KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/branched/Fedora-34-20210225.n.1/compose/Spins/armhfp/images/Fedora-KDE-34-20210225.n.1.armhfp.raw.xz from compose Fedora-34-20210225.n.1 is 4120607304 bytes, exceeding the maximum size 4000000000. Canonical maximum sizes can be found at https://fedoraproject.org/wiki/Releases/34/Spins and https://fedoraproject.org/wiki/Releases/34/ReleaseBlocking . This check is run by the 'relval' tool, which has its own list of maximum sizes derived from those pages. If the maximum size used for this comparison is wrong, please add a comment and file a bug against relval at https://pagure.io/fedora-qa/relval/issues and it will be corrected. If you believe the canonical maximum size for an image should be changed, please follow the appropriate process before filing a relval bug.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/branched/Fedora-34-20210302.n.1/compose/Spins/armhfp/images/Fedora-KDE-34-20210302.n.1.armhfp.raw.xz from compose Fedora-34-20210302.n.1 is 4126918980 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/branched/Fedora-34-20210306.n.0/compose/Spins/armhfp/images/Fedora-KDE-34-20210306.n.0.armhfp.raw.xz from compose Fedora-34-20210306.n.0 is 4115512832 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/34/Fedora-34-20210310.0/compose/Spins/armhfp/images/Fedora-KDE-34_Beta-1.1.armhfp.raw.xz from compose Fedora-34-20210310.0 is 4091067200 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/branched/Fedora-34-20210313.n.0/compose/Spins/armhfp/images/Fedora-KDE-34-20210313.n.0.armhfp.raw.xz from compose Fedora-34-20210313.n.0 is 4092746276 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/34/Fedora-34-20210313.0/compose/Spins/armhfp/images/Fedora-KDE-34_Beta-1.2.armhfp.raw.xz from compose Fedora-34-20210313.0 is 4164967972 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/branched/Fedora-34-20210316.n.0/compose/Spins/armhfp/images/Fedora-KDE-34-20210316.n.0.armhfp.raw.xz from compose Fedora-34-20210316.n.0 is 4088955224 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/34/Fedora-34-20210317.0/compose/Spins/armhfp/images/Fedora-KDE-34_Beta-1.3.armhfp.raw.xz from compose Fedora-34-20210317.0 is 4095941920 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/branched/Fedora-34-20210326.n.0/compose/Spins/armhfp/images/Fedora-KDE-34-20210326.n.0.armhfp.raw.xz from compose Fedora-34-20210326.n.0 is 4109927564 bytes, exceeding the maximum size 4000000000.
KDE raw-xz armhfp image https://kojipkgs.fedoraproject.org/compose/branched/Fedora-34-20210329.n.0/compose/Spins/armhfp/images/Fedora-KDE-34-20210329.n.0.armhfp.raw.xz from compose Fedora-34-20210329.n.0 is 4112275812 bytes, exceeding the maximum size 4000000000.
Fedora 34 was released, we have no way of changing image sizes post release. Do make sure you image(s) are the appropriate size in upcoming releases.