-core/+bug/1923052/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp