Ubuntu MATE ISO since 20210824 has unexpected OpenBox session in login screen

[Norbert]

Ubuntu MATE ISO 20210824 has unexpected OpenBox session in login screen

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: ubuntu-mate-default-settings 21.04.8
ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
Uname: Linux 5.13.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu68
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: MATE
Date: Tue Aug 24 22:09:02 2021
InstallationDate: Installed on 2021-08-24 (0 days ago)
InstallationMedia: Ubuntu-MATE 21.10 "Impish Indri" - Alpha amd64 (20210824)
PackageArchitecture: all
SourcePackage: ubuntu-mate-settings
UpgradeStatus: No upgrade log present (probably fresh install)

[Norbert (nrbrtx)]

$ aptitude why openbox
i ubuntu-mate-desktop Recommends arctica-greeter-guest-session
i A arctica-greeter-guest-session Recommends openbox

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1940997

[Martin Wimpress  (flexiondotorg)]

This is fixed in arctica-greeter 0.99.1.5-2nmu1 which is still migrating out of the proposed pocket.

  * https://launchpad.net/ubuntu/+source/arctica-greeter/0.99.1.5-2nmu1